how use sami (smi) subtitle file in axWindowsMediaPlayer winforms by C#

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C#

WinForms

Hello every body

I have a problem with using sami caption in axWindowsMediaPlayer;
how can I use it?

I used
axWindowsMediaPlayer1.closedCaption.SAMIFileName="FileNameAddress";

and

axWindowsMediaPlayer1.ShowPropertyPages();//and select sami file

but in both ways the subtitle is not shown in my axWindowsMediaPlayer1 control;
please help me for solving this problem