public Grid GetMainGrid(netDxf.DxfDocument dxfFile, bool avecGrille, bool avecOrigine, Color bgColor)
        {
            mainCanvas.Children.Clear();
            DrawEntities.RazMaxDim();
            DrawEntities.AddNewMaxDim();


            mainGrid.HorizontalAlignment = HorizontalAlignment.Stretch;
            mainGrid.VerticalAlignment   = VerticalAlignment.Stretch;
            mainGrid.Background          = new SolidColorBrush(bgColor);

            border.Height     = GridHeight;
            border.Width      = GridWidth;
            border.Background = new SolidColorBrush(bgColor);


            mainCanvas.Name = "mainCanvas";
            if (DxfDoc.DrawingVariables.AcadVer < netDxf.Header.DxfVersion.AutoCad2000)
            {
                DrawUtils.DrawText("Le format du fichier doit être dxf2000 ou supérieur.", 10, Colors.Red, 20, 50, mainCanvas);
            }
            GetCanvas(DxfDoc, mainCanvas);

            if (avecOrigine == true)
            {
                DrawEntities.AddNewMaxDim();
                DrawUtils.DrawOrigin(mainCanvas);
                DrawEntities.DeleteLastMaxDim();
            }

            if (avecGrille == true)
            {
                Canvas bgCanvas = new Canvas();
                if (border.Child == null)
                {
                    bgCanvas = CreateBgCanvas();
                    bgCanvas.Children.Add(mainCanvas);

                    border.Child = bgCanvas;
                }
            }
            else
            {
                border.Child = mainCanvas;
            }

            Canvas.SetTop(mainCanvas, GridHeight / 2);
            Canvas.SetLeft(mainCanvas, GridWidth / 2);

            //border.Reset(GridHeight,GridWidth,true,ViewHeight,ViewWidth,WinHeight,WinWidth);



            if (mainGrid.Children.Count == 0)
            {
                mainGrid.Children.Add(border);
            }

            return(mainGrid);
        }
 /*Draw Underlay*/
 public static void DrawUnderlay(Underlay xUnderlay, Canvas mainCanvas)
 {
     /*DrawUtils.DrawPoint(xUnderlay.Position, mainCanvas, Colors.Red, 10, 0.5);*/
     DrawUtils.DrawText(xUnderlay.Definition.FileName, 10, TypeConverter.ToMediaColor(xUnderlay.getColor().ToColor()), xUnderlay.Position.X, xUnderlay.Position.Y + 20, mainCanvas);
 }