| BOOL IsWindowVisible(hwnd) | |||||
| HWND hwnd; | /* handle of window to test | */ | |||
The IsWindowVisible function returns nonzero anytime an application has made a window visible by using the ShowWindow function (even if the specified window is completely covered by another child or pop-up window, the return value is nonzero).
hwnd
Identifies the window.
The return value specifies whether or not a given window exists on the screen. It is nonzero if the given window exists on the screen. Otherwise, it is zero.
ShowWindow