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namespace dshow.Core
{
using System;
using System.Runtime.InteropServices;
// IVideoFrameStep interface
//
[ComImport,
Guid("E46A9787-2B71-444D-A4B5-1FAB7B708D6A"),
InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
internal interface IVideoFrameStep
{
// Causes the filter graph to step forward by the
// specified number of frames
[PreserveSig]
int Step(
int dwFrames,
[In, MarshalAs(UnmanagedType.IUnknown)] object pStepObject);
// Determines the stepping capabilities of the specified filter
[PreserveSig]
int CanStep(
int bMultiple,
[In, MarshalAs(UnmanagedType.IUnknown)] object pStepObject);
// Cancels the previous step operation
[PreserveSig]
int CancelStep();
}
}
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