monitors clipboard for $CF_HDROP file events and retrieves 'DropEffect' copy or cut status of folders/files on clipboard uses modified helpfile clipboard example and Lazycats drag and drop UDF from an idea by MrCreator in this thread. http://www.autoitscript.com/forum/index.php?showtopic=81709 Reference links MSDN Shell Clipboard Formats http://msdn.microsoft.com/en-us/library/bb776902(VS.85).aspx DROP EFFECT http://msdn.microsoft.com/en-us/library/ms693457(VS.85).aspx Shell Data Objects http