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Transfer data between Forms

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  • CadNetoC Offline
    CadNetoC Offline
    CadNeto
    wrote on last edited by
    #1

    How can I transfer data between forms ?. Ex...from MainWindow to Dialog......or Dialog_A to Dialog_B.
    Someone have a exemplo to learn

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      What kind of data do you have in mind ?

      The usual way with Qt is to use signals and slots but it also depends on how you use your dialogs .

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

      CadNetoC 1 Reply Last reply
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      • M Offline
        M Offline
        MajidKamali
        wrote on last edited by MajidKamali
        #3

        Class constructor parameters is an option.
        Another option is to use setProperty method for QObject derived classes when creating object, before calling show()

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        • mrjjM Offline
          mrjjM Offline
          mrjj
          Lifetime Qt Champion
          wrote on last edited by
          #4

          Hi
          Is it related to this one?
          https://forum.qt.io/topic/64609/signal-and-slot-passing-data-between-forms/3

          CadNetoC 1 Reply Last reply
          0
          • mrjjM mrjj

            Hi
            Is it related to this one?
            https://forum.qt.io/topic/64609/signal-and-slot-passing-data-between-forms/3

            CadNetoC Offline
            CadNetoC Offline
            CadNeto
            wrote on last edited by
            #5

            @mrjj
            Yes....

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            • SGaistS SGaist

              Hi,

              What kind of data do you have in mind ?

              The usual way with Qt is to use signals and slots but it also depends on how you use your dialogs .

              CadNetoC Offline
              CadNetoC Offline
              CadNeto
              wrote on last edited by
              #6

              @SGaist

              I have a Dialog with a TableView.....that contains names.....and I wish open another dialog to edit the selected name when I click a pushbutton 'edit'.

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