// custom drawing for cells with custom borders
private void _flex_OwnerDrawCell(object sender, C1.Win.C1FlexGrid.OwnerDrawCellEventArgs e)
{
// we only want cells with style set to "Border"
CellStyle s = _flex.GetCellStyle(e.Row, e.Col);
if (s == null || s.Name != "Border")
{
return;
}
// draw cell content as usual
e.DrawCell();
// get custom border widths for this cell
// (depends on neighbor cells)
Margins m = GetBorderMargins(e.Row, e.Col);
// draw custom borders
Rectangle rc;
Graphics g = e.Graphics;
if (m.Top > 0)
{
rc = e.Bounds;
rc.Height = m.Top;
g.FillRectangle(_bdrBrush, rc);
}
if (m.Left > 0)
{
rc = e.Bounds;
rc.Width = m.Left;
g.FillRectangle(_bdrBrush, rc);
}
if (m.Bottom > 0)
{
rc = e.Bounds;
rc.Y = rc.Bottom - m.Bottom;
rc.Height = m.Bottom;
g.FillRectangle(_bdrBrush, rc);
}
if (m.Right > 0)
{
rc = e.Bounds;
rc.X = rc.Right - m.Right;
rc.Width = m.Right;
g.FillRectangle(_bdrBrush, rc);
}
}
