how to draw a line to the screen ?

how can i draw a line to the screen ? it is on the screen not on the form. its not something like black screen with a line but its only one line and the screen is normal.i hope you all understand my question and sorry for my english.

please contact me thank you.
Sign In or Register to comment.

Howdy, Stranger!

It looks like you're new here. If you want to get involved, click one of these buttons!