public bool Remove(TimelineMarker marker)
{
DebugHelper.AssertUIThread();
Debug.Assert(this.Points != null);
bool result = false;
if (marker == null)
{
throw new ArgumentNullException("marker");
}
KStudioWritableEventFile file = this.Source as KStudioWritableEventFile;
if (file != null)
{
if (this.Points.Remove(marker))
{
result = true;
file.Markers.Remove(marker.Marker);
file.FlushIndex();
}
}
return(result);
}
public void RemoveAll()
{
DebugHelper.AssertUIThread();
Debug.Assert(this.Points != null);
KStudioWritableEventFile file = this.Source as KStudioWritableEventFile;
if ((file != null) && (this.Points.Count > 0))
{
file.Markers.Clear();
this.Points.Clear();
this.IsDirty = true;
file.FlushIndex();
}
}
public TimelineMarker AddAt(TimeSpan relativeTime, string markerName)
{
DebugHelper.AssertUIThread();
Debug.Assert(this.Points != null);
TimelineMarker markerProxy = null;
KStudioWritableEventFile file = this.Source as KStudioWritableEventFile;
if (file != null)
{
KStudioMarker marker = file.Markers.Add(markerName, relativeTime);
if (marker != null)
{
markerProxy = new TimelineMarker(this, relativeTime, marker);
this.Points.Add(markerProxy);
}
file.FlushIndex();
}
return(markerProxy);
}