コード例 #1
0
    } // end of function


      


    void ShowCross(XYScatterPointInformation scatterPoint)
    {
      
      this._PlotIndex = scatterPoint.PlotIndex;
      this._RowIndex = scatterPoint.RowIndex;
      // convert this layer coordinates first to PrintableAreaCoordinates
      PointF printableCoord = _grac.GC.Layers[this._LayerNumber].LayerToGraphCoordinates(scatterPoint.LayerCoordinates);
      m_Cross = printableCoord;
			// m_Cross.X -= _grac.GraphViewOffset.X;
			// m_Cross.Y -= _grac.GraphViewOffset.Y;
           
      PointF newPixelCoord = _grac.WinFormsController.PrintableAreaToPixelCoordinates(printableCoord);
      //Cursor.Position = new Point((int)(Cursor.Position.X + newPixelCoord.X - mouseXY.X),(int)(Cursor.Position.Y + newPixelCoord.Y - mouseXY.Y));
      //Cursor.Position = ((Control)_grac.View).PointToScreen(newPixelCoord);
          
   

      this.DisplayData(m_PlotItem,scatterPoint.RowIndex,
        m_PlotItem.XYColumnPlotData.XColumn[scatterPoint.RowIndex],
        m_PlotItem.XYColumnPlotData.YColumn[scatterPoint.RowIndex]);


          
      // here we shoud switch the bitmap cache mode on and link us with the AfterPaint event
      // of the grac
      _grac.WinFormsController.RepaintGraphArea(); // no refresh necessary, only invalidate to show the cross
       
    }
コード例 #2
0
		} // end of function

		private void ShowCross(XYScatterPointInformation scatterPoint)
		{
			this._PlotIndex = scatterPoint.PlotIndex;
			this._RowIndex = scatterPoint.RowIndex;
			// convert this layer coordinates first to PrintableAreaCoordinates
			var rootLayerCoord = _layer.TransformCoordinatesFromHereToRoot(scatterPoint.LayerCoordinates);
			_positionOfCrossInRootLayerCoordinates = rootLayerCoord;
			// m_Cross.X -= _grac.GraphViewOffset.X;
			// m_Cross.Y -= _grac.GraphViewOffset.Y;

			var newPixelCoord = _grac.ConvertGraphToMouseCoordinates(rootLayerCoord);
			//Cursor.Position = new Point((int)(Cursor.Position.X + newPixelCoord.X - mouseXY.X),(int)(Cursor.Position.Y + newPixelCoord.Y - mouseXY.Y));
			//Cursor.Position = ((Control)_grac.View).PointToScreen(newPixelCoord);

			this.DisplayData(_PlotItem, scatterPoint.RowIndex,
				_PlotItem.XYColumnPlotData.XColumn[scatterPoint.RowIndex],
				_PlotItem.XYColumnPlotData.YColumn[scatterPoint.RowIndex]);

			// here we shoud switch the bitmap cache mode on and link us with the AfterPaint event
			// of the grac
			_grac.RenderOverlay(); // no refresh necessary, only invalidate to show the cross
		}