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 WM_ENTERMENULOOP

The WM_ENTERMENULOOP message informs an application's main window procedure that a menu modal loop has been entered.

A window receives this message through its WindowProc function.

    LRESULT CALLBACK WindowProc(
      HWND hwnd,       // handle to window
      WM_ENTERMENULOOP,  // message to send
      WPARAM wParam,   // track popup menu indicator
      LPARAM lParam    // not used
    );

Parameters

• wParam
  Specifies whether the window menu was entered using the TrackPopupMenu function. This parameter has a value of TRUE if the window menu was entered using TrackPopupMenu, and FALSE if it was not.
• lParam
  This parameter is not used.

Return Values

An application should return zero if it processes this message.

Remarks

The DefWindowProc function returns zero.

Requirements

• Windows NT/2000 or later: Requires Windows NT 3.1 or later.
• Windows 95/98/Me: Requires Windows 95 or later.
• Header: Declared in Winuser.h; include Windows.h.

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Notebook exported on Monday, 7 July 2008, 18:56:50 PM Eastern Daylight Time