protected override void OnPreviewDragOver(RadDragOverEventArgs e)
{
GanttGraphicalViewBaseTaskElement context = this.Context as GanttGraphicalViewBaseTaskElement;
if (context != null)
{
e.CanDrop = context.Parent == e.HitTarget;
}
base.OnPreviewDragOver(e);
}
protected override void CreateChildElements()
{
base.CreateChildElements();
this.taskElement = this.CreateTaskElement();
this.leftLinkHandleElement = this.CreateLeftHandleElement();
this.rightLinkHandleElement = this.CreateRightHandleElement();
this.Children.Add((RadElement)this.taskElement);
this.Children.Add((RadElement)this.leftLinkHandleElement);
this.Children.Add((RadElement)this.rightLinkHandleElement);
}
protected override void OnStarting(RadServiceStartingEventArgs e)
{
GanttGraphicalViewBaseTaskElement context = e.Context as GanttGraphicalViewBaseTaskElement;
if (context != null)
{
this.location = context.PointToScreen(context.Location);
this.location.Y += context.Size.Height / 2;
}
base.OnStarting(e);
}
protected override bool PrepareContext()
{
bool flag = base.PrepareContext();
GanttGraphicalViewBaseTaskElement context = this.Context as GanttGraphicalViewBaseTaskElement;
if (context != null)
{
this.xOutlineFormOffset = context.PointFromScreen(this.beginPoint.Value).X;
}
return(flag);
}