ShowWindowAsync

The ShowWindowAsync function sets the show state of a window created by a different thread.

BOOL ShowWindowAsync(
  HWND hWnd,    // handle to window
  int nCmdShow  // show state of window
);
 

Parameters

hWnd

Handle to the window.

nCmdShow

Specifies how the window is to be shown. For a list of possible values, see the description of the ShowWindow function.

Return Values

If the window was previously visible, the return value is nonzero.

If the window was previously hidden, the return value is zero.

Remarks

This function posts a show-window event to the message queue of the given window. An application can use this function to avoid becoming hung while waiting for a hung application to finish processing a show-window event.

QuickInfo

  Windows NT: Requires version 4.0 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in winuser.h.
  Import Library: Use user32.lib.

See Also

Windows Overview, Window Functions, ShowWindow