Could I display something(i.e information, date...) on video which is recorded from somewhere?

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C#

Now I have problem programming about display string on video.I mean (AxLIVEXLib.AxLiveX). After I view video on it which is recorded from somewhere. and I want to display something on this video. I tried many ways to do it,but nothing. Finally I need your help. Could anybody help me out?, is it possible to do that?

I will appreciate you all much if you could help me out :)

and this is my code

private void axLiveX1_OnGetPicture_1(object sender, AxLIVEXLib._DLiveXEvents_OnGetPictureEvent e)
{
    axLiveX1.SetToolTipX("Hello World");
    axLiveX1.ShowTipMessage(true);
}

this is my image and code about that http://www.mediafire.com/download/zipi9nmjvg5i9w0/And_this_is_my_code.rar