How can I remove the blue border that\'s on top of the Window Form? (I don\'t know the name of it exactly.)
if by Blue Border thats on top of the Window Form you mean titlebar, set Forms ControlBox property to false and Text property to empty string ("").
Blue Border thats on top of the Window Form
ControlBox
false
Text
here's a snippet:
this.ControlBox = false; this.Text = String.Empty;