how to make so that Form2 when you click on Button1 not opened for the second time?
- by Saska
I have the code:
private void Button1_Click (object sender, EventArgs e)
(
Form2 f2 = new Form2 ();
f2.Show ();
)
how to make so that Form2 when you click on Button1 not opened for the second time, if it is open?
sorry for bad english
