/// <summary>
/// Creates the delegate.
/// </summary>
/// <param name="key">The key.</param>
/// <returns></returns>
private Type CreateDelegate(DynamicDelegateKey key)
{
var assembly = new AssemblyName {
Version = new Version(0, 1, 0, 0),
Name = "DynamicDelegate" + ++_createdDelegatesCount
};
AssemblyBuilder assemblyBuilder = AppDomain.CurrentDomain.DefineDynamicAssembly(assembly,
AssemblyBuilderAccess.RunAndCollect);
ModuleBuilder moduleBuilder = assemblyBuilder.DefineDynamicModule("DDModule", assembly.Name + ".dll", true);
TypeBuilder typeBuilder = moduleBuilder.DefineType(
"BooDynamicDelegate",
TypeAttributes.Class | TypeAttributes.Public | TypeAttributes.Sealed | TypeAttributes.AnsiClass |
TypeAttributes.AutoClass,
typeof (MulticastDelegate));
ConstructorBuilder ctrBuilder = typeBuilder.DefineConstructor(
MethodAttributes.RTSpecialName | MethodAttributes.HideBySig | MethodAttributes.Public,
CallingConventions.Standard,
new[] { typeof (object), typeof (IntPtr) });
ctrBuilder.SetImplementationFlags(MethodImplAttributes.Runtime | MethodImplAttributes.Managed);
MethodBuilder methodBuilder = typeBuilder.DefineMethod(
"Invoke",
MethodAttributes.Public | MethodAttributes.HideBySig | MethodAttributes.NewSlot | MethodAttributes.Virtual,
_method.ReturnType,
_method.GetParameters().Select(p => p.ParameterType).ToArray());
methodBuilder.SetImplementationFlags(MethodImplAttributes.Runtime | MethodImplAttributes.Managed);
Type delegateType = typeBuilder.CreateType();
return delegateType;
}
/// <summary>
/// Initializes a new instance of the <see cref="DynamicDelegate"/> class.
/// </summary>
/// <param name="method">The method.</param>
public DynamicDelegate(MethodInfo method)
{
_method = method;
_key = CreateSignatureKey(method);
}
