WinSetSysModalWindow - Parameters

hwndDesktop (HWND) - input

Desktop-window handle, or HWND_DESKTOP.

hwnd (HWND) - input

Handle of window to become system-modal window.

If NULLHANDLE, system-modal state is ended, and input processing returns to its normal state.

rc (BOOL) - returns

Success indicator.

TRUE

Successful completion
FALSE
Error occurred.

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