也没有C＃中的扩展方法

也没有C＃中的扩展方法

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对象不包含getelementbyname的定义，也没有C＃中的扩展方法

本文介绍了对象不包含getelementbyname的定义，也没有C＃中的扩展方法的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述 29岁程序员，3月因学历无情被辞！ <预> 使用System;使用System.Drawing ; 使用System.Drawing.Drawing2D; 使用System.Text; 使用System.Windows.Forms; 名称空间MindFusion.Gauges.WinForms.Samples.CS.CarGauges { public partial class MainForm：Form { public MainForm （） { InitializeComponent（）; //添加燃料比例指标 fuelIndicator = new Indicator（）; fuelIndicator.Margin =新厚度（0.47f，0.85f，0.47f，0.09f）; CustomInterval state = new CustomInterval（）; state.MinValue = 0; state.MaxValue = 20; state.Fill = new MindFusion.Drawing.SolidBrush（Color.Red）; state.Stroke = new MindFusion.Drawing.Pen（Color.White，0）; state.Foreground = Color.Red; fuelIndicator.States.Add（state）; OvalScale fuelScale = speedometer.GetElementByName（FuelScale）as OvalScale; fuelScale.ScaleChildren.Add（fuelIndicator）; //添加电池和油文本文本text1 = new Text（）; text1.Content =Volt; text1.FontFamily =Verdana; text1.FontSize = new Length（25，LengthType.Relative）; text1.FontStyle = FontStyle.Bold; text1.Alignment = StringAlignment.Center; text1.LineAlignment = StringAlignment.Center; text1.Foreground = Color.White; text1.Margin = new Thickness（0.3f，0.3f，0.3f，0.3f）; OvalScale batteryScale = batteryMeter.GetElementByName（BatteryScale）as OvalScale; batteryScale.ScaleChildren.Add（text1）; Text text2 = new Text（）; text2.Content =Oil; text2.FontFamily =Verdana; text2.FontSize = new Length（25，LengthType.Relative）; text2.FontStyle = FontStyle.Bold; text2.Alignment = StringAlignment.Center; text2.LineAlignment = StringAlignment.Center; text2.Foreground = Color.White; text2.Margin = new Thickness（0.3f，0.3f，0.3f，0.3f）; OvalScale oilScale = oilMeter.GetElementByName（OilScale）as OvalScale; oilScale.ScaleChildren.Add（text2）; //添加一些事件处理程序 fuelScale.QueryLabelValue + = fuelScale_QueryLabelValue; 指针gasPointer = speedometer.GetElementByName（GasPointer）作为指针; gasPointer.ValueChanged + = gasPointer_ValueChanged; } private void gasPointer_ValueChanged（object sender，ValueChangedEventArgs< float> e） { fuelIndicator.Value = e.NewValue; } 私人指标fuelIndicator; 私人物体速度计; 私人物品电池表; 私人物品oilMeter; 私人物品batteryTrack; 私人物品fuelTrack; 私有对象rpmTrack; 私人物品oilTrack; 私人对象speedTrack; 私人物体循环仪; private void fuelScale_QueryLabelValue（object sender，QueryLabelValueEventArgs e） { if（e.Settings.TickType == TickType.Major） { if （e.CalculatedLabelValue == 0） e.NewValue =E; if（e.CalculatedLabelValue == 100） e.NewValue =F; } } private void speedometer_PrepaintPointer（object sender，PrepaintEventArgs e） { e.CancelDefaultPainting = true; 指针指针= e.Element as Pointer; RectangleF psize = Utils.ToRectangleF（pointer.RenderSize）; Brush fill1 = pointer.Fill.CreateGdiBrush（psize）; Pen stroke1 = pointer.Stroke.CreateGdiPen（）; e.Graphics.FillEllipse（fill1,0,0,0.2f * psize.Width，psize.Height）; e.Graphics.DrawEllipse（stroke1,0,0,0.2f * psize.Width，psize.Height）; stroke1.Dispose（）; fill1.Dispose（）; PointF [] needle = new PointF [] { new PointF（0,0.425f * psize.Height）， new PointF（0,0.575f * psize.Height），新PointF（0.95f * psize.Width，0.575f * psize.Height），新PointF（psize.Width，0.5f * psize.Height），新的PointF（0.95f * psize.Width，0.425f * psize.Height）}; 刷子fill2 =新的SolidBrush（Color.FromArgb（0xFF，0x33,0x33））; 笔划2 =新笔（Color.DarkRed，0）; e.Graphics.FillPolygon（fill2，needle）; e.Graphics.DrawPolygon（stroke2，needle）; stroke2.Dispose（）; fill2.Dispose（）; } private void speedometer_PrepaintBackground（object sender，PrepaintEventArgs e） { e.CancelDefaultPainting = true; SizeF size = e.Element.RenderSize; RectangleF bounds = Utils.ToRectangleF（size）; // ---------------------- Ellipse＃1 --------------- ------- LinearGradientBrush fill1 = new LinearGradientBrush（new PointF（），Utils.ToPointF（size）， Color.Transparent，Color.Transparent）; ColorBlend fill1Blend = new ColorBlend（）; fill1Blend.Positions = new float [] {0,0.2f，0.8f，1}; fill1Blend.Colors = new Color [] {Color.FromArgb（0x90,0x90,0x90），Color.FromArgb（0x90,0x90,0x90）， Color.FromArgb（0x30,0x30,0x30）， Color.FromArgb（0x30,0x30,0x30）}; fill1.InterpolationColors = fill1Blend; e.Graphics.FillEllipse（fill1，bounds）; fill1.Dispose（）; //申请保证金0.015 bounds.Inflate（-0.015f * size.Width，-0.015f * size.Height）; // ---------------------- Ellipse＃2 --------------- ------- LinearGradientBrush fill2 = new LinearGradientBrush（new PointF（），Utils.ToPointF（size）， Color.Transparent，Color.Transparent）; ColorBlend fill2Blend = new ColorBlend（）; fill2Blend.Positions = new float [] {0,0.2f，0.8f，1}; fill2Blend.Colors = new Color [] { Color.FromArgb（0x30,0x30,0x30），Color.FromArgb（0x30,0x30,0x30）， Color.FromArgb（0x90,0x90） ，0x90），Color.FromArgb（0x90,0x90,0x90）}; fill2.InterpolationColors = fill2Blend; e.Graphics.FillEllipse（fill2，bounds）; fill2.Dispose（）; //申请保证金0.015 bounds.Inflate（-0.015f * size.Width，-0.015f * size.Height）; // ---------------------- Ellipse＃3 --------------- ------- GraphicsPath fill3Path = new GraphicsPath（）; fill3Path.AddEllipse（bounds）; PathGradientBrush fill3 = new PathGradientBrush（fill3Path）; fill3.CenterPoint = new PointF（0.5f，0.3f）; ColorBlend fill3Blend = new ColorBlend（）; fill3Blend.Positions = new float [] {0,1}; fill3Blend.Colors = new Color [] { Color.FromArgb（0x20,0x20,0x20），Color.FromArgb（0xBB，0xBB，0xBB）}; fill3.InterpolationColors = fill3Blend; e.Graphics.FillEllipse（fill3，bounds）; fill3.Dispose（）; } private void speedometer_PrepaintForeground（object sender，PrepaintEventArgs e） { e.CancelDefaultPainting = true; RectangleF bounds = Utils.ToRectangleF（e.Element.RenderSize）; GraphicsPath areaPath = new GraphicsPath（）; areaPath.AddEllipse（bounds）; MindFusion.Drawing.PathGradientBrush area1Fill = new MindFusion.Drawing.PathGradientBrush（Color.FromArgb（153，Color.White），Color.Transparent）; area1Fill.Path = areaPath; MindFusion.Drawing.PathGradientBrush area2Fill = new MindFusion.Drawing.PathGradientBrush（Color.FromArgb（32，Color.White），Color.Transparent）; area2Fill.Path = areaPath; ArcArea area1 = new ArcArea（）; area1.RelativeCoordinates = false; area1.StartAngle = 160; area1.EndAngle = -20; area1.Margin = new Thickness（0.03f）; area1.Fill = area1Fill; ArcArea area2 = new ArcArea（）; area2.RelativeCoordinates = false; area2.StartAngle = 140; area2.EndAngle = -40; area2.Margin = new Thickness（0.03f）; area2.Fill = area2Fill; e.PaintVisualElement（area1，e.Element.RenderSize）; e.PaintVisualElement（area2，e.Element.RenderSize）; areaPath.Dispose（）; } private void speedometer_PrepaintScale（object sender，PrepaintEventArgs e） { OvalScale scale = e.Element as OvalScale; if（scale.Name ==FuelScale） { //绘制加油站图标 PathFigure figure = new PathFigure（M0,0.08 C0,0.03 0.05， 0 0.1,0 L0.45,0 C0.5,0 0.55,0.03+ 0.55,0.08 L0.55,0.41 L0.68,0.41 C0.74,0.41 0.78,0.46 0.78,0.52 L0。 78,0.89 C0.78,0.96+ 0.925,0.96 0.925,0.89 L0.86,0.6 L0.86,0.29 C0.86,0.27 0.86,0.26 0.84,0.24 L0.64,0.08+ L0.7,0.05 L0.9,0.21 C0.93,0.24 0.93,0.26 0.93,0.28 L0.93,0.58 L1,0.9 C0.98,1.04 0.72,1.04+ 0.7， 0.9 L0.7,0.5 C0.7,0.47 0.67,0.47 0.66,0.47 L0.55,0.47 L0.55,1 L0,1 L0,0.08 M0.11,0.06+ L0.44,0.06 C0.46,0.06 0.47,0.07 0.47,0.09 L0.47,0.29 C0.47,0.3 0.46,0.32 0.44,0.32 L0.11,0.32+ C0.09,0.32 0.08,0.31 0.08,0.29 L0.08,0.09 C0.08,0.07 0.09,0.06 0.11,0.06 z）; figure.Stroke = new MindFusion.Drawing.Pen（Color.Transparent，0）; figure.Fill = new MindFusion.Drawing.SolidBrush（Color.White）; figure.Margin = new Thickness（0.46f，0.73f，0.46f，0.17f）; e.PaintVisualElement（图，e.Element.RenderSize）; } } private void batteryMeter_PrepaintBackground（object sender，PrepaintEventArgs e） { e.CancelDefaultPainting = true; float widthExtent = 0; if（batteryMeter.width> batteryMeter.Height） widthExtent =（float）（batteryMeter.Width - batteryMeter.Height）/ 2; // RectangleF bounds = new RectangleF（-widthExtent，0,1 + 2 * widthExtent，1）; //矩形＃1 // LinearGradientBrush fill1 =新的LinearGradientBrush（ //新的PointF（-widthExtent，0），新的PointF（1 + 2 * widthExtent，1 ），Color.Transparent，Color.Transparent）; // ColorBlend fill1Blend = new ColorBlend（）; //fill1Blend.Positions = new float [] {0,0.2f，0.8f，1}; //fill1Blend.Colors = new Color [] {Color.FromArgb（0x90,0x90,0x90），Color.FromArgb（0x90,0x90,0x90）， // Color.FromArgb（0x30,0x30） ，0x30），Color.FromArgb（0x30,0x30,0x30）}; //fill1.InterpolationColors = fill1Blend; //e.Graphics.FillRectangle (fill1，bounds）; //fill1.Dispose（）; //bounds.Inflate(-0.03f，-0.03f）; RoundRectangle rect = new RoundRectangle（）; rect.Name =BateryBackground; rect.RelativeCoordinates = false; rect.Roundness = 20; //rect.Margin = new Thickness（-widthExtent，0，-widthExtent + 0.01f，0 + 0.01f）; rect.X = -widthExtent; ///2; rect.Fill = e.CreateLinearGradient（新的PointF（），新的PointF（1,1）， 0.2f，Color.FromArgb（0x90,0x90,0x90），0.8f，Color.FromArgb（ 0x30,0x30,0x30））; e.PaintVisualElement（rect，batteryMeter.Size）; //矩形＃2 // LinearGradientBrush fill2 =新的LinearGradientBrush（ //新的PointF（-widthExtent，0），新的PointF（1 + 2 * widthExtent，1 ），Color.Transparent，Color.Transparent）; // ColorBlend fill2Blend = new ColorBlend（）; //fill2Blend.Positions = new float [] {0,0.2f，0.8f，1}; //fill2Blend.Colors = new Color [] {Color.FromArgb（0x30,0x30,0x30），Color.FromArgb（0x30,0x30,0x30）， // Color.FromArgb（0x90,0x90） ，0x90），Color.FromArgb（0x90,0x90,0x90）}; //fill2.InterpolationColors = fill2Blend; //e.Graphics.FillRectangle（fill2，bounds）; //fill2.Dispose（）; //bounds.Inflate(-0.03f，-0.03f）; rect = new RoundRectangle（）; rect.Roundness = 20; rect.Margin = new Thickness（0.015f * batteryMeter.Width，false）; rect.X = -widthExtent; rect.Fill = e.CreateLinearGradient（新的PointF（0,0），新的PointF（1,1）， 0.2f，Color.FromArgb（0x30,0x30,0x30），0.8f，颜色.FromArgb（0x90,0x90,0x90））; e.PaintVisualElement（rect，batteryMeter.Size）; //矩形＃3 rect = new RoundRectangle（）; rect.X = -widthExtent; rect.Margin = new Thickness（0.03f * batteryMeter.Width，false）; rect.Roundness = 20; //后台填充 rect.Fill = new MindFusion.Drawing.SolidBrush（Color.FromArgb（0x60,0x60,0x60））; e.PaintVisualElement（rect，batteryMeter.Size）; //径向填充 MindFusion.Drawing.PathGradientBrush fill = e.CreatePathGradient（新PointF（0.4f * batteryMeter.Width，0.3f * batteryMeter.Height）， 0.2 f，Color.FromArgb（0x60,0x60,0x60），0.8f，Color.FromArgb（0xBB，0xBB，0xBB））; GraphicsPath fillPath = new GraphicsPath（）; RectangleF bounds = new RectangleF（new Point（），batteryMeter.Size）; // new RectangleF（-widthExtent，0,1 + 2 * widthExtent，1）; bounds.Inflate（-0.06f * bounds.Width，-0.06f * bounds.Height）; fillPath.AddEllipse（bounds）; fill.Path = fillPath; rect.Fill = fill; e.PaintVisualElement（rect，batteryMeter.Size）; fillPath.Dispose（）; } private void batteryMeter_PrepaintForeground（object sender，PrepaintEventArgs e） { e.CancelDefaultPainting = true; GraphicsPath areaPath = new GraphicsPath（）; areaPath.AddEllipse（Utils.ToRectangleF（batteryMeter.Size））; MindFusion.Drawing.PathGradientBrush area1Fill = new MindFusion.Drawing.PathGradientBrush（Color.FromArgb（153，Color.White），Color.Transparent）; area1Fill.Path = areaPath; MindFusion.Drawing.PathGradientBrush area2Fill = new MindFusion.Drawing.PathGradientBrush（Color.FromArgb（32，Color.White），Color.Transparent）; area2Fill.Path = areaPath; ArcArea area1 = new ArcArea（）; area1.RelativeCoordinates = false; area1.StartAngle = 160; area1.EndAngle = -20; area1.Margin = new Thickness（0.03f）; area1.Fill = area1Fill; ArcArea area2 = new ArcArea（）; area2.RelativeCoordinates = false; area2.StartAngle = 140; area2.EndAngle = -40; area2.Margin = new Thickness（0.03f）; area2.Fill = area2Fill; e.PaintVisualElement（area1，e.Element.RenderSize）; e.PaintVisualElement（area2，e.Element.RenderSize）; areaPath.Dispose（）; } private void speedTrack_Scroll（object sender，EventArgs e） {指针speedPointer = speedometer.GetElementByName（SpeedPointer）作为指针; speedPointer.Value = speedTrack.Value; } private void fuelTrack_Scroll（object sender，EventArgs e） {指针gasPointer = speedometer.GetElementByName（GasPointer）as Pointer; gasPointer.Value = fuelTrack.Value; } private void rpmTrack_Scroll（object sender，EventArgs e） {指针rpmPointer = cyclometer.GetElementByName（RpmPointer）as Pointer; rpmPointer.Value = rpmTrack.Value; } private void batteryTrack_Scroll（object sender，EventArgs e） {指针batteryPointer = batteryMeter.GetElementByName（BatteryPointer）作为指针; batteryPointer.Value = batteryTrack.Value; } private void oilTrack_Scroll（object sender，EventArgs e） { Pointer oilPointer = oilMeter.GetElementByName（OilPointer）as Pointer; oilPointer.Value = oilTrack.Value; } } } 我尝试了什么： 对象不包含GetElementByName的定义，c＃中没有扩展方法 解决方案 <pre>using System;using System.Drawing;using System.Drawing.Drawing2D;using System.Text;using System.Windows.Forms;namespace MindFusion.Gauges.WinForms.Samples.CS.CarGauges{ public partial class MainForm : Form { public MainForm() { InitializeComponent(); // Add fuel scale indicator fuelIndicator = new Indicator(); fuelIndicator.Margin = new Thickness(0.47f, 0.85f, 0.47f, 0.09f); CustomInterval state = new CustomInterval(); state.MinValue = 0; state.MaxValue = 20; state.Fill = new MindFusion.Drawing.SolidBrush(Color.Red); state.Stroke = new MindFusion.Drawing.Pen(Color.White, 0); state.Foreground = Color.Red; fuelIndicator.States.Add(state); OvalScale fuelScale = speedometer.GetElementByName("FuelScale") as OvalScale; fuelScale.ScaleChildren.Add(fuelIndicator); // Add Battery and Oil texts Text text1 = new Text(); text1.Content = "Volt"; text1.FontFamily = "Verdana"; text1.FontSize = new Length(25, LengthType.Relative); text1.FontStyle = FontStyle.Bold; text1.Alignment = StringAlignment.Center; text1.LineAlignment = StringAlignment.Center; text1.Foreground = Color.White; text1.Margin = new Thickness(0.3f, 0.3f, 0.3f, 0.3f); OvalScale batteryScale = batteryMeter.GetElementByName("BatteryScale") as OvalScale; batteryScale.ScaleChildren.Add(text1); Text text2 = new Text(); text2.Content = "Oil"; text2.FontFamily = "Verdana"; text2.FontSize = new Length(25, LengthType.Relative); text2.FontStyle = FontStyle.Bold; text2.Alignment = StringAlignment.Center; text2.LineAlignment = StringAlignment.Center; text2.Foreground = Color.White; text2.Margin = new Thickness(0.3f, 0.3f, 0.3f, 0.3f); OvalScale oilScale = oilMeter.GetElementByName("OilScale") as OvalScale; oilScale.ScaleChildren.Add(text2); // Add some event handlers fuelScale.QueryLabelValue += fuelScale_QueryLabelValue; Pointer gasPointer = speedometer.GetElementByName("GasPointer") as Pointer; gasPointer.ValueChanged += gasPointer_ValueChanged; } private void gasPointer_ValueChanged(object sender, ValueChangedEventArgs<float> e) { fuelIndicator.Value = e.NewValue; } private Indicator fuelIndicator; private object speedometer; private object batteryMeter; private object oilMeter; private object batteryTrack; private object fuelTrack; private object rpmTrack; private object oilTrack; private object speedTrack; private object cyclometer; private void fuelScale_QueryLabelValue(object sender, QueryLabelValueEventArgs e) { if (e.Settings.TickType == TickType.Major) { if (e.CalculatedLabelValue == 0) e.NewValue = "E"; if (e.CalculatedLabelValue == 100) e.NewValue = "F"; } } private void speedometer_PrepaintPointer(object sender, PrepaintEventArgs e) { e.CancelDefaultPainting = true; Pointer pointer = e.Element as Pointer; RectangleF psize = Utils.ToRectangleF(pointer.RenderSize); Brush fill1 = pointer.Fill.CreateGdiBrush(psize); Pen stroke1 = pointer.Stroke.CreateGdiPen(); e.Graphics.FillEllipse(fill1, 0, 0, 0.2f * psize.Width, psize.Height); e.Graphics.DrawEllipse(stroke1, 0, 0, 0.2f * psize.Width, psize.Height); stroke1.Dispose(); fill1.Dispose(); PointF[] needle = new PointF[] { new PointF(0, 0.425f * psize.Height), new PointF(0, 0.575f * psize.Height), new PointF(0.95f * psize.Width, 0.575f * psize.Height), new PointF(psize.Width, 0.5f * psize.Height), new PointF(0.95f * psize.Width, 0.425f * psize.Height) }; Brush fill2 = new SolidBrush(Color.FromArgb(0xFF, 0x33, 0x33)); Pen stroke2 = new Pen(Color.DarkRed, 0); e.Graphics.FillPolygon(fill2, needle); e.Graphics.DrawPolygon(stroke2, needle); stroke2.Dispose(); fill2.Dispose(); } private void speedometer_PrepaintBackground(object sender, PrepaintEventArgs e) { e.CancelDefaultPainting = true; SizeF size = e.Element.RenderSize; RectangleF bounds = Utils.ToRectangleF(size); // ---------------------- Ellipse #1 ---------------------- LinearGradientBrush fill1 = new LinearGradientBrush(new PointF(), Utils.ToPointF(size), Color.Transparent, Color.Transparent); ColorBlend fill1Blend = new ColorBlend(); fill1Blend.Positions = new float[] { 0, 0.2f, 0.8f, 1 }; fill1Blend.Colors = new Color[] { Color.FromArgb(0x90, 0x90, 0x90), Color.FromArgb(0x90, 0x90, 0x90), Color.FromArgb(0x30, 0x30, 0x30), Color.FromArgb(0x30, 0x30, 0x30) }; fill1.InterpolationColors = fill1Blend; e.Graphics.FillEllipse(fill1, bounds); fill1.Dispose(); // Apply margin of 0.015 bounds.Inflate(-0.015f * size.Width, -0.015f * size.Height); // ---------------------- Ellipse #2 ---------------------- LinearGradientBrush fill2 = new LinearGradientBrush(new PointF(), Utils.ToPointF(size), Color.Transparent, Color.Transparent); ColorBlend fill2Blend = new ColorBlend(); fill2Blend.Positions = new float[] { 0, 0.2f, 0.8f, 1 }; fill2Blend.Colors = new Color[] { Color.FromArgb(0x30, 0x30, 0x30), Color.FromArgb(0x30, 0x30, 0x30), Color.FromArgb(0x90, 0x90, 0x90), Color.FromArgb(0x90, 0x90, 0x90) }; fill2.InterpolationColors = fill2Blend; e.Graphics.FillEllipse(fill2, bounds); fill2.Dispose(); // Apply margin of 0.015 bounds.Inflate(-0.015f * size.Width, -0.015f * size.Height); // ---------------------- Ellipse #3 ---------------------- GraphicsPath fill3Path = new GraphicsPath(); fill3Path.AddEllipse(bounds); PathGradientBrush fill3 = new PathGradientBrush(fill3Path); fill3.CenterPoint = new PointF(0.5f, 0.3f); ColorBlend fill3Blend = new ColorBlend(); fill3Blend.Positions = new float[] { 0, 1 }; fill3Blend.Colors = new Color[] { Color.FromArgb(0x20, 0x20, 0x20), Color.FromArgb(0xBB, 0xBB, 0xBB) }; fill3.InterpolationColors = fill3Blend; e.Graphics.FillEllipse(fill3, bounds); fill3.Dispose(); } private void speedometer_PrepaintForeground(object sender, PrepaintEventArgs e) { e.CancelDefaultPainting = true; RectangleF bounds = Utils.ToRectangleF(e.Element.RenderSize); GraphicsPath areaPath = new GraphicsPath(); areaPath.AddEllipse(bounds); MindFusion.Drawing.PathGradientBrush area1Fill = new MindFusion.Drawing.PathGradientBrush(Color.FromArgb(153, Color.White), Color.Transparent); area1Fill.Path = areaPath; MindFusion.Drawing.PathGradientBrush area2Fill = new MindFusion.Drawing.PathGradientBrush(Color.FromArgb(32, Color.White), Color.Transparent); area2Fill.Path = areaPath; ArcArea area1 = new ArcArea(); area1.RelativeCoordinates = false; area1.StartAngle = 160; area1.EndAngle = -20; area1.Margin = new Thickness(0.03f); area1.Fill = area1Fill; ArcArea area2 = new ArcArea(); area2.RelativeCoordinates = false; area2.StartAngle = 140; area2.EndAngle = -40; area2.Margin = new Thickness(0.03f); area2.Fill = area2Fill; e.PaintVisualElement(area1, e.Element.RenderSize); e.PaintVisualElement(area2, e.Element.RenderSize); areaPath.Dispose(); } private void speedometer_PrepaintScale(object sender, PrepaintEventArgs e) { OvalScale scale = e.Element as OvalScale; if (scale.Name == "FuelScale") { // Paint the gas station icon PathFigure figure = new PathFigure("M0,0.08 C0,0.03 0.05,0 0.1,0 L0.45,0 C0.5,0 0.55,0.03 " + "0.55,0.08 L0.55,0.41 L0.68,0.41 C0.74,0.41 0.78,0.46 0.78,0.52 L0.78,0.89 C0.78,0.96 " + "0.925,0.96 0.925,0.89 L0.86,0.6 L0.86,0.29 C0.86,0.27 0.86,0.26 0.84,0.24 L0.64,0.08 " + "L0.7,0.05 L0.9,0.21 C0.93,0.24 0.93,0.26 0.93,0.28 L0.93,0.58 L1,0.9 C0.98,1.04 0.72,1.04 " + "0.7,0.9 L0.7,0.5 C0.7,0.47 0.67,0.47 0.66,0.47 L0.55,0.47 L0.55,1 L0,1 L0,0.08 M0.11,0.06 " + "L0.44,0.06 C0.46,0.06 0.47,0.07 0.47,0.09 L0.47,0.29 C0.47,0.3 0.46,0.32 0.44,0.32 L0.11,0.32 " + "C0.09,0.32 0.08,0.31 0.08,0.29 L0.08,0.09 C0.08,0.07 0.09,0.06 0.11,0.06 z"); figure.Stroke = new MindFusion.Drawing.Pen(Color.Transparent, 0); figure.Fill = new MindFusion.Drawing.SolidBrush(Color.White); figure.Margin = new Thickness(0.46f, 0.73f, 0.46f, 0.17f); e.PaintVisualElement(figure, e.Element.RenderSize); } } private void batteryMeter_PrepaintBackground(object sender, PrepaintEventArgs e) { e.CancelDefaultPainting = true; float widthExtent = 0; if (batteryMeter.width > batteryMeter.Height) widthExtent = (float)(batteryMeter.Width - batteryMeter.Height) / 2; //RectangleF bounds = new RectangleF(-widthExtent, 0, 1 + 2 * widthExtent, 1); // Rectangle #1 //LinearGradientBrush fill1 = new LinearGradientBrush( // new PointF(-widthExtent, 0), new PointF(1 + 2 * widthExtent, 1), Color.Transparent, Color.Transparent); //ColorBlend fill1Blend = new ColorBlend(); //fill1Blend.Positions = new float[] { 0, 0.2f, 0.8f, 1 }; //fill1Blend.Colors = new Color[] { Color.FromArgb(0x90, 0x90, 0x90), Color.FromArgb(0x90, 0x90, 0x90), // Color.FromArgb(0x30, 0x30, 0x30), Color.FromArgb(0x30, 0x30, 0x30) }; //fill1.InterpolationColors = fill1Blend; //e.Graphics.FillRectangle(fill1, bounds); //fill1.Dispose(); //bounds.Inflate(-0.03f, -0.03f); RoundRectangle rect = new RoundRectangle(); rect.Name = "BateryBackground"; rect.RelativeCoordinates = false; rect.Roundness = 20; //rect.Margin = new Thickness(-widthExtent, 0, -widthExtent + 0.01f, 0 + 0.01f); rect.X = -widthExtent;// / 2; rect.Fill = e.CreateLinearGradient(new PointF(), new PointF(1, 1), 0.2f, Color.FromArgb(0x90, 0x90, 0x90), 0.8f, Color.FromArgb(0x30, 0x30, 0x30)); e.PaintVisualElement(rect, batteryMeter.Size); // Rectangle #2 //LinearGradientBrush fill2 = new LinearGradientBrush( // new PointF(-widthExtent, 0), new PointF(1 + 2 * widthExtent, 1), Color.Transparent, Color.Transparent); //ColorBlend fill2Blend = new ColorBlend(); //fill2Blend.Positions = new float[] { 0, 0.2f, 0.8f, 1 }; //fill2Blend.Colors = new Color[] { Color.FromArgb(0x30, 0x30, 0x30), Color.FromArgb(0x30, 0x30, 0x30), // Color.FromArgb(0x90, 0x90, 0x90), Color.FromArgb(0x90, 0x90, 0x90) }; //fill2.InterpolationColors = fill2Blend; //e.Graphics.FillRectangle(fill2, bounds); //fill2.Dispose(); //bounds.Inflate(-0.03f, -0.03f); rect = new RoundRectangle(); rect.Roundness = 20; rect.Margin = new Thickness(0.015f * batteryMeter.Width, false); rect.X = -widthExtent; rect.Fill = e.CreateLinearGradient(new PointF(0, 0), new PointF(1, 1), 0.2f, Color.FromArgb(0x30, 0x30, 0x30), 0.8f, Color.FromArgb(0x90, 0x90, 0x90)); e.PaintVisualElement(rect, batteryMeter.Size); // Rectangle #3 rect = new RoundRectangle(); rect.X = -widthExtent; rect.Margin = new Thickness(0.03f * batteryMeter.Width, false); rect.Roundness = 20; // Background fill rect.Fill = new MindFusion.Drawing.SolidBrush(Color.FromArgb(0x60, 0x60, 0x60)); e.PaintVisualElement(rect, batteryMeter.Size); // Radial fill MindFusion.Drawing.PathGradientBrush fill = e.CreatePathGradient(new PointF(0.4f * batteryMeter.Width, 0.3f * batteryMeter.Height), 0.2f, Color.FromArgb(0x60, 0x60, 0x60), 0.8f, Color.FromArgb(0xBB, 0xBB, 0xBB)); GraphicsPath fillPath = new GraphicsPath(); RectangleF bounds = new RectangleF(new Point(), batteryMeter.Size); //new RectangleF(-widthExtent, 0, 1 + 2 * widthExtent, 1); bounds.Inflate(-0.06f * bounds.Width, -0.06f * bounds.Height); fillPath.AddEllipse(bounds); fill.Path = fillPath; rect.Fill = fill; e.PaintVisualElement(rect, batteryMeter.Size); fillPath.Dispose(); } private void batteryMeter_PrepaintForeground(object sender, PrepaintEventArgs e) { e.CancelDefaultPainting = true; GraphicsPath areaPath = new GraphicsPath(); areaPath.AddEllipse(Utils.ToRectangleF(batteryMeter.Size)); MindFusion.Drawing.PathGradientBrush area1Fill = new MindFusion.Drawing.PathGradientBrush(Color.FromArgb(153, Color.White), Color.Transparent); area1Fill.Path = areaPath; MindFusion.Drawing.PathGradientBrush area2Fill = new MindFusion.Drawing.PathGradientBrush(Color.FromArgb(32, Color.White), Color.Transparent); area2Fill.Path = areaPath; ArcArea area1 = new ArcArea(); area1.RelativeCoordinates = false; area1.StartAngle = 160; area1.EndAngle = -20; area1.Margin = new Thickness(0.03f); area1.Fill = area1Fill; ArcArea area2 = new ArcArea(); area2.RelativeCoordinates = false; area2.StartAngle = 140; area2.EndAngle = -40; area2.Margin = new Thickness(0.03f); area2.Fill = area2Fill; e.PaintVisualElement(area1, e.Element.RenderSize); e.PaintVisualElement(area2, e.Element.RenderSize); areaPath.Dispose(); } private void speedTrack_Scroll(object sender, EventArgs e) { Pointer speedPointer = speedometer.GetElementByName("SpeedPointer") as Pointer; speedPointer.Value = speedTrack.Value; } private void fuelTrack_Scroll(object sender, EventArgs e) { Pointer gasPointer = speedometer.GetElementByName("GasPointer") as Pointer; gasPointer.Value = fuelTrack.Value; } private void rpmTrack_Scroll(object sender, EventArgs e) { Pointer rpmPointer = cyclometer.GetElementByName("RpmPointer") as Pointer; rpmPointer.Value = rpmTrack.Value; } private void batteryTrack_Scroll(object sender, EventArgs e) { Pointer batteryPointer = batteryMeter.GetElementByName("BatteryPointer") as Pointer; batteryPointer.Value = batteryTrack.Value; } private void oilTrack_Scroll(object sender, EventArgs e) { Pointer oilPointer = oilMeter.GetElementByName("OilPointer") as Pointer; oilPointer.Value = oilTrack.Value; } }}What I have tried:object does not contain a definition for GetElementByNameand no extension method in c# 解决方案 这篇关于对象不包含getelementbyname的定义，也没有C＃中的扩展方法的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！ 上岸，阿里云！
08-15 01:33
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