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CString return

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  • T tyagineha

    exception error i m geeting is "Debug Assertion Error". NT

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    jhwurmbach
    wrote on last edited by
    #4

    GetText is checking its input data. What are you inputting to it? Use the debugger to set a breakpoint and check the value.


    Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
    George Orwell, "Keep the Aspidistra Flying", Opening words

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    • J jhwurmbach

      GetText is checking its input data. What are you inputting to it? Use the debugger to set a breakpoint and check the value.


      Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
      George Orwell, "Keep the Aspidistra Flying", Opening words

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      tyagineha
      wrote on last edited by
      #5

      I dont want return value of GetText() function i want return value of _case variable NT

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      • T tyagineha

        I dont want return value of GetText() function i want return value of _case variable NT

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        jhwurmbach
        wrote on last edited by
        #6

        Sure. But you are calling GetText() with index and _case. And GetText is checking its paramteres... Did you ever check the value of index?


        Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
        George Orwell, "Keep the Aspidistra Flying", Opening words

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        • J jhwurmbach

          Sure. But you are calling GetText() with index and _case. And GetText is checking its paramteres... Did you ever check the value of index?


          Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
          George Orwell, "Keep the Aspidistra Flying", Opening words

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          tyagineha
          wrote on last edited by
          #7

          But i think the function of GetText() is that watever text is at index(watevr value) will be stored in _case. just tell the way i m returning the value of _case is correct or not???? NT

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          • T tyagineha

            But i think the function of GetText() is that watever text is at index(watevr value) will be stored in _case. just tell the way i m returning the value of _case is correct or not???? NT

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            jhwurmbach
            wrote on last edited by
            #8

            tyagineha wrote:

            But i think the function of GetText() is that watever text is at index(watevr value) will be stored in _case.

            You could have read MSDN about GetText(). The index is zerobased. Hence my repeated question (which you seem to refuse to answer): What are you calling GetText() with? Are you calling it with invalid indices (like, perchance, -1)?


            Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
            George Orwell, "Keep the Aspidistra Flying", Opening words

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            • J jhwurmbach

              tyagineha wrote:

              But i think the function of GetText() is that watever text is at index(watevr value) will be stored in _case.

              You could have read MSDN about GetText(). The index is zerobased. Hence my repeated question (which you seem to refuse to answer): What are you calling GetText() with? Are you calling it with invalid indices (like, perchance, -1)?


              Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
              George Orwell, "Keep the Aspidistra Flying", Opening words

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              tyagineha
              wrote on last edited by
              #9

              ok i m sorry 4 that.... i m inputting a ListBox value.......... NT

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              • T tyagineha

                ok i m sorry 4 that.... i m inputting a ListBox value.......... NT

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                jhwurmbach
                wrote on last edited by
                #10

                And your Listbox does have 5 entries? Or does it have 4, and the last one is selected? Then you have falling in the ole off-by-one trap. ;P Indices are counting from 0: the last element of the Listbox has the index (SizeOfListbox -1)


                Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                George Orwell, "Keep the Aspidistra Flying", Opening words

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                • J jhwurmbach

                  And your Listbox does have 5 entries? Or does it have 4, and the last one is selected? Then you have falling in the ole off-by-one trap. ;P Indices are counting from 0: the last element of the Listbox has the index (SizeOfListbox -1)


                  Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                  George Orwell, "Keep the Aspidistra Flying", Opening words

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                  tyagineha
                  wrote on last edited by
                  #11

                  rite now listbox has only one entry. this function i m defining in one class and calling in another class... the problem which u r saying.. that problem i m nt gntng when i m in same class but when calling this function fron another class then error is cuming. tell me watshld i do now?? Nt

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                  • T tyagineha

                    rite now listbox has only one entry. this function i m defining in one class and calling in another class... the problem which u r saying.. that problem i m nt gntng when i m in same class but when calling this function fron another class then error is cuming. tell me watshld i do now?? Nt

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                    jhwurmbach
                    wrote on last edited by
                    #12

                    tyagineha wrote:

                    tell me watshld i do now??

                    Write proper English. I am not a native speaker and may get your abbreviations wrong. Also, this stuff is complicated enough.


                    Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                    George Orwell, "Keep the Aspidistra Flying", Opening words

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                    • J jhwurmbach

                      tyagineha wrote:

                      tell me watshld i do now??

                      Write proper English. I am not a native speaker and may get your abbreviations wrong. Also, this stuff is complicated enough.


                      Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                      George Orwell, "Keep the Aspidistra Flying", Opening words

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                      tyagineha
                      wrote on last edited by
                      #13

                      Tell me what should i do now???? NT

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                      • T tyagineha

                        Tell me what should i do now???? NT

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                        jhwurmbach
                        wrote on last edited by
                        #14

                        Set a breakpoint on return _case; and see if it looks OK in the debugger. If it does, single step into your other class and look if it is still OK.


                        Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                        George Orwell, "Keep the Aspidistra Flying", Opening words

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                        • T tyagineha

                          rite now listbox has only one entry. this function i m defining in one class and calling in another class... the problem which u r saying.. that problem i m nt gntng when i m in same class but when calling this function fron another class then error is cuming. tell me watshld i do now?? Nt

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                          jhwurmbach
                          wrote on last edited by
                          #15

                          tyagineha wrote:

                          rite now listbox has only one entry.

                          But you are calling for the 4th one? Could this work?


                          Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                          George Orwell, "Keep the Aspidistra Flying", Opening words

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                          • J jhwurmbach

                            Set a breakpoint on return _case; and see if it looks OK in the debugger. If it does, single step into your other class and look if it is still OK.


                            Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                            George Orwell, "Keep the Aspidistra Flying", Opening words

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                            tyagineha
                            wrote on last edited by
                            #16

                            its not ok in debugger... its giving debug error. i just want to return the value which is in _case. i want to use this value furthur. NT

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                            • T tyagineha

                              its not ok in debugger... its giving debug error. i just want to return the value which is in _case. i want to use this value furthur. NT

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                              jhwurmbach
                              wrote on last edited by
                              #17

                              tyagineha wrote:

                              i just want to return the value which is in _case.

                              So the CString _case is ok at the end of your function (as listed above). And it is not OK in the function calling that?


                              Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                              George Orwell, "Keep the Aspidistra Flying", Opening words

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                              • J jhwurmbach

                                tyagineha wrote:

                                rite now listbox has only one entry.

                                But you are calling for the 4th one? Could this work?


                                Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                                George Orwell, "Keep the Aspidistra Flying", Opening words

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                                tyagineha
                                wrote on last edited by
                                #18

                                sorry i m not getting you. Nt

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                                • T tyagineha

                                  sorry i m not getting you. Nt

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                                  jhwurmbach
                                  wrote on last edited by
                                  #19

                                  You said: "The index is 4" and "rite now listbox has only one entry." Are you calling CListBox::GetText( 4, _case) in a CListBox that has only 1 entry?


                                  Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                                  George Orwell, "Keep the Aspidistra Flying", Opening words

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                                  • T tyagineha

                                    sorry i m not getting you. Nt

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                                    tyagineha
                                    wrote on last edited by
                                    #20

                                    Okey let me explain in detail. void CMyProj::OnSelchangeList() { CClientdemoDlg dlgobj; dlgobj.OnClientChangeListbox(); } void CClientdemoDlg::OnClientChangeListbox() { CMyProj objnew; CString _temp; _temp=objnew.OnTextList(); } CString CMyProj::OnTextList() { int index; CString _case; index = m_caselist.GetCurSel(); m_caselist.GetText(index,_case); return _case; } notice the classes....... NT -- modified at 5:54 Thursday 16th August, 2007 NT

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                                    • J jhwurmbach

                                      You said: "The index is 4" and "rite now listbox has only one entry." Are you calling CListBox::GetText( 4, _case) in a CListBox that has only 1 entry?


                                      Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                                      George Orwell, "Keep the Aspidistra Flying", Opening words

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                                      tyagineha
                                      wrote on last edited by
                                      #21

                                      hey i didnt said 4.... i said only that my listbox has only 1 entry.. NT

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                                      • T tyagineha

                                        hey i didnt said 4.... i said only that my listbox has only 1 entry.. NT

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                                        jhwurmbach
                                        wrote on last edited by
                                        #22

                                        You are right. I was unable to decipher you SMS-style 1337-speak. Here.[^]


                                        Though I speak with the tongues of men and of angels, and have not money, I am become as a sounding brass, or a tinkling cymbal.
                                        George Orwell, "Keep the Aspidistra Flying", Opening words

                                        1 Reply Last reply
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                                        • T tyagineha

                                          Okey let me explain in detail. void CMyProj::OnSelchangeList() { CClientdemoDlg dlgobj; dlgobj.OnClientChangeListbox(); } void CClientdemoDlg::OnClientChangeListbox() { CMyProj objnew; CString _temp; _temp=objnew.OnTextList(); } CString CMyProj::OnTextList() { int index; CString _case; index = m_caselist.GetCurSel(); m_caselist.GetText(index,_case); return _case; } notice the classes....... NT -- modified at 5:54 Thursday 16th August, 2007 NT

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                                          kakan
                                          wrote on last edited by
                                          #23

                                          tyagineha wrote:

                                          void CClientdemoDlg::OnClientChangeListbox() { CMyProj objnew; CString _temp; _temp=objnew.OnText(); }

                                          But in your example you show the code for CMyProj::OnTextList(). It seems as you think you are calling CMyProj::OnTextList(), but in your sample you call CMyProj::OnText() Maybe you should look for the problem in CMyProj::OnText() ?

                                          Alcohol. The cause of, and the solution to, all of life's problems - Homer Simpson

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