Private Sub Label3_Click()
Dim TBx As MSForms.TextBox, P&, L&
On Error Resume Next
Set TBx = Me.ActiveControl
If Err Then Exit Sub
P = TBx.SelStart
L = TBx.SelLength
TBx.Text = Left$(TBx.Text, P) & "<u>" & Mid$(TBx.Text, _
P + 1, L) & "</u>" & Mid$(TBx.Text, P + 1 + L)
End Sub