34 lines
1.5 KiB
C#
34 lines
1.5 KiB
C#
//-----------------------------------------------------------------------------
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//-----------------------------------------------------------------------------
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namespace System.Activities.Runtime
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{
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using System;
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using System.Runtime;
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using System.Runtime.Serialization;
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using System.Security;
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[DataContract]
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class ActivityCompletionCallbackWrapper : CompletionCallbackWrapper
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{
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static readonly Type completionCallbackType = typeof(CompletionCallback);
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static readonly Type[] completionCallbackParameters = new Type[] { typeof(NativeActivityContext), typeof(ActivityInstance) };
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public ActivityCompletionCallbackWrapper(CompletionCallback callback, ActivityInstance owningInstance)
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: base(callback, owningInstance)
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{
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}
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[Fx.Tag.SecurityNote(Critical = "Because we are calling EnsureCallback",
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Safe = "Safe because the method needs to be part of an Activity and we are casting to the callback type and it has a very specific signature. The author of the callback is buying into being invoked from PT.")]
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[SecuritySafeCritical]
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protected internal override void Invoke(NativeActivityContext context, ActivityInstance completedInstance)
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{
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EnsureCallback(completionCallbackType, completionCallbackParameters);
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CompletionCallback completionCallback = (CompletionCallback)this.Callback;
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completionCallback(context, completedInstance);
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}
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}
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}
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