HEYYYYY
i found a solution for it my self
The Bassvideo_setposition Works
Declare Function BassVideo_SetPosition Lib "BassVideo.dll" (ByVal handle As Long, ByVal pos As Currency) As Long
http://support.microsoft.com/kb/189862read this .... But see REFERENCES ( on the bottom of the page)
u will see "For additional information on using Currency to pass 64-bit values to Windows API calls"