System.Windows.Forms.ThemeWin32Classic.DataGridPaintColumnHeader C# (CSharp) Method

		public override void DataGridPaintColumnHeader (Graphics g, Rectangle bounds, DataGrid grid, int col)
		{
			// Background
			g.FillRectangle (ResPool.GetSolidBrush (grid.CurrentTableStyle.HeaderBackColor), bounds);

			// Paint Borders
			if (!grid.FlatMode) {
				g.DrawLine (ResPool.GetPen (ColorControlLightLight),
					bounds.X, bounds.Y, bounds.X + bounds.Width, bounds.Y);
				
				if (col == 0) {
					g.DrawLine (ResPool.GetPen (ColorControlLightLight),
						bounds.X, bounds.Y, bounds.X, bounds.Y + bounds.Height);
				} else {
					g.DrawLine (ResPool.GetPen (ColorControlLightLight),
						bounds.X, bounds.Y + 2, bounds.X, bounds.Y + bounds.Height - 3);
				}
				
				if (col == (grid.VisibleColumnCount -1)) {
					g.DrawLine (ResPool.GetPen (ColorControlDark),
						bounds.X + bounds.Width - 1, bounds.Y, 
						bounds.X + bounds.Width - 1, bounds.Y + bounds.Height);
				} else {
					g.DrawLine (ResPool.GetPen (ColorControlDark),
						bounds.X + bounds.Width - 1, bounds.Y + 2, 
						bounds.X + bounds.Width - 1, bounds.Y + bounds.Height - 3);
				}

				g.DrawLine (ResPool.GetPen (ColorControlDark),
					bounds.X, bounds.Y + bounds.Height - 1, 
					bounds.X + bounds.Width, bounds.Y + bounds.Height - 1);
			}

			bounds.X += 2;
			bounds.Width -= 2;

			DataGridColumnStyle style = grid.CurrentTableStyle.GridColumnStyles[col];

			if (style.ArrowDrawingMode != DataGridColumnStyle.ArrowDrawing.No)
				bounds.Width -= 16;

			// Caption
			StringFormat format = new StringFormat ();
			format.FormatFlags |= StringFormatFlags.NoWrap;
			format.LineAlignment = StringAlignment.Center;
			format.Trimming = StringTrimming.Character;

			g.DrawString (style.HeaderText, grid.CurrentTableStyle.HeaderFont, 
				ResPool.GetSolidBrush (grid.CurrentTableStyle.CurrentHeaderForeColor), 
				bounds, format);

			// Arrow (6 x 6)
			if (style.ArrowDrawingMode != DataGridColumnStyle.ArrowDrawing.No) {
				Point pnt = new Point (bounds.X + bounds.Width + 4, bounds.Y + ((bounds.Height - 6)/2));
				
				if (style.ArrowDrawingMode == DataGridColumnStyle.ArrowDrawing.Ascending) {
					g.DrawLine (SystemPens.ControlLightLight, pnt.X + 6, pnt.Y + 6, pnt.X + 3, pnt.Y);
					g.DrawLine (SystemPens.ControlDark, pnt.X, pnt.Y + 6, pnt.X + 6, pnt.Y + 6);
					g.DrawLine (SystemPens.ControlDark, pnt.X, pnt.Y + 6, pnt.X + 3, pnt.Y);
				} else {
					g.DrawLine (SystemPens.ControlLightLight, pnt.X + 6, pnt.Y, pnt.X + 3, pnt.Y + 6);
					g.DrawLine (SystemPens.ControlDark, pnt.X, pnt.Y, pnt.X + 6, pnt.Y);
					g.DrawLine (SystemPens.ControlDark, pnt.X, pnt.Y, pnt.X + 3, pnt.Y + 6);
				}
			}
		}