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  4. Problem w/ CWnd::OnKeydown

Problem w/ CWnd::OnKeydown

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  • D Offline
    D Offline
    De Nardis Andrea
    wrote on last edited by
    #1

    Hi all, I am experiencing a strange problem w/ my app. I am using CV6.0SP5 and MFC. I want to be notified when arrow key is pressed when a window has focus, so I overrode OnKeydown. The window belongs to a 2nd window thread created by the first one. The window is a Dialog based one derived by CDialog and contains a big OCX control (about 90% the client size). The keyboard message is sent (WM_KEYDOWN) (according to the TRACER), it is processed by PreTranslateMessage when is lost in the MCF stack. Do you have any idea? Thanx a lot. Regards, Andrea :)

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    • D De Nardis Andrea

      Hi all, I am experiencing a strange problem w/ my app. I am using CV6.0SP5 and MFC. I want to be notified when arrow key is pressed when a window has focus, so I overrode OnKeydown. The window belongs to a 2nd window thread created by the first one. The window is a Dialog based one derived by CDialog and contains a big OCX control (about 90% the client size). The keyboard message is sent (WM_KEYDOWN) (according to the TRACER), it is processed by PreTranslateMessage when is lost in the MCF stack. Do you have any idea? Thanx a lot. Regards, Andrea :)

      S Offline
      S Offline
      Steve S
      wrote on last edited by
      #2

      The arrow key will be eaten as part of IsDialogMessage, I think. You might need to override PreTranslateMessage for the dialog or say that your window wants arrow keys via WM_GETDLGCODE Steve S

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