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750 lines
31 KiB
C#
750 lines
31 KiB
C#
// ==++==
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// ==--==
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namespace System
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{
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using System;
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using System.Reflection;
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using System.Runtime;
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using System.Runtime.Serialization;
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using System.Diagnostics.Contracts;
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using System.Reflection.Emit;
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[Serializable]
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[System.Runtime.InteropServices.ComVisible(true)]
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public abstract class MulticastDelegate : Delegate
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{
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// This is set under 3 circumstances
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// 1. Multicast delegate
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// 2. Secure/Wrapper delegate
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// 3. Inner delegate of secure delegate where the secure delegate security context is a collectible method
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[System.Security.SecurityCritical]
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private Object _invocationList;
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[System.Security.SecurityCritical]
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private IntPtr _invocationCount;
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// This constructor is called from the class generated by the
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// compiler generated code (This must match the constructor
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// in Delegate
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protected MulticastDelegate(Object target, String method) : base(target, method)
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{
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}
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// This constructor is called from a class to generate a
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// delegate based upon a static method name and the Type object
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// for the class defining the method.
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protected MulticastDelegate(Type target, String method) : base(target, method)
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{
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}
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[System.Security.SecuritySafeCritical]
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internal bool IsUnmanagedFunctionPtr()
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{
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return (_invocationCount == (IntPtr)(-1));
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}
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[System.Security.SecuritySafeCritical]
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internal bool InvocationListLogicallyNull()
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{
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return (_invocationList == null) || (_invocationList is LoaderAllocator) || (_invocationList is DynamicResolver);
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}
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[System.Security.SecurityCritical]
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public override void GetObjectData(SerializationInfo info, StreamingContext context)
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{
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int targetIndex = 0;
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Object[] invocationList = _invocationList as Object[];
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if (invocationList == null)
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{
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MethodInfo method = Method;
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// A MethodInfo object can be a RuntimeMethodInfo, a RefEmit method (MethodBuilder, etc), or a DynamicMethod
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// One can only create delegates on RuntimeMethodInfo and DynamicMethod.
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// If it is not a RuntimeMethodInfo (must be a DynamicMethod) or if it is an unmanaged function pointer, throw
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if ( !(method is RuntimeMethodInfo) || IsUnmanagedFunctionPtr() )
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throw new SerializationException(Environment.GetResourceString("Serialization_InvalidDelegateType"));
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// We can't deal with secure delegates either.
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if (!InvocationListLogicallyNull() && !_invocationCount.IsNull() && !_methodPtrAux.IsNull())
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throw new SerializationException(Environment.GetResourceString("Serialization_InvalidDelegateType"));
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DelegateSerializationHolder.GetDelegateSerializationInfo(info, this.GetType(), Target, method, targetIndex);
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}
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else
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{
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DelegateSerializationHolder.DelegateEntry nextDe = null;
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int invocationCount = (int)_invocationCount;
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for (int i = invocationCount; --i >= 0; )
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{
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MulticastDelegate d = (MulticastDelegate)invocationList[i];
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MethodInfo method = d.Method;
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// If it is not a RuntimeMethodInfo (must be a DynamicMethod) or if it is an unmanaged function pointer, skip
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if ( !(method is RuntimeMethodInfo) || IsUnmanagedFunctionPtr() )
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continue;
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// We can't deal with secure delegates either.
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if (!d.InvocationListLogicallyNull() && !d._invocationCount.IsNull() && !d._methodPtrAux.IsNull())
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continue;
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DelegateSerializationHolder.DelegateEntry de = DelegateSerializationHolder.GetDelegateSerializationInfo(info, d.GetType(), d.Target, method, targetIndex++);
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if (nextDe != null)
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nextDe.Entry = de;
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nextDe = de;
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}
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// if nothing was serialized it is a delegate over a DynamicMethod, so just throw
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if (nextDe == null)
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throw new SerializationException(Environment.GetResourceString("Serialization_InvalidDelegateType"));
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}
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}
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// equals returns true IIF the delegate is not null and has the
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// same target, method and invocation list as this object
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[System.Security.SecuritySafeCritical] // auto-generated
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public override sealed bool Equals(Object obj)
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{
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if (obj == null || !InternalEqualTypes(this, obj))
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return false;
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MulticastDelegate d = obj as MulticastDelegate;
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if (d == null)
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return false;
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if (_invocationCount != (IntPtr)0)
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{
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// there are 4 kind of delegate kinds that fall into this bucket
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// 1- Multicast (_invocationList is Object[])
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// 2- Secure/Wrapper (_invocationList is Delegate)
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// 3- Unmanaged FntPtr (_invocationList == null)
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// 4- Open virtual (_invocationCount == MethodDesc of target, _invocationList == null, LoaderAllocator, or DynamicResolver)
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if (InvocationListLogicallyNull())
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{
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if (IsUnmanagedFunctionPtr())
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{
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if (!d.IsUnmanagedFunctionPtr())
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return false;
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return CompareUnmanagedFunctionPtrs(this, d);
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}
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// now we know 'this' is not a special one, so we can work out what the other is
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if ((d._invocationList as Delegate) != null)
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// this is a secure/wrapper delegate so we need to unwrap and check the inner one
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return Equals(d._invocationList);
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return base.Equals(obj);
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}
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else
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{
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if ((_invocationList as Delegate) != null)
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{
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// this is a secure/wrapper delegate so we need to unwrap and check the inner one
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return _invocationList.Equals(obj);
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}
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else
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{
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Contract.Assert((_invocationList as Object[]) != null, "empty invocation list on multicast delegate");
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return InvocationListEquals(d);
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}
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}
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}
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else
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{
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// among the several kind of delegates falling into this bucket one has got a non
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// empty _invocationList (open static with special sig)
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// to be equals we need to check that _invocationList matches (both null is fine)
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// and call the base.Equals()
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if (!InvocationListLogicallyNull())
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{
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if (!_invocationList.Equals(d._invocationList))
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return false;
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return base.Equals(d);
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}
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// now we know 'this' is not a special one, so we can work out what the other is
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if ((d._invocationList as Delegate) != null)
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// this is a secure/wrapper delegate so we need to unwrap and check the inner one
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return Equals(d._invocationList);
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// now we can call on the base
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return base.Equals(d);
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}
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}
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// Recursive function which will check for equality of the invocation list.
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[System.Security.SecuritySafeCritical]
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private bool InvocationListEquals(MulticastDelegate d)
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{
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Contract.Assert(d != null && (_invocationList as Object[]) != null, "bogus delegate in multicast list comparison");
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Object[] invocationList = _invocationList as Object[];
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if (d._invocationCount != _invocationCount)
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return false;
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int invocationCount = (int)_invocationCount;
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for (int i = 0; i < invocationCount; i++)
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{
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Delegate dd = (Delegate)invocationList[i];
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Object[] dInvocationList = d._invocationList as Object[];
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if (!dd.Equals(dInvocationList[i]))
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return false;
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}
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return true;
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}
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[System.Security.SecurityCritical]
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private bool TrySetSlot(Object[] a, int index, Object o)
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{
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if (a[index] == null && System.Threading.Interlocked.CompareExchange<Object>(ref a[index], o, null) == null)
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return true;
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// The slot may be already set because we have added and removed the same method before.
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// Optimize this case, because it's cheaper than copying the array.
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if (a[index] != null)
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{
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MulticastDelegate d = (MulticastDelegate)o;
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MulticastDelegate dd = (MulticastDelegate)a[index];
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if (dd._methodPtr == d._methodPtr &&
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dd._target == d._target &&
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dd._methodPtrAux == d._methodPtrAux)
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{
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return true;
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}
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}
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return false;
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}
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[System.Security.SecurityCritical]
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private MulticastDelegate NewMulticastDelegate(Object[] invocationList, int invocationCount, bool thisIsMultiCastAlready)
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{
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// First, allocate a new multicast delegate just like this one, i.e. same type as the this object
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MulticastDelegate result = (MulticastDelegate)InternalAllocLike(this);
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// Performance optimization - if this already points to a true multicast delegate,
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// copy _methodPtr and _methodPtrAux fields rather than calling into the EE to get them
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if (thisIsMultiCastAlready)
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{
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result._methodPtr = this._methodPtr;
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result._methodPtrAux = this._methodPtrAux;
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}
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else
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{
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result._methodPtr = GetMulticastInvoke();
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result._methodPtrAux = GetInvokeMethod();
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}
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result._target = result;
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result._invocationList = invocationList;
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result._invocationCount = (IntPtr)invocationCount;
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return result;
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}
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[System.Security.SecurityCritical]
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internal MulticastDelegate NewMulticastDelegate(Object[] invocationList, int invocationCount)
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{
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return NewMulticastDelegate(invocationList, invocationCount, false);
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}
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[System.Security.SecurityCritical]
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internal void StoreDynamicMethod(MethodInfo dynamicMethod)
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{
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if (_invocationCount != (IntPtr)0)
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{
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Contract.Assert(!IsUnmanagedFunctionPtr(), "dynamic method and unmanaged fntptr delegate combined");
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// must be a secure/wrapper one, unwrap and save
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MulticastDelegate d = (MulticastDelegate)_invocationList;
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d._methodBase = dynamicMethod;
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}
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else
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_methodBase = dynamicMethod;
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}
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// This method will combine this delegate with the passed delegate
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// to form a new delegate.
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[System.Security.SecuritySafeCritical] // auto-generated
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protected override sealed Delegate CombineImpl(Delegate follow)
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{
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if ((Object)follow == null) // cast to object for a more efficient test
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return this;
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// Verify that the types are the same...
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if (!InternalEqualTypes(this, follow))
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throw new ArgumentException(Environment.GetResourceString("Arg_DlgtTypeMis"));
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MulticastDelegate dFollow = (MulticastDelegate)follow;
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Object[] resultList;
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int followCount = 1;
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Object[] followList = dFollow._invocationList as Object[];
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if (followList != null)
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followCount = (int)dFollow._invocationCount;
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int resultCount;
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Object[] invocationList = _invocationList as Object[];
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if (invocationList == null)
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{
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resultCount = 1 + followCount;
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resultList = new Object[resultCount];
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resultList[0] = this;
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if (followList == null)
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{
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resultList[1] = dFollow;
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}
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else
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{
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for (int i = 0; i < followCount; i++)
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resultList[1 + i] = followList[i];
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}
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return NewMulticastDelegate(resultList, resultCount);
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}
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else
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{
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int invocationCount = (int)_invocationCount;
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resultCount = invocationCount + followCount;
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resultList = null;
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if (resultCount <= invocationList.Length)
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{
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resultList = invocationList;
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if (followList == null)
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{
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if (!TrySetSlot(resultList, invocationCount, dFollow))
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resultList = null;
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}
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else
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{
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for (int i = 0; i < followCount; i++)
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{
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if (!TrySetSlot(resultList, invocationCount + i, followList[i]))
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{
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resultList = null;
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break;
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}
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}
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}
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}
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if (resultList == null)
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{
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int allocCount = invocationList.Length;
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while (allocCount < resultCount)
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allocCount *= 2;
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resultList = new Object[allocCount];
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for (int i = 0; i < invocationCount; i++)
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resultList[i] = invocationList[i];
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if (followList == null)
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{
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resultList[invocationCount] = dFollow;
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}
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else
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{
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for (int i = 0; i < followCount; i++)
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resultList[invocationCount + i] = followList[i];
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}
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}
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return NewMulticastDelegate(resultList, resultCount, true);
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}
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}
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[System.Security.SecurityCritical]
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private Object[] DeleteFromInvocationList(Object[] invocationList, int invocationCount, int deleteIndex, int deleteCount)
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{
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Object[] thisInvocationList = _invocationList as Object[];
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int allocCount = thisInvocationList.Length;
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while (allocCount/2 >= invocationCount - deleteCount)
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allocCount /= 2;
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Object[] newInvocationList = new Object[allocCount];
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for (int i = 0; i < deleteIndex; i++)
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newInvocationList[i] = invocationList[i];
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for (int i = deleteIndex + deleteCount; i < invocationCount; i++)
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newInvocationList[i - deleteCount] = invocationList[i];
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return newInvocationList;
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}
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private bool EqualInvocationLists(Object[] a, Object[] b, int start, int count)
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{
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for (int i = 0; i < count; i++)
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{
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if (!(a[start + i].Equals(b[i])))
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return false;
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}
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return true;
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}
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// This method currently looks backward on the invocation list
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// for an element that has Delegate based equality with value. (Doesn't
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// look at the invocation list.) If this is found we remove it from
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// this list and return a new delegate. If its not found a copy of the
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// current list is returned.
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[System.Security.SecuritySafeCritical] // auto-generated
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protected override sealed Delegate RemoveImpl(Delegate value)
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{
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// There is a special case were we are removing using a delegate as
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// the value we need to check for this case
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//
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MulticastDelegate v = value as MulticastDelegate;
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if (v == null)
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return this;
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if (v._invocationList as Object[] == null)
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{
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Object[] invocationList = _invocationList as Object[];
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if (invocationList == null)
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{
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// they are both not real Multicast
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if (this.Equals(value))
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return null;
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}
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else
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{
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int invocationCount = (int)_invocationCount;
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for (int i = invocationCount; --i >= 0; )
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{
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if (value.Equals(invocationList[i]))
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{
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if (invocationCount == 2)
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{
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// Special case - only one value left, either at the beginning or the end
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return (Delegate)invocationList[1-i];
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}
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else
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{
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Object[] list = DeleteFromInvocationList(invocationList, invocationCount, i, 1);
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return NewMulticastDelegate(list, invocationCount-1, true);
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}
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}
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}
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}
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}
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else
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{
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Object[] invocationList = _invocationList as Object[];
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if (invocationList != null) {
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int invocationCount = (int)_invocationCount;
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int vInvocationCount = (int)v._invocationCount;
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for (int i = invocationCount - vInvocationCount; i >= 0; i--)
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{
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if (EqualInvocationLists(invocationList, v._invocationList as Object[], i, vInvocationCount))
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{
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if (invocationCount - vInvocationCount == 0)
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{
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// Special case - no values left
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return null;
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}
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else if (invocationCount - vInvocationCount == 1)
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{
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// Special case - only one value left, either at the beginning or the end
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return (Delegate)invocationList[i != 0 ? 0 : invocationCount-1];
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}
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else
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{
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Object[] list = DeleteFromInvocationList(invocationList, invocationCount, i, vInvocationCount);
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return NewMulticastDelegate(list, invocationCount - vInvocationCount, true);
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}
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}
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}
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}
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}
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return this;
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}
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// This method returns the Invocation list of this multicast delegate.
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[System.Security.SecuritySafeCritical]
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public override sealed Delegate[] GetInvocationList()
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{
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Contract.Ensures(Contract.Result<Delegate[]>() != null);
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// @
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Delegate[] del;
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Object[] invocationList = _invocationList as Object[];
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if (invocationList == null)
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{
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del = new Delegate[1];
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del[0] = this;
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}
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else
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{
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// Create an array of delegate copies and each
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// element into the array
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int invocationCount = (int)_invocationCount;
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del = new Delegate[invocationCount];
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for (int i = 0; i < invocationCount; i++)
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del[i] = (Delegate)invocationList[i];
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}
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return del;
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}
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public static bool operator ==(MulticastDelegate d1, MulticastDelegate d2)
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{
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if ((Object)d1 == null)
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return (Object)d2 == null;
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return d1.Equals(d2);
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}
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public static bool operator !=(MulticastDelegate d1, MulticastDelegate d2)
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{
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if ((Object)d1 == null)
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return (Object)d2 != null;
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return !d1.Equals(d2);
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}
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[System.Security.SecuritySafeCritical]
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public override sealed int GetHashCode()
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{
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if (IsUnmanagedFunctionPtr())
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return ValueType.GetHashCodeOfPtr(_methodPtr) ^ ValueType.GetHashCodeOfPtr(_methodPtrAux);
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Object[] invocationList = _invocationList as Object[];
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if (invocationList == null)
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{
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return base.GetHashCode();
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}
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else
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{
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int hash = 0;
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for (int i = 0; i < (int)_invocationCount; i++)
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{
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hash = hash*33 + invocationList[i].GetHashCode();
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}
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return hash;
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}
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}
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[System.Security.SecuritySafeCritical]
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internal override Object GetTarget()
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{
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if (_invocationCount != (IntPtr)0)
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{
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// _invocationCount != 0 we are in one of these cases:
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// - Multicast -> return the target of the last delegate in the list
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// - Secure/wrapper delegate -> return the target of the inner delegate
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// - unmanaged function pointer - return null
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// - virtual open delegate - return null
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if (InvocationListLogicallyNull())
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{
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// both open virtual and ftn pointer return null for the target
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return null;
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}
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else
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{
|
|
Object[] invocationList = _invocationList as Object[];
|
|
if (invocationList != null)
|
|
{
|
|
int invocationCount = (int)_invocationCount;
|
|
return ((Delegate)invocationList[invocationCount - 1]).GetTarget();
|
|
}
|
|
else
|
|
{
|
|
Delegate receiver = _invocationList as Delegate;
|
|
if (receiver != null)
|
|
return receiver.GetTarget();
|
|
}
|
|
}
|
|
}
|
|
return base.GetTarget();
|
|
}
|
|
|
|
[System.Security.SecuritySafeCritical]
|
|
protected override MethodInfo GetMethodImpl()
|
|
{
|
|
if (_invocationCount != (IntPtr)0 && _invocationList != null)
|
|
{
|
|
// multicast case
|
|
Object[] invocationList = _invocationList as Object[];
|
|
if (invocationList != null)
|
|
{
|
|
int index = (int)_invocationCount - 1;
|
|
return ((Delegate)invocationList[index]).Method;
|
|
}
|
|
MulticastDelegate innerDelegate = _invocationList as MulticastDelegate;
|
|
if (innerDelegate != null)
|
|
{
|
|
// must be a secure/wrapper delegate
|
|
return innerDelegate.GetMethodImpl();
|
|
}
|
|
}
|
|
else if (IsUnmanagedFunctionPtr())
|
|
{
|
|
// we handle unmanaged function pointers here because the generic ones (used for WinRT) would otherwise
|
|
// be treated as open delegates by the base implementation, resulting in failure to get the MethodInfo
|
|
if ((_methodBase == null) || !(_methodBase is MethodInfo))
|
|
{
|
|
IRuntimeMethodInfo method = FindMethodHandle();
|
|
RuntimeType declaringType = RuntimeMethodHandle.GetDeclaringType(method);
|
|
|
|
// need a proper declaring type instance method on a generic type
|
|
if (RuntimeTypeHandle.IsGenericTypeDefinition(declaringType) || RuntimeTypeHandle.HasInstantiation(declaringType))
|
|
{
|
|
// we are returning the 'Invoke' method of this delegate so use this.GetType() for the exact type
|
|
RuntimeType reflectedType = GetType() as RuntimeType;
|
|
declaringType = reflectedType;
|
|
}
|
|
_methodBase = (MethodInfo)RuntimeType.GetMethodBase(declaringType, method);
|
|
}
|
|
return (MethodInfo)_methodBase;
|
|
}
|
|
|
|
// Otherwise, must be an inner delegate of a SecureDelegate of an open virtual method. In that case, call base implementation
|
|
return base.GetMethodImpl();
|
|
}
|
|
|
|
// this should help inlining
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void ThrowNullThisInDelegateToInstance()
|
|
{
|
|
throw new ArgumentException(Environment.GetResourceString("Arg_DlgtNullInst"));
|
|
}
|
|
|
|
[System.Security.SecurityCritical]
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorClosed(Object target, IntPtr methodPtr)
|
|
{
|
|
if (target == null)
|
|
ThrowNullThisInDelegateToInstance();
|
|
this._target = target;
|
|
this._methodPtr = methodPtr;
|
|
}
|
|
|
|
[System.Security.SecurityCritical]
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorClosedStatic(Object target, IntPtr methodPtr)
|
|
{
|
|
this._target = target;
|
|
this._methodPtr = methodPtr;
|
|
}
|
|
|
|
[System.Security.SecurityCritical] // auto-generated
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorRTClosed(Object target, IntPtr methodPtr)
|
|
{
|
|
this._target = target;
|
|
this._methodPtr = AdjustTarget(target, methodPtr);
|
|
}
|
|
|
|
[System.Security.SecurityCritical]
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorOpened(Object target, IntPtr methodPtr, IntPtr shuffleThunk)
|
|
{
|
|
this._target = this;
|
|
this._methodPtr = shuffleThunk;
|
|
this._methodPtrAux = methodPtr;
|
|
}
|
|
|
|
[System.Security.SecurityCritical] // auto-generated
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorSecureClosed(Object target, IntPtr methodPtr, IntPtr callThunk, IntPtr creatorMethod)
|
|
{
|
|
MulticastDelegate realDelegate = (MulticastDelegate)Delegate.InternalAllocLike(this);
|
|
realDelegate.CtorClosed(target, methodPtr);
|
|
this._invocationList = realDelegate;
|
|
this._target = this;
|
|
this._methodPtr = callThunk;
|
|
this._methodPtrAux = creatorMethod;
|
|
this._invocationCount = GetInvokeMethod();
|
|
}
|
|
|
|
[System.Security.SecurityCritical] // auto-generated
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorSecureClosedStatic(Object target, IntPtr methodPtr, IntPtr callThunk, IntPtr creatorMethod)
|
|
{
|
|
MulticastDelegate realDelegate = (MulticastDelegate)Delegate.InternalAllocLike(this);
|
|
realDelegate.CtorClosedStatic(target, methodPtr);
|
|
this._invocationList = realDelegate;
|
|
this._target = this;
|
|
this._methodPtr = callThunk;
|
|
this._methodPtrAux = creatorMethod;
|
|
this._invocationCount = GetInvokeMethod();
|
|
}
|
|
|
|
[System.Security.SecurityCritical] // auto-generated
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorSecureRTClosed(Object target, IntPtr methodPtr, IntPtr callThunk, IntPtr creatorMethod)
|
|
{
|
|
MulticastDelegate realDelegate = Delegate.InternalAllocLike(this);
|
|
realDelegate.CtorRTClosed(target, methodPtr);
|
|
this._invocationList = realDelegate;
|
|
this._target = this;
|
|
this._methodPtr = callThunk;
|
|
this._methodPtrAux = creatorMethod;
|
|
this._invocationCount = GetInvokeMethod();
|
|
}
|
|
|
|
[System.Security.SecurityCritical] // auto-generated
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorSecureOpened(Object target, IntPtr methodPtr, IntPtr shuffleThunk, IntPtr callThunk, IntPtr creatorMethod)
|
|
{
|
|
MulticastDelegate realDelegate = Delegate.InternalAllocLike(this);
|
|
realDelegate.CtorOpened(target, methodPtr, shuffleThunk);
|
|
this._invocationList = realDelegate;
|
|
this._target = this;
|
|
this._methodPtr = callThunk;
|
|
this._methodPtrAux = creatorMethod;
|
|
this._invocationCount = GetInvokeMethod();
|
|
}
|
|
|
|
[System.Security.SecurityCritical] // auto-generated
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorVirtualDispatch(Object target, IntPtr methodPtr, IntPtr shuffleThunk)
|
|
{
|
|
this._target = this;
|
|
this._methodPtr = shuffleThunk;
|
|
this._methodPtrAux = GetCallStub(methodPtr);
|
|
}
|
|
|
|
[System.Security.SecurityCritical] // auto-generated
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorSecureVirtualDispatch(Object target, IntPtr methodPtr, IntPtr shuffleThunk, IntPtr callThunk, IntPtr creatorMethod)
|
|
{
|
|
MulticastDelegate realDelegate = Delegate.InternalAllocLike(this);
|
|
realDelegate.CtorVirtualDispatch(target, methodPtr, shuffleThunk);
|
|
this._invocationList = realDelegate;
|
|
this._target = this;
|
|
this._methodPtr = callThunk;
|
|
this._methodPtrAux = creatorMethod;
|
|
this._invocationCount = GetInvokeMethod();
|
|
}
|
|
|
|
[System.Security.SecurityCritical] // auto-generated
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorCollectibleClosedStatic(Object target, IntPtr methodPtr, IntPtr gchandle)
|
|
{
|
|
this._target = target;
|
|
this._methodPtr = methodPtr;
|
|
this._methodBase = System.Runtime.InteropServices.GCHandle.InternalGet(gchandle);
|
|
}
|
|
|
|
[System.Security.SecurityCritical] // auto-generated
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorCollectibleOpened(Object target, IntPtr methodPtr, IntPtr shuffleThunk, IntPtr gchandle)
|
|
{
|
|
this._target = this;
|
|
this._methodPtr = shuffleThunk;
|
|
this._methodPtrAux = methodPtr;
|
|
this._methodBase = System.Runtime.InteropServices.GCHandle.InternalGet(gchandle);
|
|
}
|
|
|
|
[System.Security.SecurityCritical] // auto-generated
|
|
[System.Diagnostics.DebuggerNonUserCode]
|
|
private void CtorCollectibleVirtualDispatch(Object target, IntPtr methodPtr, IntPtr shuffleThunk, IntPtr gchandle)
|
|
{
|
|
this._target = this;
|
|
this._methodPtr = shuffleThunk;
|
|
this._methodPtrAux = GetCallStub(methodPtr);
|
|
this._methodBase = System.Runtime.InteropServices.GCHandle.InternalGet(gchandle);
|
|
}
|
|
}
|
|
}
|