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| Microsoft DirectShow 9.0 |
IDvdControl::ForwardScan
- Note The IDvdControl interface is deprecated. Use IDvdControl2 instread.
Searches forward through the current disc at the specified speed.
Syntax
HRESULT ForwardScan(
double dwSpeed
);
Parameters
dwSpeed
[in] Value that specifies how quickly DirectShow will search through the media file. This value is a multiplier, where 1.0 is the authored speed, so a value of 2.5 will search forward at two and one-half times the authored speed, while a value of 0.5 will search forward at half the authored speed. Note that the actual speed of playback depends on the capabilities of the video decoder, and might differ from the specified rate.
Return Value
Returns an HRESULT value.
Remarks
This method returns an error unless the ___domain is DVD_DOMAIN_VideoManagerMenu, DVD_DOMAIN_VideoTitleSetMenu, or DVD_DOMAIN_Title. For more information, see DVD_DOMAIN.
Requirements
Reference: Dshow.h.
Library: Quartz.dll.
See Also