C# Draw text or line on axwindowsmediaplayer while video is being played -

i'm trying overlay text/shapes on axwindowsmediaplayer in c#. can draw line or text creating graphics axwindowsmediaplayer. line/text disappears when video starts playing. here code

graphics g = axwindowsmediaplayer.creategraphics(); g.drawline(new point(10,10), new point(20,20));