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  1. May 7th, 1999, 08:28 AM #1
    blep
    blep is offline Junior Member
    Join Date
    May 1999
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    3

    Detect parent absoulte position change

    I'm making a control that is like a combo box. The popup listbox is a child of the desktop window and I need to keep it synchronized with the absolute (screen) position of the parent dialog (which change when you are dragging the window).

    How to do this from the control ? An easy way would have to track dialog position change in the dialog but I don't want to have to do anything in the dialog.

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  2. May 7th, 1999, 09:18 AM #2
    Safai Ma
    Safai Ma is offline Member
    Join Date
    May 1999
    Location
    Toronto, Ontario, Canada
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    Re: Detect parent absoulte position change

    Subclass the parent window and intercept the WM_WINDOWPOSCHANGED (or WM_MOVE/WM_SIZE)

    -Safai

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