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  4. How to display series of numbers ?

How to display series of numbers ?

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  • S Surivevoli

    :confused:I want to display series of numbers from 1 to 50 (that handled by variable i) use CPaintDC.TextOut(); Please help me ! Thanks ! Lgx -- modified at 19:05 Friday 7th April, 2006

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    ThatsAlok
    wrote on last edited by
    #4

    Surivevoli wrote:

    I want to display series of numbers from 1 to 50 (that handled by variable i) use CPaintDC.TextOut();Please help me !Thanks !

    use wsprintf to add number in string and you can easily display that using the TextOut, but IMHO you should use CDC::ExtTextOut for same!

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    • H Hamid Taebi

      Hi Surivevoli, CString Str; int i=0; while(i<50) { Str.Format("%d",i); dc.SetBkMode(0); dc.TextOut(X,50,Str,Str.GetLength()); X+=20; i++; }

      S Offline
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      Surivevoli
      wrote on last edited by
      #5

      Thank you ! dc.SetBkMode(0)is uderstanded as dc.SetBkMode(TRANSPARENT)??? if before i draw a rectangle filled Red color {i use CBrush ...}, i try release that command{dc.SetBkMode} and use TextOut() to draw number text on the rectangle, but i see nothing changed if i want display formated "01","02","03",... Can you help me ? Lgx -- modified at 6:34 Saturday 8th April, 2006

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      • T ThatsAlok

        Surivevoli wrote:

        I want to display series of numbers from 1 to 50 (that handled by variable i) use CPaintDC.TextOut();Please help me !Thanks !

        use wsprintf to add number in string and you can easily display that using the TextOut, but IMHO you should use CDC::ExtTextOut for same!

        S Offline
        S Offline
        Surivevoli
        wrote on last edited by
        #6

        what's difference between TextOut() and ExtTextOut() ??? why should you ExtTextOut()??

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        • RaviBeeR RaviBee

          To display the series on the same line, simply construct the string and use TextOut() to display it, as in:

          CString strNumbers;
          for (int nNum=1; (nNum <= 50); nNum++) {
          CString strNum;
          strNum.Format ("%d ", nNum);
          strNumbers += strNum;
          }
          VERIFY (pDC->TextOut (10, 10, strNumbers));

          /ravi My new year's resolution: 2048 x 1536 Home | Music | Articles | Freeware | Trips ravib(at)ravib(dot)com

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          Surivevoli
          wrote on last edited by
          #7

          i don't understand final code : VERIFY (pDC->TextOut (10, 10, strNumbers); what's it mean ? Lgx

          T RaviBeeR 2 Replies Last reply
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          • S Surivevoli

            Thank you ! dc.SetBkMode(0)is uderstanded as dc.SetBkMode(TRANSPARENT)??? if before i draw a rectangle filled Red color {i use CBrush ...}, i try release that command{dc.SetBkMode} and use TextOut() to draw number text on the rectangle, but i see nothing changed if i want display formated "01","02","03",... Can you help me ? Lgx -- modified at 6:34 Saturday 8th April, 2006

            H Offline
            H Offline
            Hamid Taebi
            wrote on last edited by
            #8

            Surivevoli, CString Str; int i=0; while(i<50) { Str.Format("0%d",i); dc.SetBkMode(0); dc.TextOut(X,50,Str,Str.GetLength()); X+=32; i++; } -- modified at 7:13 Saturday 8th April, 2006

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            • S Surivevoli

              i don't understand final code : VERIFY (pDC->TextOut (10, 10, strNumbers); what's it mean ? Lgx

              T Offline
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              ThatsAlok
              wrote on last edited by
              #9

              Surivevoli wrote:

              VERIFY (pDC->TextOut (10, 10, strNumbers);

              VERIFY means to verify that your statement is properly fired or not.. try you local copy of msdn for these keywords

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              • S Surivevoli

                Thank you ! dc.SetBkMode(0)is uderstanded as dc.SetBkMode(TRANSPARENT)??? if before i draw a rectangle filled Red color {i use CBrush ...}, i try release that command{dc.SetBkMode} and use TextOut() to draw number text on the rectangle, but i see nothing changed if i want display formated "01","02","03",... Can you help me ? Lgx -- modified at 6:34 Saturday 8th April, 2006

                H Offline
                H Offline
                Hamid Taebi
                wrote on last edited by
                #10

                //Now test this code then again test without SetBkMode CPaintDC dc(this); CString Str; int i=0; dc.FillRect(CRect(0,50,800,80),&CBrush(RGB(120,120,200))); while(i<50) { Str.Format("''0%d''",i); dc.SetBkMode(0); dc.SetTextColor(RGB(255,255,255));//White dc.TextOut(X,55,Str,Str.GetLength()); X+=40; i++; }

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                • S Surivevoli

                  i don't understand final code : VERIFY (pDC->TextOut (10, 10, strNumbers); what's it mean ? Lgx

                  RaviBeeR Offline
                  RaviBeeR Offline
                  RaviBee
                  wrote on last edited by
                  #11

                  See this[^] link for information on the VERIFY and ASSERT macros. /ravi My new year's resolution: 2048 x 1536 Home | Music | Articles | Freeware | Trips ravib(at)ravib(dot)com

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                  • H Hamid Taebi

                    //Now test this code then again test without SetBkMode CPaintDC dc(this); CString Str; int i=0; dc.FillRect(CRect(0,50,800,80),&CBrush(RGB(120,120,200))); while(i<50) { Str.Format("''0%d''",i); dc.SetBkMode(0); dc.SetTextColor(RGB(255,255,255));//White dc.TextOut(X,55,Str,Str.GetLength()); X+=40; i++; }

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                    Surivevoli
                    wrote on last edited by
                    #12

                    thank you very much ! what is the difference between CPaintDC and CClientDC ? for you, what class should i use ? for example : i want draw a bitmap at coordinate of mouse when it is pressed Left

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                    • S Surivevoli

                      thank you very much ! what is the difference between CPaintDC and CClientDC ? for you, what class should i use ? for example : i want draw a bitmap at coordinate of mouse when it is pressed Left

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                      Hamid Taebi
                      wrote on last edited by
                      #13

                      Hi Surivevoli, maybe it is some helpful to you for lbutton http://www.codeproject.com/bitmap/DeskShoot.asp[^] for difference http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_mfc_cpaintdc.asp[^] http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_mfc_cclientdc.asp[^]

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