Function Reference

_WinAPI_RemoveWindowSubclass

Removes a subclass callback from a window

#include <WinAPIShellEx.au3>
_WinAPI_RemoveWindowSubclass ( $hWnd, $pSubclassProc, $idSubClass )

Parameters

$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.

Return Value

Success: True.

Failure: False.

_WinAPI_SetWindowSubclass, _WinAPI_DefSubclassProc

Example

#include "Extras\WMDebug.au3"
#include <GUIConstantsEx.au3>
#include <WinAPIShellEx.au3>
OnAutoItExitRegister ('OnAutoItExit')
; Create GUI
Global $g_hForm= GUICreate ('Test '&StringReplace (@ScriptName ,'.au3','()'))
; Register DLL callback that will be used as window subclass procedure
Global $g_hDll= DllCallbackRegister ('_SubclassProc','lresult','hwnd;uint;wparam;lparam;uint_ptr;dword_ptr')
Global $g_pDll= DllCallbackGetPtr ($g_hDll)
; Install window subclass callback
_WinAPI_SetWindowSubclass ($g_hForm,$g_pDll,1000,0)
GUISetState (@SW_SHOW )
Do
Until GUIGetMsg ()= $GUI_EVENT_CLOSE
Func  _SubclassProc($hWnd,$iMsg,$wParam,$lParam,$iID,$pData)
#forceref$iID,$pData
; Declared in WMDebug.au3
  _WM_Debug($hWnd,$iMsg,$wParam,$lParam)
Return _WinAPI_DefSubclassProc ($hWnd,$iMsg,$wParam,$lParam)
EndFunc ;==>_SubclassProc
Func  OnAutoItExit()
_WinAPI_RemoveWindowSubclass ($g_hForm,$g_pDll,1000)
DllCallbackFree ($g_hDll)
EndFunc ;==>OnAutoItExit

Function Reference

_WinAPI_RemoveWindowSubclass

Parameters

Return Value

Related

See Also

Example