Disappearing Listbox items...

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  • Kevin
    #1

    Disappearing Listbox items...

    I'm using an ActiveX Listbox control in my Windows Forms program. I
    can load the listbox and have it work fine on one of my forms. But
    when I add the line:

    Me.MDIParent = frmMain

    the form appears with the items invisible. The scrollbar shows that
    the items are in the listbox--I just can't see any of them.

    If I comment out the above line, the items appear normally.

    Has anyone else experienced this bug?
    Tags: None
    • Cor Ligthert [MVP]
      #2
      Re: Disappearing Listbox items...

      Kevin,

      I think that few people can trace this this problem.

      In my idea is normal code to create a mdichild from a mdiform by

      dim mychild as new whateverform
      mychild.MDIPare nt = me

      Cor


      "Kevin" <Kevinp@nospam. cfl.rr.comschre ef in bericht
      news:g040c2tpg7 f7u216apbego4e3 5t8ddlgks@4ax.c om...
      I'm using an ActiveX Listbox control in my Windows Forms program. I
      can load the listbox and have it work fine on one of my forms. But
      when I add the line:
      >
      Me.MDIParent = frmMain
      >
      the form appears with the items invisible. The scrollbar shows that
      the items are in the listbox--I just can't see any of them.
      >
      If I comment out the above line, the items appear normally.
      >
      Has anyone else experienced this bug?

        Comment

        • Herfried K. Wagner [MVP]
          #3
          Re: Disappearing Listbox items...

          "Kevin" <Kevinp@nospam. cfl.rr.comschri eb:
          I'm using an ActiveX Listbox control in my Windows Forms program.
          I am curious why you are not using .NET's listbox control.

          --
          M S Herfried K. Wagner
          M V P <URL:http://dotnet.mvps.org/>
          V B <URL:http://classicvb.org/petition/>

            Comment

            • Kevin
              #4
              Re: Disappearing Listbox items... - Disappearing Items.jpg (0/1)

              Because I need to be able to change the background color of each
              individual item.

              I tried using the Listview control and I get the same problem only
              this time it doesn't matter if the form is a child form.

              The scrollbar shows the items are there, they're just not visible (see
              attached picture).



              On Fri, 21 Jul 2006 11:39:49 +0200, "Herfried K. Wagner [MVP]"
              <hirf-spam-me-here@gmx.atwrot e:
              >"Kevin" <Kevinp@nospam. cfl.rr.comschri eb:
              >I'm using an ActiveX Listbox control in my Windows Forms program.
              >
              >I am curious why you are not using .NET's listbox control.

                Comment

                • Kevin
                  #5
                  Re: Disappearing Listbox items...

                  ....I meant also that I need checkboxes. I'd like to use the
                  CheckedListbox control, but I need to be able to change the background
                  color of each item. I know I can do that with an "owner drawn"
                  listbox, but the checkedlistbox doesn't support this.


                  On Fri, 21 Jul 2006 11:39:49 +0200, "Herfried K. Wagner [MVP]"
                  <hirf-spam-me-here@gmx.atwrot e:
                  >"Kevin" <Kevinp@nospam. cfl.rr.comschri eb:
                  >I'm using an ActiveX Listbox control in my Windows Forms program.
                  >
                  >I am curious why you are not using .NET's listbox control.

                    Comment

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