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    Question :
    What should I give to Windows API functions that want a hWnd?
    Category Delphi Interview Questions
    Rating (0.2) By 17 users
    Added on 8/6/2012
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    Each form has a property called Handle, which contains the form's hWnd. Many controls also have hWnd properties. However, don't try to pass Canvas.Handle to an API function expecting a hWnd, because TCanvas's Handle property is a hDC, not a hWnd.

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