Display system menu

This is a discussion on Display system menu within the Windows Programming forums, part of the Platform Specific Boards category; I am trying to make a system menu display from another application at the current position of cursor.(though currently I ...

  1. #1
    Registered User
    Join Date
    Feb 2009
    Posts
    2

    Display system menu

    I am trying to make a system menu display from another application at the current position of cursor.(though currently I can not get it to display at all)

    Exactly the same as when you right click on a a task in the task bar at the bottom of screen.

    I have the window handle of the other application.

    The following code is executed when the event WM_CONTEXTMENU is received(i know it passes here as it displays a message box if i put it in there.


    Code:
    HMENU hMenu;
    hMenu = GetSystemMenu(testItem->hWnd, 0);
    TrackPopupMenuEx(hMenu, TPM_LEFTBUTTON || TPM_LEFTALIGN, 50, 50, testItem->hWnd, NULL);
    It compiles fine but i get no menu.
    I can not get it to work for the life of me.

  2. #2
    Registered User
    Join Date
    Feb 2009
    Posts
    2
    This is how to do it

    Code:
        HMENU hmenu = GetSystemMenu(testItem->hWnd, FALSE);
        if (hmenu) {
            POINT pt;
    					
            GetCursorPos(&pt);
            int cmd = TrackPopupMenu(hmenu, TPM_LEFTBUTTON|TPM_RIGHTBUTTON|TPM_RETURNCMD, pt.x, pt.y, 0, hwnd, NULL);
    					
            if (cmd) {
                SetForegroundWindow(testItem->hWnd);	// reactivate window after the context menu has closed
                PostMessage(testItem->hWnd, WM_SYSCOMMAND, cmd, 0);
            }
        }

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