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    Unsolved how to open several ui from a main menu

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    • jsulm
      jsulm Lifetime Qt Champion @Paulo G last edited by

      @Paulo-G It would help if you would tell us what error you get...
      And can you show the header file so we can see where you added that line?

      https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • P
        Paulo G last edited by

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        • P
          Paulo G last edited by

          0_1521797213903_error.jpg
          mainwindow.h:30: error: 'siguiente' does not name a type
          siguiente *vRoll=NULL;

          jsulm 1 Reply Last reply Reply Quote 0
          • jsulm
            jsulm Lifetime Qt Champion @Paulo G last edited by

            @Paulo-G said in how to open several ui from a main menu:

            mainwindow.h:30: error: 'siguiente' does not name a type

            include the header file where siguiente is declared. Or if it is already the case is this siguiente in a namespace?
            Maybe

            Ui::siguiente vRoll = NULL;
            

            ?

            https://forum.qt.io/topic/113070/qt-code-of-conduct

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            • P
              Paulo G last edited by

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              • P
                Paulo G last edited by

                En mainwindows.h
                public:
                Ui:: siguiente *vRoll=NULL;

                En mainwindows.cpp

                if (vRoll=NULL)
                vRoll=new siguiente();
                vRoll->show();

                ----error
                cannnot convert 'siguiente*' to Ui::siguiente*'
                class Ui::siguiente has no member name show

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                • mrjj
                  mrjj Lifetime Qt Champion last edited by

                  Hi
                  siguiente seems to be a dialog so not very likely its inside
                  UI::
                  You did have
                  #include "siguiente.h" in top of the mainwindow.h ?

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                  • P
                    Paulo G @mrjj last edited by

                    I had already added headers

                    #include "siguiente.h"

                    mrjj J.Hilk 2 Replies Last reply Reply Quote 0
                    • mrjj
                      mrjj Lifetime Qt Champion @Paulo G last edited by

                      @Paulo-G
                      If so - it should accept
                      siguiente *vRoll = NULL;
                      if it still complains, try
                      siguiente *vRoll;
                      ( and set it to null in constructor)

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                      • J.Hilk
                        J.Hilk Moderators @Paulo G last edited by J.Hilk

                        @Paulo-G
                        I doubt that, in the screenshot you posted, the line after

                        #include "siguiente.h
                        is clearly
                        #include "ui_siguiente.h

                        that let's me to believe, that you placed #include "siguiente.h inside siguiente.h or siguiente.cpp

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