c# - method to check if form is full screen? -

how write method detects if form full screen or not , if not make full screen? has take place @ form load.

this method works in fullscreentoolstripmenuitem_click event

class fullscreen { public void enterfullscreenmode(form targetform) {     targetform.windowstate = formwindowstate.normal;     targetform.formborderstyle = formborderstyle.none;     targetform.windowstate = formwindowstate.maximized; }  public void leavefullscreenmode(form targetform) {     targetform.formborderstyle = system.windows.forms.formborderstyle.sizable;     targetform.windowstate = formwindowstate.normal; } 

}

it possible windowstate set after load event , therefore overrides set be, try setting on form.shown event.