public ReorderColumnState(TreeViewAdv tree, TreeColumn column, Point initialMouseLocation)
: base(tree, column)
{
_location=new Point(initialMouseLocation.X+Tree.OffsetX, 0);
_dragOffset=tree.GetColumnX(column)-initialMouseLocation.X;
_ghostImage=column.CreateGhostImage(new Rectangle(0, 0, column.Width, tree.ColumnHeaderHeight), tree.Font);
}
