[Motaz Alnuweiri]

وعليكم السلام ورحمة الله

وأنت بخير أخي

تفضل أخي .. إن شاء الله هذا يكون طلبك

كود :

Private Sub Deleted()
    Dim ItemsToDelete As New List(Of Integer)

    For I As Integer = 0 To ListBox1.Items.Count - 1
        For J As Integer = I + 1 To ListBox1.Items.Count - 1
            If Not ItemsToDelete.Contains(J) Then
                If LCase(ListBox1.Items(I)) = LCase(ListBox1.Items(J)) Then
                    ItemsToDelete.Add(J)
                End If
            End If
        Next
    Next

    Dim Count As Integer = 0

    For Each I As Integer In ItemsToDelete
        ListBox2.Items.Add(ListBox1.Items(I - Count))
        ListBox1.Items.RemoveAt(I - Count)

        Count += 1
        lblFileName2.Text = "Deleted: " & Count
    Next
End Sub

مرفق تصحيح الكود