DevExpress GridControl 单元格添加进度条(ProgressBar)

 1  public void DrawProgressBar(DevExpress.XtraGrid.Views.Base.RowCellCustomDrawEventArgs e)
 2         {
 3             string s = e.CellValue as string;
 4              s = s.Substring(0, e.CellValue.ToString().Length - 1);
 5              decimal percent = Convert.ToDecimal(s); 
 6             int width = (int)(100 * Math.Abs(percent /100 ) * e.Bounds.Width / 100);
 7             Rectangle rect = new Rectangle(e.Bounds.X, e.Bounds.Y, width, e.Bounds.Height);
 8             Brush b = Brushes.Green;
 9             if (percent < 50)
10             {
11                 b = Brushes.Red;
12             }
13             e.Graphics.FillRectangle(b, rect);
14         }

 1  private void gridView1_CustomDrawCell(object sender, DevExpress.XtraGrid.Views.Base.RowCellCustomDrawEventArgs e)
 2         {
 3             if (e.Column.FieldName == "CLASSPACE")
 4             {
 5                 DrawProgressBar(e);
 6 
 7                 e.Handled = true;
 8 
 9                 DrawEditor(e); 
10             } 
11         }

 1   private void DrawEditor(DevExpress.XtraGrid.Views.Base.RowCellCustomDrawEventArgs e)
 2         {
 3             GridCellInfo cell = e.Cell as GridCellInfo;
 4             Point offset = cell.CellValueRect.Location;
 5             BaseEditPainter pb = cell.ViewInfo.Painter as BaseEditPainter;
 6             AppearanceObject style = cell.ViewInfo.PaintAppearance;
 7             if (!offset.IsEmpty)
 8                 cell.ViewInfo.Offset(offset.X, offset.Y);
 9             try
10             {
11                 pb.Draw(new ControlGraphicsInfoArgs(cell.ViewInfo, e.Cache, cell.Bounds));
12             }
13             finally
14             {
15                 if(!offset.IsEmpty)
16                 {
17                     cell.ViewInfo.Offset(-offset.X, -offset.Y);
18                 }
19             }
20         }