public static void FillGradientHeaderCellRectangle(Rectangle r, Graphics g, DataGridHeaderCellType ctype)
{
if (ctype == DataGridHeaderCellType.Highlight)
{
g.FillRectangle(HighlightBrush, r);
return;
}
Color c1, c2;
if (ctype == DataGridHeaderCellType.Current)
{
c1 = Color.FromArgb(220, 240, 255);
c2 = Color.FromArgb(155, 170, 180);
}
else
{
c1 = Color.FromArgb(255, 255, 255);
c2 = Color.FromArgb(200, 200, 200);
}
using (var lb1 = new LinearGradientBrush(r, c1, c2, System.Drawing.Drawing2D.LinearGradientMode.Vertical))
{
g.FillRectangle(lb1, r);
}
}
public override void PaintRowNumberBackground(DataGridViewCellPaintingEventArgs e, DataGridHeaderCellType ctype)
{
FillGradientHeaderCellRectangle(e.CellBounds, e.Graphics, ctype);
}
public abstract void PaintColumnHeaderBackground(DataGridViewCellPaintingEventArgs e, DataGridHeaderCellType ctype);
public override void PaintColumnHeaderBackground(DataGridViewCellPaintingEventArgs e, DataGridHeaderCellType ctype)
{
e.PaintBackground(e.CellBounds, false);
}
