CWnd::ShowWindow

BOOL ShowWindow( int nCmdShow );

Return Value

Nonzero if the window was previously visible; 0 if the CWnd was previously hidden.

Parameters

nCmdShow

Specifies how the CWnd is to be shown. It must be one of the following values:

SW_HIDE Hides this window and passes activation to another window.
SW_MINIMIZE Minimizes the window and activates the top-level window in the system’s list.
SW_RESTORE Activates and displays the window. If the window is minimized or maximized, Windows restores it to its original size and position.
SW_SHOW Activates the window and displays it in its current size and position.
SW_SHOWMAXIMIZED Activates the window and displays it as a maximized window.
SW_SHOWMINIMIZED Activates the window and displays it as an icon.
SW_SHOWMINNOACTIVE Displays the window as an icon. The window that is currently active remains active.
SW_SHOWNA Displays the window in its current state. The window that is currently active remains active.
SW_SHOWNOACTIVATE Displays the window in its most recent size and position. The window that is currently active remains active.
SW_SHOWNORMAL Activates and displays the window. If the window is minimized or maximized, Windows restores it to its original size and position.

Remarks

Sets the visibility state of the window.

ShowWindow must be called only once per application for the main window with CWinApp::m_nCmdShow. Subsequent calls to ShowWindow must use one of the values listed above instead of the one specified by CWinApp::m_nCmdShow.

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