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  4. how to let CEdit SetFocus in a simple SDI program

how to let CEdit SetFocus in a simple SDI program

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  • I ikohl

    tried this method several times at many different places, such as when created, when updated, or in InitInstance, can't success. don't know what's the problem

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    Waldermort
    wrote on last edited by
    #6

    Call it immediatly before exiting your OnInit function. If that doesn't work look through your code for any other instances of SetFocus, maybe you are setting it but it is later being stolen.

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    • I ikohl

      tried this method several times at many different places, such as when created, when updated, or in InitInstance, can't success. don't know what's the problem

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      prasad_som
      wrote on last edited by
      #7

      On way is using CEdit::Setfocus in overridden OnActivateView()

      Prasad Notifier using ATL

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      • P prasad_som

        On way is using CEdit::Setfocus in overridden OnActivateView()

        Prasad Notifier using ATL

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        ikohl
        wrote on last edited by
        #8

        ok, thanks, let me try

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        • P prasad_som

          On way is using CEdit::Setfocus in overridden OnActivateView()

          Prasad Notifier using ATL

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          ikohl
          wrote on last edited by
          #9

          I don't know what's the reason, but i called m_edtContent.SetFocus in my overridden OnActivateView(), are you OK in your side, thanks for your help.

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          • I ikohl

            I don't know what's the reason, but i called m_edtContent.SetFocus in my overridden OnActivateView(), are you OK in your side, thanks for your help.

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            prasad_som
            wrote on last edited by
            #10

            its failing ? Is it giving some ASSERT or just not doing what its intended to do? Have you suppressed its base class call ? You need to do that. It would just look like this,

            void CSDIView::OnActivateView(BOOL bActivate, CView* pActivateView, CView* pDeactiveView)
            {
            m_edtContent.SetFocus();//later you can customize this to set foucs as your need
            }

            Prasad Notifier using ATL

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            • I ikohl

              I don't know what's the reason, but i called m_edtContent.SetFocus in my overridden OnActivateView(), are you OK in your side, thanks for your help.

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              ikohl
              wrote on last edited by
              #11

              yes, really thanks for your help, it succeeds when i call like "CView::OnActivateView(bActivate, pActivateView, pDeactiveView); m_edtContent.SetFocus();" but not if i call like" m_edtContent.SetFocus(); CView::OnActivateView(bActivate, pActivateView, pDeactiveView); ". it's really very good, but after i quit the program, it will say "The exception Breakpoint, A breakpoint has been reached."

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              • I ikohl

                yes, really thanks for your help, it succeeds when i call like "CView::OnActivateView(bActivate, pActivateView, pDeactiveView); m_edtContent.SetFocus();" but not if i call like" m_edtContent.SetFocus(); CView::OnActivateView(bActivate, pActivateView, pDeactiveView); ". it's really very good, but after i quit the program, it will say "The exception Breakpoint, A breakpoint has been reached."

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                prasad_som
                wrote on last edited by
                #12

                ikohl wrote:

                CView::OnActivateView(bActivate, pActivateView, pDeactiveView);

                tries to set foucs on view itself. In your case its not needed.

                Prasad Notifier using ATL

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                • P prasad_som

                  ikohl wrote:

                  CView::OnActivateView(bActivate, pActivateView, pDeactiveView);

                  tries to set foucs on view itself. In your case its not needed.

                  Prasad Notifier using ATL

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                  ikohl
                  wrote on last edited by
                  #13

                  yes, it's ok in sdi program, except for can't focus previous program when this program quits. but for mdi program, there's an error box will jump out when quit this program. really thanks for your help, you're a kind man.

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                  • I ikohl

                    yes, it's ok in sdi program, except for can't focus previous program when this program quits. but for mdi program, there's an error box will jump out when quit this program. really thanks for your help, you're a kind man.

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                    prasad_som
                    wrote on last edited by
                    #14

                    Actually, problem was you can't use SetFocus unless that window ,parent window is visible. OnActivateView is one place where you can achieve this. You can use its parameters for certain checks. Other place I feel is overriding WM_SHOWWINDOW, but it will get called once. You can look for such messages and use SetFocus there.

                    Prasad Notifier using ATL

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                    • P prasad_som

                      Actually, problem was you can't use SetFocus unless that window ,parent window is visible. OnActivateView is one place where you can achieve this. You can use its parameters for certain checks. Other place I feel is overriding WM_SHOWWINDOW, but it will get called once. You can look for such messages and use SetFocus there.

                      Prasad Notifier using ATL

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                      ikohl
                      wrote on last edited by
                      #15

                      ok, i will review it, really thanks for your help

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