FlashPlayer music does'nt stop

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WPF

Hi
I'm playing a flash file (swf) in my program and used this link to do it in wpf (using AxFlashObject instead of wmplayer).

Everything is fine except when i close the window that contains the flash player, the music of the flash is still on! it only turns off when i close the main window of my program. I've tried Stop(), StopPlay() functions but non of them worked.

any help?

thank you