This method is specific to version 3, or higher, of the OS/2 operating system.
This method returns the handle of the active WPDesktop object.
#define INCL_WINWORKPLACE
#include <os2.h>
M_WPDesktop *somSelf; /* Pointer to the WPDesktop class object. */
HWND hwndDesktop; /* Handle of the active desktop object' frame window. */
hwndDesktop = _wpclsQueryActiveDesktopHWND(
somSelf);