Suchen in einer ListBox

Private Sub TextBox1_KeyDown(ByVal KeyCode As MSForms.ReturnInteger, ByVal Shift As Integer)
If KeyCode = 13 Then
Dim liSuche As Integer, liMsg As Integer, liSuche1 As Integer
For liSuche = 0 To ListBox1.ListCount - 1
For liSuche1 = 0 To ListBox1.ColumnCount - 1
If InStr(1, ListBox1.Column(liSuche1, liSuche), TextBox1.Text) > 0 Then
ListBox1.ListIndex = liSuche
liMsg = MsgBox("Weitersuchen?", vbQuestion + vbYesNo)
If liMsg = vbNo Then Exit Sub
End If
Next
Next
End If
End Sub