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  4. SetDlgItemTextW problem

SetDlgItemTextW problem

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  • S Sam_c

    CString str=_T("name"); SetDlgItemText(IDC_BTN_RESET,str); works fine :) does that solve it?

    T Offline
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    toxcct
    wrote on last edited by
    #6

    sonsam wrote:

    CString str=_T("name");

    no. this instead :

    CString str = L"Name";


    [VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

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    • S spsharma

      I guess UNICODE is not defined else

      Suneet.03 wrote:

      CString str="Name";

      will not compile.

      T Offline
      T Offline
      toxcct
      wrote on last edited by
      #7

      spsharma wrote:

      CString str="Name"; will not compile

      :confused: sure it will, and it does ! but it doesn't work properly if UNICODE and _UNICODE are not defined...


      [VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

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      • T toxcct

        spsharma wrote:

        CString str="Name"; will not compile

        :confused: sure it will, and it does ! but it doesn't work properly if UNICODE and _UNICODE are not defined...


        [VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

        S Offline
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        spsharma
        wrote on last edited by
        #8

        In fact it will not compile if UNICODE is defined.

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        • T toxcct

          Suneet.03 wrote:

          CString str="Name"; wchar_t buf[255]; strcpy(pc_char1,str); mbstowcs(buf,pc_char1,str.GetLength()+1); SetDlgItemTextW(hWnd,IDC_VIEW,buf);

          CString, strcpy() are not handling unicode... use CStringW and wcscpy_s() instead, and of course, when using literals, type them with a prepending **L**


          [VisualCalc][Binary Guide][CommDialogs] | [Forums Guidelines]

          J Offline
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          James R Twine
          wrote on last edited by
          #9

          The data is not Unicode until the call to mbstowcs(...) at which point buf (a Unicode/wide character buffer) should contain Unicode data.  At that point, the CString and strcpy(...) are no longer involved.    Most ANSI/MBCS applications are capable of handling Unicode data and vice-versa simpy by using/omitting the L prefix on strings to indicate a wide/narrow string and using the appropriate W/A suffix on the Win32 API.  Your application configuration (UNICODE #defined or not) mostly indicates the default character width and version of the Win32 API to link with.    There is something else going on...    Peace! -- modified at 7:49 Monday 16th July, 2007 (Posted before complete...)

          -=- James
          Please rate this message - let me know if I helped or not! * * * If you think it costs a lot to do it right, just wait until you find out how much it costs to do it wrong!
          Avoid driving a vehicle taller than you and remember that Professional Driver on Closed Course does not mean your Dumb Ass on a Public Road!
          See DeleteFXPFiles

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          • S Suneet 03

            I am using VC++ and want to display UNICODE String on a Dialog box Doing it like this : CString str="Name"; wchar_t buf[255]; strcpy(pc_char1,str); mbstowcs(buf,pc_char1,str.GetLength()+1); SetDlgItemTextW(hWnd,IDC_VIEW,buf); and HWND hWnd is declared in .h File The problem is even though code compiles fine but nothing gets displayed.

            J Offline
            J Offline
            James R Twine
            wrote on last edited by
            #10

            Assuming that pc_char is a suitable char buffer, the conversion to Unicode looks OK from here.    I would try a few things...      1: Remove the CString usage - it is not necessary and only adds time and another point for exception handling.

            LPCTSTR pcData = "Name";
            wchar_t wcaBuf[255];

            ::mbstowcs( wcaBuf, cpData, ::_tcslen( cpData ) );
            ::SetDlgItemTextW( hWnd, IDC_VIEW , wcaBuf );
            // HWND hWndView = ::GetDlgItem( hWnd, IDC_VIEW ); //::SetWindowTextW( hWndView, wcaBuf );

            2: Make sure that the conversion to Unicode was successful by checking the return value from mbstowcs(...)      3: Check the return value of SetDlgItemTextW(...), and maybe try using SetWindowTextW(...) by first obtaining the HWND of the IDC_VIEW control.      4: This may be a stupid question, but are you sure that IDC_VIEW is a "text-able" control (edit, button, static/label, drop-list combobox)?    Peace!

            -=- James
            Please rate this message - let me know if I helped or not! * * * If you think it costs a lot to do it right, just wait until you find out how much it costs to do it wrong!
            Avoid driving a vehicle taller than you and remember that Professional Driver on Closed Course does not mean your Dumb Ass on a Public Road!
            See DeleteFXPFiles

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            • S Suneet 03

              I am using VC++ and want to display UNICODE String on a Dialog box Doing it like this : CString str="Name"; wchar_t buf[255]; strcpy(pc_char1,str); mbstowcs(buf,pc_char1,str.GetLength()+1); SetDlgItemTextW(hWnd,IDC_VIEW,buf); and HWND hWnd is declared in .h File The problem is even though code compiles fine but nothing gets displayed.

              M Offline
              M Offline
              Mark Salsbery
              wrote on last edited by
              #11

              Wow. Alot of discussion and 1-voting on this thread :) Isn't this sufficient? CStringW str=L"Name"; SetDlgItemTextW(hWnd,IDC_VIEW,str);

              Mark Salsbery Microsoft MVP - Visual C++ "Great job team! Head back to base for debriefing and cocktails."

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              • S Suneet 03

                I am using VC++ and want to display UNICODE String on a Dialog box Doing it like this : CString str="Name"; wchar_t buf[255]; strcpy(pc_char1,str); mbstowcs(buf,pc_char1,str.GetLength()+1); SetDlgItemTextW(hWnd,IDC_VIEW,buf); and HWND hWnd is declared in .h File The problem is even though code compiles fine but nothing gets displayed.

                M Offline
                M Offline
                Mark Salsbery
                wrote on last edited by
                #12

                or this CStringW str("Name"); SetDlgItemTextW(hWnd,IDC_VIEW,str);

                Mark Salsbery Microsoft MVP - Visual C++ "Great job team! Head back to base for debriefing and cocktails."

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                • M Mark Salsbery

                  or this CStringW str("Name"); SetDlgItemTextW(hWnd,IDC_VIEW,str);

                  Mark Salsbery Microsoft MVP - Visual C++ "Great job team! Head back to base for debriefing and cocktails."

                  J Offline
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                  James R Twine
                  wrote on last edited by
                  #13

                  Or this:

                  SetDlgItemTextW( hWnd, IDC_VIEW, L"Name" );

                  :P    Peace!

                  -=- James
                  Please rate this message - let me know if I helped or not! * * * If you think it costs a lot to do it right, just wait until you find out how much it costs to do it wrong!
                  Avoid driving a vehicle taller than you and remember that Professional Driver on Closed Course does not mean your Dumb Ass on a Public Road!
                  See DeleteFXPFiles

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                  • J James R Twine

                    Or this:

                    SetDlgItemTextW( hWnd, IDC_VIEW, L"Name" );

                    :P    Peace!

                    -=- James
                    Please rate this message - let me know if I helped or not! * * * If you think it costs a lot to do it right, just wait until you find out how much it costs to do it wrong!
                    Avoid driving a vehicle taller than you and remember that Professional Driver on Closed Course does not mean your Dumb Ass on a Public Road!
                    See DeleteFXPFiles

                    M Offline
                    M Offline
                    Mark Salsbery
                    wrote on last edited by
                    #14

                    :doh: ;P

                    Mark Salsbery Microsoft MVP - Visual C++ "Great job team! Head back to base for debriefing and cocktails."

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                    • S Suneet 03

                      I am using VC++ and want to display UNICODE String on a Dialog box Doing it like this : CString str="Name"; wchar_t buf[255]; strcpy(pc_char1,str); mbstowcs(buf,pc_char1,str.GetLength()+1); SetDlgItemTextW(hWnd,IDC_VIEW,buf); and HWND hWnd is declared in .h File The problem is even though code compiles fine but nothing gets displayed.

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                      S Offline
                      Suneet 03
                      wrote on last edited by
                      #15

                      Thanx guys for such quick replies. One more thing , is UTF-8 conversion same as UNICODE conversion? i think its same ...

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