Retrieves the reference data for the specified window subclass callback
#include <WinAPIShellEx.au3>
_WinAPI_GetWindowSubclass ( $hWnd, $pSubclassProc, $idSubClass )
| $hWnd | Handle of the window being subclassed. |
| $pSubclassProc | A pointer to a window procedure. This pointer and the subclass ID uniquely identify this subclass callback. (See MSDN for more information) |
| $idSubClass | The subclass ID. |
| Success: | The reference data for the window subclass callback. |
| Failure: | Sets the @error flag to non-zero. |
Search GetWindowSubclass in MSDN Library.