protected override void OnDragDrop(DragEventArgs drgevent)
{
tp_mask.Visible = false;
if (dragTo == DragTo.None)
{
return;
}
var data = drgevent.Data.GetData(typeof(DragData)) as DragData;
if (data == null)
{
return;
}
if (tpanel.TabPages.Count == 1 && data.Id == Id)
{
return;
}
if (dragTo == DragTo.Center)
{
if (data.Id == Id)
{
return;
}
tpanel.TabPages.Add(data.Tab);
tpanel.Visible = true;
if (spanel != null)
{
spanel.Visible = false;
}
}
else
{
if (tpanel.TabPages.Count == 1 && data.Id == Id)
{
return;
}
var tps1 = new List <TabPage>();
var tps2 = new List <TabPage>();
tps1.Add(data.Tab);
tpanel.TabPages.Remove(data.Tab);
tps2.AddRange(tpanel.TabPages.Cast <TabPage>().ToArray());
InitSpanel();
if (dragTo == DragTo.Top || dragTo == DragTo.Left)
{
spanel.SetTabs(tps1.ToArray(), tps2.ToArray());
}
else
{
spanel.SetTabs(tps2.ToArray(), tps1.ToArray());
}
if (dragTo == DragTo.Top || dragTo == DragTo.Bottom)
{
spanel.SetDirection(Orientation.Horizontal);
}
else
{
spanel.SetDirection(Orientation.Vertical);
}
dragTo = DragTo.None;
tpanel.Visible = false;
spanel.Visible = true;
}
data.Source.DropDone();
}
