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Dim kForm As Form
Dim kformExistiert As Boolean = False
For Each kForm In Me.MdiChildren
If Not TypeName(kForm) = "MDIForm" Then
If kForm.Name = "frmKunden" Then
'' Es gibt mind. 1 geöffnetes Browser-Fenster
kForm.Activate()
kformExistiert = True
End If
End If
Next
If Not kformExistiert Then
kForm = New frmKunden
kForm.MdiParent = Me
kForm.Show()
End If
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