Hi Bill,

All the above code was copied from Program.cs". There was a "new Form1" to initialize the form, and, button1_Click(...) was in it. Is this what you said?
Was I miss something? Could you show me how to do it by writing some code for me?

TIA,
Ben


>I note that you have the main method in the form.
>When I create a winform app, the main method is automatically created in program.cs, which instantiates and executes the form.