WinQueryActiveWindow
This function returns the active window for HWND_DESKTOP, or other parent window.
Syntax
WinQueryActiveWindow(hwndParent)
Parameters
- hwndParent (HWND) - Input
- Parent-window handle for which the active window is required.
- HWND_DESKTOP - The desktop-window handle that causes this function to return the top-level frame window.
- Other - Specified parent-window handle.
Returns
- hwndActive (HWND) - returns
- Active-window handle.
- NULLHANDLE - No window is active
- Other - Active-window handle.
Errors
Possible returns from WinGetLastError:
- PMERR_INVALID_HWND (0x1001) An invalid window handle was specified.
Example Code
#define INCL_WINWINDOWMGR #include <OS2.H> HWND hwndActive; hwndActive = WinQueryActiveWindow(HWND_DESKTOP);