VB.NET handling multiple forms

Question

I´ve got 2 forms. If I click on a button on the first form I make the second panel popup which works fine. But I just cant seem to add items to the listbox on that other form. Beneath is an example of what I've got so far. Can anyone tell me what I'm doing wrong? Thanks in advance.

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
    Dim Obj As New Form2
    Obj.ShowDialog()
    Form2.ListBox1.Items.Add("dafdfsafd")
End Sub

Perhaps you want Obj.Show()

Kevin DiTraglia
– Kevin DiTraglia

2013-08-01 19:09:31 +00:00
Commented Aug 1, 2013 at 19:09 — Kevin DiTraglia
– Kevin DiTraglia, Commented Aug 1, 2013 at 19:09

Reed Copsey · Accepted Answer · 2013-08-01 19:09:29Z

3

If you want to add items to the other form's ListBox1, you'd need to use the instance you create:

Dim Obj As New Form2
Obj.ListBox1.Items.Add("dafdfsafd")
Obj.ShowDialog()

You'll also need to add the items before calling ShowDialog, or use Show (which doesn't block) instead.

Note that this will require ListBox1 to be Public on Form2.

answered Aug 1, 2013 at 19:09

Reed Copsey

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1 Comment

Jan met de korte Achternaam Over a year ago

Thanks a lot! I feel so stupid now as the answer was so obvious.

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