I tidied the code from a post made by KaFu. The code is fully working in both x32 & x64. I also used _CmdLineRaw() to parse $CmdLineRaw to an Array. Function: Version 11 (20/07/2014) #AutoIt3Wrapper_Au3Check_Parameters=-d -w 1 -w 2 -w 3 -w- 4 -w 5 -w 6 -w 7 #include <GUIConstantsEx.au3> #include <WinAPISys.au3> #include <WindowsConstants.au3> Global Const $tagCOPYDATASTRUCT = 'ulong_ptr dwData;' & _ 'dword cbData;' & _ 'ptr lpData' Global $IPC_GUID = 'E23D44