CADSoftTools

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		private void btnAddHatchOnEllipsePoints_Click(object sender, System.EventArgs e)
		{
			if(this.cadImage == null)
			{
				this.cadImage = new CADImage();
				this.cadImage.InitialNewImage();
				this.cadImage.UseDoubleBuffering = false;
			}
			this.cadImage.UseDoubleBuffering = false;
			int entCount = this.cadImage.Converter.GetCounts(CADImport.FaceModule.ConvSection.Entities);

			for(int i=0;i<entCount;i++)
			{
				if(this.cadImage.Converter.GetSection(CADImport.FaceModule.ConvSection.Entities).Entities[i] is
					CADEllipse)
				{
					CADEllipse entEllipse =
						(CADEllipse)this.cadImage.Converter.GetSection(CADImport.FaceModule.ConvSection.Entities).Entities[i];

					CADHatch Hatch = new CADHatch();

					Hatch.HatchName = "ANSI31";					
					CAD2DBoundaryList v2DBList = new CAD2DBoundaryList();
					v2DBList.BoundaryType = 7;// Polyline type
					Hatch.BoundaryData.Add(v2DBList);
					CAD2DPolyline v2DPolyline = new CAD2DPolyline();
					v2DBList.Add(v2DPolyline);

					CAD2DPoint ent2DPoint;
					DPoint Point;
					for(int j=0;j<entEllipse.PolyPoints.Count;j++)
					{
						Point = (DPoint)entEllipse.PolyPoints[j];
						ent2DPoint = new CAD2DPoint(Point.X,Point.Y);
						v2DPolyline.Vertexes.Add(ent2DPoint); 
					}

					v2DPolyline.Closed = true;

					Hatch.Color = Color.Azure;
					HatchPatternData vHPData = new HatchPatternData();

					vHPData.baseP = new DPoint(0, 0, 0);
					vHPData.offset = new DPoint(300, 300, 0);
					vHPData.lineAngle = 40.0f;
					vHPData.isDash = false;
					vHPData.lines = null;
					vHPData.dashNum = 0;
					Hatch.HatchPatternData.Add(vHPData);
					Hatch.Loaded(this.cadImage.Converter);
					this.cadImage.CurrentLayout.Entities.Add(Hatch);
					this.cadImage.Converter.OnCreate(Hatch);					
				}
			}
			this.ResizeLayout();			
		}