public void copy()
{
PropTimelineClipboardContainer clipContainer = new PropTimelineClipboardContainer();
clipContainer.addActions(timelineView.SelectedData);
clipboard.copyToSourceObject(clipContainer);
}
public void paste()
{
PropTimelineClipboardContainer clipContainer = clipboard.createCopy <PropTimelineClipboardContainer>();
if (clipContainer != null)
{
clipContainer.addActionsToTimeline(propData, this, timelineView.MarkerTime, timelineView.Duration);
}
}