Microsoft DirectX 8.0

IAMTimelineVirtualTrack Interface

Provides methods for working with virtual tracks in Microsoft® DirectShow® Editing Services (DES). Compositions and tracks support this interface.

Requirements

Requires Qedit.h.

Methods in Vtable Order

IUnknown methodsDescription
QueryInterfaceRetrieves pointers to supported interfaces.
AddRefIncrements the reference count.
ReleaseDecrements the reference count.
IAMTimelineVirtualTrack MethodsDescription
TrackGetPriorityRetrieves the object's priority level.
SetTrackDirtyNot supported.

IAMTimelineVirtualTrack::SetTrackDirty

IAMTimelineVirtualTrack Interface

Not supported.

Syntax

HRESULT SetTrackDirty( void );

IAMTimelineVirtualTrack::TrackGetPriority

IAMTimelineVirtualTrack Interface

Retrieves the object's priority level.

Syntax

HRESULT TrackGetPriority(
    long *pPriority
);

Parameters

pPriority
Pointer to a variable that receives the priority level. If the object is not part of a timeline, the value is set to –1.

Return Value

Returns S_OK if successful, or E_POINTER otherwise.