Group: Window - Library: user32
Listing child windows for the Windows desktop
Terminating all running applications from a VFP program
Minimizing all running applications
BOOL IsWindowVisible(
HWND hWnd // handle of window
);
DECLARE INTEGER IsWindowVisible IN user32 INTEGER hwnd
hWnd Identifies the window
If the specified window is visible on the screen (has the WS_VISIBLE style), the return value is TRUE