Determines whether the specified window is a native Unicode window
#include <WinAPISysWin.au3>
_WinAPI_IsWindowUnicode ( $hWnd )
| $hWnd | Handle to the window to test. |
| True: | the window is a native Unicode window. |
| False: | the window is an ANSI window. |
Search IsWindowUnicode in MSDN Library.