private static ClassDisposeHandle CreateAction <TAction, TArg0>(TArg0 arg0, IntPtr pMethod, out TAction action)
where TAction : Delegate
where TArg0 : class
{
MethodTable *pMT = MethodTable.GetMethodTable <TAction>();
ObjectHeader *pThis = TypedReferenceHelper.ClassToPointer(arg0);
ObjectHeader *objHeader = (ObjectHeader *)RawMemoryManager.Allocate(pMT->BaseSize);
try
{
objHeader->SyncBlock = 0;
objHeader->MethodTable = pMT;
Byte *objBody = (Byte *)(objHeader + 1);
*(MethodTable ***)objBody = &pThis->MethodTable; // Delegate._target
*(IntPtr *)(objBody + 2 * sizeof(IntPtr)) = pMethod; // Delegate._methodPtr
action = TypedReferenceHelper.PointerToObject <TAction>(objHeader);
}
catch
{
RawMemoryManager.Free(pMT->BaseSize, objHeader);
throw;
}
return(new ClassDisposeHandle(pMT->BaseSize, objHeader));
}
public MethodTable *GetMethodTable()
{
if (IsGenericVariable())
{
return(null);
}
if (GetInternalCorElementType() == CorElementType.FnPtr)
return(MethodTable.GetMethodTable <UIntPtr>());
fixed(TypeDesc *pThis = &this)
{
ParamTypeDesc *pParam = (ParamTypeDesc *)pThis;
if (GetInternalCorElementType() == CorElementType.ValueType)
{
return(pParam->Arg.AsMethodTable());
}
else
{
return(pParam->GetTemplateMethodTableInternal());
}
}
}