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Thread: Titlebar right-click

  1. #1

    Thread Starter
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    Titlebar right-click

    How would you detect when the user right-clicks the title bar of a form?

  2. #2
    Frenzied Member Vlatko's Avatar
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    Subclass the window for this message
    WM_NCRBUTTONDOWN
    The WM_NCRBUTTONDOWN message is posted when the user presses the right mouse button while the cursor is within the nonclient area of a window. This message is posted to the window that contains the cursor. If a window has captured the mouse, this message is not posted.

    WM_NCRBUTTONDOWN
    nHittest = (INT) wParam; // hit-test value
    pts = MAKEPOINTS(lParam); // position of cursor

    Parameters
    nHittest
    Value of wParam. Specifies the hit-test value returned by the DefWindowProc function as a result of processing the WM_NCHITTEST message. For a list of hit-test values, see WM_NCHITTEST.
    pts
    Value of lParam. Specifies aPOINTS structure that contains the x- and y-coordinates of the cursor. The coordinates are relative to the upper-left corner of the screen.
    Return Values
    If an application processes this message, it should return zero.
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  3. #3

    Thread Starter
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    eeh???

  4. #4
    jim mcnamara
    Guest
    Windows communicates between the user & stuff on the screen by sending messages.

    Every keystroke, mousemove,everything is a message.

    He is telling you to get the handle (hWnd ) of the titlebar (it's a window) and peek at the message stream going to it. This is called subclassing a window.

    If you search this site, there are about 500 examples of subclassing, of finding the handle of a window, and looking at the messages.

    This is an advanced programming technique.

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