protected override void OnMouseMove(MouseEventArgs e)
{
AdvTree tree = GetTree();
Point p = GetLayoutPosition(tree.Zoom, e.X, e.Y);
ColumnHeader ch = tree.GetColumnAt(p.X, p.Y, _Columns);
if (_MouseOverColumnHeader != ch)
{
if (_MouseOverColumnHeader != null)
_MouseOverColumnHeader.InternalMouseLeave(e);
_MouseOverColumnHeader = ch;
if (_MouseOverColumnHeader != null)
{
_MouseOverColumnHeader.InternalMouseEnter(e);
Interop.WinApi.ResetHover(this);
}
}
if (ch != null)
{
ch.InternalMouseMove(e);
}
if (e.Button == MouseButtons.Left && _MouseDownHeader != null && tree.AllowUserToReorderColumns && (Math.Abs(_MouseDownPoint.X-e.X)>1))
{
tree.StartColumnReorder(p.X, p.Y);
return;
}
if (tree == null || e.Button != MouseButtons.None || !tree.AllowUserToResizeColumns) return;
if (tree.CanResizeColumnAt(p.X, p.Y))
{
if (_OldCursor == null)
{
_OldCursor = this.Cursor;
this.Cursor = Cursors.VSplit;
}
}
else
{
ReleaseCursor();
}
base.OnMouseMove(e);
}
