86 lines
2.5 KiB
C#
86 lines
2.5 KiB
C#
/* ****************************************************************************
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*
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* Copyright (c) Microsoft Corporation.
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*
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* This source code is subject to terms and conditions of the Microsoft Public License. A
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* copy of the license can be found in the License.html file at the root of this distribution. If
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* you cannot locate the Microsoft Public License, please send an email to
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* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
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* by the terms of the Microsoft Public License.
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*
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* You must not remove this notice, or any other, from this software.
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*
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*
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* ***************************************************************************/
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using System; using Microsoft;
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#if !SILVERLIGHT // ComObject
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#if CODEPLEX_40
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using System.Linq.Expressions;
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using System.Dynamic;
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#else
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using Microsoft.Linq.Expressions;
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using Microsoft.Scripting;
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#endif
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using System.Globalization;
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#if CODEPLEX_40
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namespace System.Dynamic {
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#else
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namespace Microsoft.Scripting {
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#endif
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/// <summary>
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/// This represents a bound dispmember on a IDispatch object.
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/// </summary>
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internal sealed class DispCallable : IDynamicMetaObjectProvider {
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private readonly IDispatchComObject _dispatch;
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private readonly string _memberName;
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private readonly int _dispId;
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internal DispCallable(IDispatchComObject dispatch, string memberName, int dispId) {
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_dispatch = dispatch;
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_memberName = memberName;
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_dispId = dispId;
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}
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public override string ToString() {
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return String.Format(CultureInfo.CurrentCulture, "<bound dispmethod {0}>", _memberName);
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}
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public IDispatchComObject DispatchComObject {
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get { return _dispatch; }
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}
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public IDispatch DispatchObject {
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get { return _dispatch.DispatchObject; }
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}
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public string MemberName {
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get { return _memberName; }
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}
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public int DispId {
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get { return _dispId; }
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}
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public DynamicMetaObject GetMetaObject(Expression parameter) {
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return new DispCallableMetaObject(parameter, this);
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}
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public override bool Equals(object obj) {
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var other = obj as DispCallable;
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return other != null && other._dispatch == _dispatch && other._dispId == _dispId;
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}
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public override int GetHashCode() {
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return _dispatch.GetHashCode() ^ _dispId;
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}
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}
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}
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#endif
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