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Add System.Reflection.DispatchProxy library
Initial commit of System.Reflection.DispatchProxy src and tests. DispatchProxy provides a mechanism to dynamcially create proxy types that implement a specified interface and derive from a specified DispatchProxy type. Method invocations on the generated proxy instance are dispatched to that DispatchProxy base type.
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‎src/System.Reflection.DispatchProxy/System.Reflection.DispatchProxy.sln‎

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‎src/System.Reflection.DispatchProxy/src/Resources/Strings.resx‎

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‎src/System.Reflection.DispatchProxy/src/System.Reflection.DispatchProxy.csproj‎

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‎src/System.Reflection.DispatchProxy/src/System/Reflection/DispatchProxy.cs‎

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// Copyright (c) Microsoft. All rights reserved.
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// Licensed under the MIT license. See LICENSE file in the project root for full license information.
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using System;
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using System.Reflection;
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namespace System.Reflection
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{
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/// <summary>
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/// DispatchProxy provides a mechanism for the instantiation of proxy objects and handling of
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/// their method dispatch.
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/// </summary>
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public abstract class DispatchProxy
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{
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protected DispatchProxy()
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{
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}
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/// <summary>
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/// Whenever any method on the generated proxy type is called, this method
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/// will be invoked to dispatch control.
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/// </summary>
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/// <param name="targetMethod">The method the caller invoked</param>
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/// <param name="args">The arguments the caller passed to the method</param>
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/// <returns>The object to return to the caller, or <c>null</c> for void methods</returns>
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protected abstract object Invoke(MethodInfo targetMethod, object[] args);
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/// <summary>
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/// Creates an object instance that derives from class <typeparamref name="TProxy"/>
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/// and implements interface <typeparamref name="T"/>.
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/// </summary>
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/// <typeparam name="T">The interface the proxy should implement.</typeparam>
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/// <typeparam name="TProxy">The base class to use for the proxy class.</typeparam>
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/// <returns>An object instance that implements <typeparamref name="T"/>.</returns>
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/// <exception cref="System.ArgumentException"><typeparamref name="T"/> is a class,
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/// or <typeparamref name="TProxy"/> is sealed or does not have a parameterless constructor</exception>
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public static T Create<T, TProxy>()
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where TProxy : DispatchProxy
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{
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return (T)DispatchProxyGenerator.CreateProxyInstance(typeof(TProxy), typeof(T));
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}
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}
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}

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