protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (!this.isLeftButtonDown || !this.IsSelected)
{
return;
}
Point position = e.MouseDevice.GetPosition((IInputElement)null);
if (position == this.previousAbsoluteMousePosition)
{
return;
}
this.previousAbsoluteMousePosition = position;
if (!this.haveMoved)
{
this.haveMoved = true;
ValueEditorUtils.ExecuteCommand((ICommand)this.GetValue(TimelineSlider.SlideBeginCommandProperty), (IInputElement)this, (object)null);
this.autoScrollTimer = TimelineView.CreateAutoScrollTimer();
this.autoScrollTimer.Tick += new EventHandler(this.AutoScrollTimer_Tick);
this.autoScrollTimer.Start();
}
this.Value = this.ComputeValueFromPosition(e.MouseDevice.GetPosition(this.GetReferenceElement()));
ValueEditorUtils.ExecuteCommand((ICommand)this.GetValue(TimelineSlider.SlideCommandProperty), (IInputElement)this, (object)null);
this.BringIntoView(this.viewRect);
}