protected override void OnMouseMove(MouseEventArgs e)
{
FpSpread MyCell = Parent as FpSpread;
Rectangle RowHeaderRectangle = MyCell.GetRowHeaderRectangle(0);
Rectangle ColumnHeaderRectangle = MyCell.GetColumnHeaderRectangle(0);
Point point = new Point(this.Left + RowHeaderRectangle.Width, this.Top + ColumnHeaderRectangle.Height);
CellRange range = MyCell.GetCellFromPixel(0, 0, point.X, point.Y);
Rectangle r = MyCell.GetCellRectangle(0, 0, range.Row, range.Column);
setRow(range.Row);
setColumn(range.Column);
setLeftDistance(point.X - r.Left);
setTopDistance(point.Y - r.Top);
base.OnMouseMove(e);
}
