Inherited control?

I writing some control which inherits textbox control and I have problem: when add myControl to designer text 'myControl1' appears in textbox and I don't want that. I want to have clear textbox. I think question is how to set text property of control (which is inherited from textbox) to string.empty?

regard j

In the constructor of myControl, just after InitializeCom.. use me.text = string.empty