Help to get a window to lock focus

i think u want something which display at the top of every form and until it get close; user can't able to click on any other form. Something like Screen Locker.

Here is code
u have to add a timer with a very low interval which displays u r from on top most after every specified time.

on form load

this.WindowState = FormWindowState.Maximized;

and in timer tick event write the following code

this.TopMost = true;


this will lock u r entire screen until u unload(close ) the top most form. (Screen Locker).
plz rate ans and rply for any further help.
khaliljkazi@gmail.com