public static SharpDX.Direct2D1.LinearGradientBrush BrushToGradient(SharpDX.Direct2D1.RenderTarget renderTarget, Brush brush1, double transparency1, Brush brush2, double transparency2, float x1, float y1, float x2, float y2)
        {
            SharpDX.Direct2D1.Brush DXbrush1=null;
            SharpDX.Direct2D1.Brush DXbrush2 = null;
            SharpDX.Direct2D1.LinearGradientBrush linearGradientBrush = null;
            SharpDX.Direct2D1.GradientStopCollection gradientStopCollection = null;
            try
            {
                DXbrush1 = brush1.ToDxBrush(renderTarget);
                DXbrush2 = brush2.ToDxBrush(renderTarget);
                SharpDX.Direct2D1.SolidColorBrush dxbrush1a = (SharpDX.Direct2D1.SolidColorBrush)DXbrush1;
                SharpDX.Direct2D1.SolidColorBrush dxbrush2a = (SharpDX.Direct2D1.SolidColorBrush)DXbrush2;
                SharpDX.Color highCol = (SharpDX.Color)dxbrush1a.Color; highCol.A = (byte)(transparency1 / 100 * 255);   //opacity should be 1-100
                SharpDX.Color lowCol = (SharpDX.Color)dxbrush2a.Color; lowCol.A = (byte)(transparency2 / 100 * 255);
                DXbrush1.Dispose();
                DXbrush2.Dispose();
                dxbrush1a.Dispose();
                dxbrush2a.Dispose();
                //this method ---->  new SharpDX.Color4(col.R, col.G, col.B, col.A / 255); --- faults absolutely !!!
                gradientStopCollection = new SharpDX.Direct2D1.GradientStopCollection(renderTarget, new SharpDX.Direct2D1.GradientStop[]
                {
                    new SharpDX.Direct2D1.GradientStop() { Color = highCol, Position = 0},
                    new SharpDX.Direct2D1.GradientStop() { Color = lowCol,  Position = 1}
                });
                linearGradientBrush = new SharpDX.Direct2D1.LinearGradientBrush(renderTarget,
                    new SharpDX.Direct2D1.LinearGradientBrushProperties()
                    {
                        StartPoint = new SharpDX.Vector2(x1, y1),
                        EndPoint = new SharpDX.Vector2(x2, y2),
                    },
                    gradientStopCollection
                );
                gradientStopCollection.Dispose();
                return linearGradientBrush;
            }
            catch  { }
            finally
            {
                if (DXbrush1 !=null) DXbrush1.Dispose();
                if (DXbrush2 != null) DXbrush2.Dispose();
                //if (linearGradientBrush != null) linearGradientBrush.Dispose();
                if (gradientStopCollection != null) gradientStopCollection.Dispose();
            }
            return null;
        }

        public static void fillGeometry(SharpDX.Direct2D1.RenderTarget renderTarget, SharpDX.Direct2D1.Brush dxBrush, SharpDX.Vector2 startvector, SharpDX.Vector2[] vectors)
        {
            SharpDX.Direct2D1.PathGeometry geo1 = null;
            SharpDX.Direct2D1.GeometrySink sink1 =null;
            try {
                geo1 = new SharpDX.Direct2D1.PathGeometry(NinjaTrader.Core.Globals.D2DFactory);
                sink1 = geo1.Open();
                sink1.BeginFigure(startvector, SharpDX.Direct2D1.FigureBegin.Filled);
                sink1.AddLines(vectors);
                sink1.EndFigure(SharpDX.Direct2D1.FigureEnd.Closed);
                sink1.Close();
                //RenderTarget.DrawGeometry(geo1, brush);
                renderTarget.FillGeometry(geo1, dxBrush);
            }
            catch  { }
            finally
            {
                if (geo1 !=null) geo1.Dispose();
                if (sink1 !=null) sink1.Dispose();
            }
        }