C#实现自定义单选和复选按钮样式

public partial class GlorifyCheckBox : CheckBox { public GlorifyCheckBox() { InitializeComponent(); FontAspect = getAspect(); //获取当前控件文本的读取方向 } #region 变量 private bool FontAspect = false; //判断字体的方向 private int Measurement = 255; //设置渐变的初始值 LinearGradientBrush Periphery_br; //外圆的颜色 LinearGradientBrush Central_br; //移入控件时中圆的颜色 LinearGradientBrush NoCentral_br; //无操作时中圆的颜色 #endregion #region 添加属性 public enum StyleSort { Null = 0, //无 Integer = 1, //整数 Decimal = 2, //小数 } private Color TPeripheryColor = Color.DarkBlue; [Browsable(true), Category("设置填充颜色"), Description("外圆的颜色")] //在“属性”窗口中显示DataStyle属性 public Color PeripheryColor { get { return TPeripheryColor; } set { TPeripheryColor = value; this.Invalidate(); } } private Color TCentralColor = Color.CornflowerBlue; [Browsable(true), Category("设置填充颜色"), Description("移入控件时中圆的颜色")] //在“属性”窗口中显示DataStyle属性 public Color CentralColor { get { return TCentralColor; } set { TCentralColor = value; this.Invalidate(); } } private Color TNoCentralColor = Color.PowderBlue; [Browsable(true), Category("设置填充颜色"), Description("无操作时中圆的颜色")] //在“属性”窗口中显示DataStyle属性 public Color NoCentralColor { get { return TNoCentralColor; } set { TNoCentralColor = value; this.Invalidate(); } } private Color TStippleColor = Color.DarkBlue; [Browsable(true), Category("设置填充颜色"), Description("选中后内圆的颜色")] //在“属性”窗口中显示DataStyle属性 public Color StippleColor { get { return TStippleColor; } set { TStippleColor = value; this.Invalidate(); } } #endregion #region 事件 /// 
 /// 控件在需要重绘时触发 /// 
 protected override void OnPaint(System.Windows.Forms.PaintEventArgs e) { e.Graphics.FillRectangle(SystemBrushes.Control, e.ClipRectangle); //填充矩形 e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias; //清除锯齿 //获取左面图标的区域 Rectangle boxrect = new Rectangle(e.ClipRectangle.X, e.ClipRectangle.Y, SystemInformation.SmallIconSize.Width, e.ClipRectangle.Height); //获取绘制的文本的区域 Rectangle strrect = new Rectangle(e.ClipRectangle.X + SystemInformation.SmallIconSize.Width, e.ClipRectangle.Y, e.ClipRectangle.Width + 5 - SystemInformation.SmallIconSize.Width, e.ClipRectangle.Height); if (FontAspect) //判断字体的读取方式 { boxrect.X = e.ClipRectangle.X + e.ClipRectangle.Width - SystemInformation.SmallIconSize.Width; //设置椭圆的位置 strrect.X = e.ClipRectangle.X; //设置字体位置 } Point MousePos = this.PointToClient(Control.MousePosition); //获取鼠标的位置 bool Above = e.ClipRectangle.Contains(MousePos); //获取鼠标是否在当前控件上 DrawBox(e.Graphics, boxrect, Above); //绘制单选图案 DrawText(e.Graphics, strrect); //绘制文字 if (!Enabled) e.Graphics.FillRectangle(new SolidBrush(Color.FromArgb(127, SystemColors.Control)), e.ClipRectangle); } /// 
 /// 鼠标移入控件的可见区域时触发 /// 
 protected override void OnMouseEnter(System.EventArgs e) { base.OnMouseEnter(e); this.Invalidate(); } /// 
 /// 鼠标移出控件的可见区域时触发 /// 
 protected override void OnMouseLeave(System.EventArgs e) { base.OnMouseLeave(e); this.Invalidate(); } /// 
 /// RightToLeft属性值更改时发生 /// 
 protected override void OnRightToLeftChanged(System.EventArgs e) { base.OnRightToLeftChanged(e); FontAspect = getAspect(); this.Invalidate(); } #endregion #region 方法 /// 
 /// 绘制单选控件的图案 /// 
 /// 封装一个绘图的类对象 /// 单选图案的绘制区域 /// 断判鼠标是否在控件上方 private void DrawBox(Graphics g, Rectangle rect, bool Above) { //设置外椭圆的渐变色 int opacity = Measurement; Periphery_br = new LinearGradientBrush(rect, Color.FromArgb(opacity / 2, PeripheryColor), Color.FromArgb(opacity, PeripheryColor), LinearGradientMode.ForwardDiagonal); //设置中间椭圆形选中时的渐变色 opacity = (int) (.4f * opacity + .5f); Central_br = new LinearGradientBrush(rect, Color.FromArgb(opacity / 10, CentralColor), Color.FromArgb(opacity, CentralColor), LinearGradientMode.ForwardDiagonal); //设置中间椭圆形无操作时的渐变色 opacity = (int) (.4f * opacity + .5f); NoCentral_br = new LinearGradientBrush(rect, Color.FromArgb(opacity / 10, NoCentralColor), Color.FromArgb(opacity, NoCentralColor), LinearGradientMode.ForwardDiagonal); int size = this.Font.Height; //获取字体的高度 //获取外椭圆的区域 Rectangle box = new Rectangle(rect.X + ((rect.Width - size) / 2), rect.Y + ((rect.Height - size) / 2), size - 2, size - 2); Rectangle glyph = new Rectangle(box.X + 3, box.Y + 3, box.Width - 6, box.Height - 6); //设置内圆的绘制区域 Rectangle right = new Rectangle(box.X, box.Y - 1, box.Width + 2, box.Height + 2); g.FillEllipse(new SolidBrush(SystemColors.Window), box); //以白色填充单选图案 if (this.CheckState != CheckState.Unchecked) //如果是选中状态 { base.ForeColor = Color.DarkBlue; ControlPaint.DrawMenuGlyph(g, right, MenuGlyph.Checkmark, this.StippleColor, Color.White); //绘制对号 g.DrawRectangle(new Pen(new SolidBrush(SystemColors.Control), (float) (3)), box); //绘制外椭圆 } if (this.CheckState == CheckState.Indeterminate) g.FillRectangle(new SolidBrush(Color.FromArgb(127, SystemColors.Control)), right); if (Above && this.Enabled) //如果鼠标移入该控件 { g.DrawRectangle(new Pen(Central_br, 2), new Rectangle(box.X + 2, box.Y + 2, box.Width - 4, box.Height - 4)); //绘制中心椭圆 } else { g.DrawRectangle(new Pen(NoCentral_br, 2), new Rectangle(box.X + 2, box.Y + 2, box.Width - 4, box.Height - 4)); //绘制中心椭圆 } g.DrawRectangle(new Pen(Periphery_br, (float) (1.5)), box); //绘制外椭圆 } /// 
 /// 绘制文本 /// 
 /// 封装一个绘图的类对象 /// 绘制文本的区域 private void DrawText(Graphics g, Rectangle rect) { StringFormat tem_StringF = new StringFormat(); tem_StringF.Alignment = StringAlignment.Near; tem_StringF.LineAlignment = StringAlignment.Center; //文本居中对齐 if (FontAspect) tem_StringF.FormatFlags = StringFormatFlags.DirectionRightToLeft; //按从左到右的顺序显示文本 //g.DrawString(this.Text, this.Font, SystemBrushes.ControlText, rect, tem_StringF);//绘制文本 if (!FontAspect) g.DrawString(this.Text, this.Font, SystemBrushes.ControlText, rect, tem_StringF); //绘制文本 else { rect.X = rect.X - SystemInformation.SmallIconSize.Width / 2 + 2; g.DrawString(this.Text, this.Font, SystemBrushes.ControlText, rect, tem_StringF); } } /// 
 /// 获取文本的读取方向 /// 
 /// 布尔型 private bool getAspect() { bool tem_Aspect = SystemInformation.RightAlignedMenus; if (this.RightToLeft == RightToLeft.Yes) //从右到左进行读取 tem_Aspect = true; if (this.RightToLeft == RightToLeft.No) //从左到右进行读取 tem_Aspect = false; return tem_Aspect; } #endregion }