How to add Time value in Excel VBA

How to add Time value in Excel VBA

I want to add Time value in excel vba.
Label1.caption= TextBox1.Value + TimeValue("14:30:00")
where i will give the timevalue to textbox1 and click the submit button,
The label1 must show the added time value of textbox1 and
timevalue("14:30:00").
Please help me...