Returns the pointer to a callback function that can be passed to the Win32 API.
DllCallbackGetPtr ( handle )
| handle | A DllCallback handle returned from DllCallbackRegister(). |
| Success: | the pointer to the callback function. |
| Failure: | 0. |
Use DllCallbackGetPtr() to pass the address of a callback function to the Win32 API when using DllCall().
DllCall, DllCallbackFree, DllCallbackRegister
#include <MsgBoxConstants.au3>
; Create callback function.
Local $hHandle = DllCallbackRegister("_EnumWindowsProc", "int", "hwnd;lparam")
; Call EnumWindows.
DllCall("user32.dll", "int", "EnumWindows", "ptr", DllCallbackGetPtr($hHandle), "lparam", 10)
; Delete callback function.
DllCallbackFree($hHandle)
; Callback Procedure
Func _EnumWindowsProc($hWnd, $lParam)
; If the Title is empty or if the window is not visible then continue enumeration.
If WinGetTitle($hWnd) = "" Or BitAND(WinGetState($hWnd), 2) = 0 Then Return 1
Local $iRes = MsgBox(($MB_OKCANCEL + $MB_SYSTEMMODAL), _
WinGetTitle($hWnd), "$hWnd=" & $hWnd & @CRLF & _
"$lParam=" & $lParam & @CRLF & _
"$hWnd(type)=" & VarGetType($hWnd))
If $iRes <> $IDOK Then Return 0 ; Cancel/Close button clicked, return 0 to stop enumeration.
Return 1 ; Return 1 to continue enumeration.
EndFunc ;==>_EnumWindowsProc