protected virtual object StartItemDrag(SideTabItem draggedItem)
{
SpecialDataObject dataObject = new SpecialDataObject();
dataObject.SetData(draggedItem.Tag);
dataObject.SetData(draggedItem);
return(dataObject);
}
protected override void OnMouseMove(MouseEventArgs e)
{
base.OnMouseMove(e);
if (e.Button == MouseButtons.Left)
{
SideTabItem item = sideBar.activeTab.GetItemAt(e.X, e.Y);
if (item != null)
{
if (IsDragStarted(mouseDownPos, e.Location))
{
sideBar.Tabs.DragOverTab = sideBar.activeTab;
SpecialDataObject dataObject = new SpecialDataObject();
dataObject.SetData(item.Tag);
dataObject.SetData(item);
DoDragDrop(dataObject, sideBar.activeTab.CanDragDrop ? DragDropEffects.All : (DragDropEffects.Copy | DragDropEffects.None));
}
Refresh();
}
}
else
{
SideTabItem oldItem = sideBar.activeTab.SelectedItem;
sideBar.activeTab.SelectedItem = null;
mousePosition = new Point(e.X, e.Y);
SideTabItem item = sideBar.activeTab.GetItemAt(e.X, e.Y);
if (item != null)
{
sideBar.activeTab.SelectedItem = item;
}
if (oldItem != sideBar.activeTab.SelectedItem)
{
sideBar.Refresh();
}
}
}