场景

效果

注：

博客主页：
https://blog.csdn.net/badao_liumang_qizhi
关注公众号
霸道的程序猿
获取编程相关电子书、教程推送与免费下载。

实现

新建一个用户控件TransparencyButton,修改其代码如下

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D;namespace 自定义水晶按钮控件
{public partial class TransparencyButton : UserControl{public TransparencyButton(){InitializeComponent();}#region 公共变量public static SmoothingMode sm;public static bool pub_ButtonClick = true;//判断按钮是否按下（false为按下）public static int pub_Degree = 0;//记录四角弧度的大小范围public static int pub_RGB_r0 = 0x130;//按钮背景的R色值public static int pub_RGB_r1 = 0x99;//按钮其它颜色的R色值#endregion#region 添加属性private string BNText = "";[Browsable(true), Category("透明按钮的属性设置"), Description("设置显示的文本")]   //在“属性”窗口中显示NText属性public string NText{get { return BNText; }set{BNText = value;if (BNText.Length > 0)Invalidate();}}private int BDegree = 1;[Browsable(true), Category("透明按钮的属性设置"), Description("设置按钮四个角的弧度")]   //在“属性”窗口中显示Degree属性public int Degree{get { return BDegree; }set{BDegree = value;if (this.Width >= this.Height)pub_Degree = (int)(this.Height / 2);elsepub_Degree = (int)(this.Width / 2);if (BDegree <= 0)BDegree = 1;if (BDegree > pub_Degree)BDegree = pub_Degree;if (BDegree > 0)Invalidate();}}private Color DShineColor = Color.Black;[Browsable(true), Category("透明按钮的属性设置"), Description("设置按钮的光泽度颜色")]   //在“属性”窗口中显示ShineColor属性public Color ShineColor{get { return DShineColor; }set{DShineColor = value;Invalidate();}}private Color DUndersideShine = Color.LightGray;[Browsable(true), Category("透明按钮的属性设置"), Description("设置按钮的下部的光泽度")]   //在“属性”窗口中显示UndersideShine属性public Color UndersideShine{get { return DUndersideShine; }set{DUndersideShine = value;Invalidate();}}private int DCTransparence = 0;[Browsable(true), Category("透明按钮的属性设置"), Description("设置按钮的透明度数")]   //在“属性”窗口中显示CTransparence属性public int CTransparence{get { return DCTransparence; }set{DCTransparence = value;if (DCTransparence > 20)DCTransparence = 20;if (DCTransparence < 0)DCTransparence = 0;if (DCTransparence >= 0)Invalidate();}}private int DCFontDeepness = 1;[Browsable(true), Category("透明按钮的属性设置"), Description("设置按钮文本的深度")]   //在“属性”窗口中显示CFontDeepness属性public int CFontDeepness{get { return DCFontDeepness; }set{DCFontDeepness = value;if (DCFontDeepness > 20)DCFontDeepness = 20;if (DCFontDeepness < 0)DCFontDeepness = 0;if (DCFontDeepness >= 0)Invalidate();}}#endregion#region 事件private void TransparencyButton_Paint(object sender, PaintEventArgs e){this.BackColor = Color.Transparent;//使当前控件透明sm = e.Graphics.SmoothingMode;//设置呈现质量Color shineColor = Color.Black;Rectangle rect2 = new Rectangle(0, 0, this.Width, this.Height);//设置绘制按钮的矩形区域Rectangle rect1 = new Rectangle(0, this.Height / 2, this.Width, this.Height / 2);//设置绘制按钮下半部的矩形区域if (this.CTransparence == 0)//如果按钮的透明度为0{CobOblongDown(rect2, e.Graphics);//绘制按扭的背景CobOblong(rect2, e.Graphics, this.ShineColor);//绘制按扭的背景}else{if (this.CTransparence > 0)//如果按钮的透明度不为0{CobOblongDown(rect2, e.Graphics);//绘制按扭的背景for (int i = 0; i < CTransparence; i++){CobOblong(rect2, e.Graphics, this.ShineColor);//绘制按扭的背景颜色}}}int tem_n = (int)(this.CTransparence / 3);//获取一个值，用于设置下半部按钮的颜色深度if (tem_n == 0)//如果为0CobAjar(rect1, e.Graphics, this.ShineColor);//绘制按扭的下半部背景else{if (tem_n > 0)//如果不为0{for (int i = 0; i < tem_n; i++)//加深下部按钮的颜色{CobAjar(rect1, e.Graphics, this.ShineColor);//绘制按扭的下半部背景颜色}}}CobOblong(rect2, e.Graphics, this.UndersideShine);//设置下半部按钮的光泽度if (pub_ButtonClick == false)//判断按钮是否按下（false为按下）{CobOblongDown(rect2, e.Graphics);//绘制按扭的背景}if (this.NText.Length > 0)//如果Text属性中有值ProtractText(e.Graphics);//绘制透明按钮的文本信息}private void TransparencyButton_SizeChanged(object sender, EventArgs e){Invalidate();//对控件进行重绘}private void TransparencyButton_MouseDown(object sender, MouseEventArgs e){pub_ButtonClick = false;//按下按钮Invalidate();//对控件进行重绘}private void TransparencyButton_MouseUp(object sender, MouseEventArgs e){pub_ButtonClick = true;//松开按钮Invalidate();//对控件进行重绘}#endregion#region 自定义方法/// <summary>/// 绘制透明按扭的文本/// </summary>/// <param g="Graphics">封装一个绘图的类对象</param>private void ProtractText(Graphics g){Graphics TitG = this.CreateGraphics();//创建Graphics类对象string TitS = this.NText;//获取图表标题的名称SizeF TitSize = TitG.MeasureString(TitS, this.Font);//将绘制的字符串进行格式化float TitWidth = TitSize.Width;//获取字符串的宽度float TitHeight = TitSize.Height;//获取字符串的高度float TitX = 0;//标题的横向坐标float TitY = 0;//标题的纵向坐标if (this.Height > TitHeight)//如果按钮的高度大于文本的高度TitY = (this.Height - TitHeight) / 2;//使文本水平方向局中elseTitY = this.BDegree;//文本置顶if (this.Width > TitWidth)//如果按钮的宽度大于文本的宽度TitX = (this.Width - TitWidth) / 2;//使文本水平局中elseTitX = this.BDegree;//文本置左//设置文本的绘制区域Rectangle rect = new Rectangle((int)Math.Floor(TitX), (int)Math.Floor(TitY), (int)Math.Ceiling(TitWidth), (int)Math.Ceiling(TitHeight));int opacity = pub_RGB_r1;//设置R色值opacity = (int)(.4f * opacity + .5f);//设置渐变值for (int i = 0; i < DCFontDeepness; i++)//设置文本的深度{//设置文本的渐变颜色using (LinearGradientBrush br = new LinearGradientBrush(rect, Color.FromArgb(opacity, this.ForeColor), Color.FromArgb(opacity, this.ForeColor), LinearGradientMode.Vertical)){g.DrawString(TitS, this.Font, br, new PointF(TitX, TitY));//绘制带有渐变效果的文本}}}/// <summary>/// 绘制透明按扭的背景色/// </summary>/// <param rect="Rectangle">绘制按钮的区域</param>/// <param g="Graphics">封装一个绘图的类对象</param>/// <param fillColor="Color">填充的颜色</param>private void CobOblong(Rectangle rect, Graphics g, Color fillColor){using (GraphicsPath bh = CreateCobOblong(rect, this.BDegree))//绘制一个圆角矩形{int opacity = pub_RGB_r0;//设置按钮的R色值opacity = (int)(.4f * opacity + .5f);//设置渐变的变化值//设置按钮的渐变颜色using (LinearGradientBrush br = new LinearGradientBrush(rect, Color.FromArgb(opacity / 5, fillColor), Color.FromArgb(opacity, fillColor), LinearGradientMode.Vertical)){g.FillPath(br, bh);//填充按钮背景}g.SmoothingMode = sm;//设置呈现的质量}}/// <summary>/// 绘制透明按扭的下半部背景色/// </summary>/// <param rect="Rectangle">绘制按钮的下半部区域</param>/// <param g="Graphics">封装一个绘图的类对象</param>/// <param fillColor="Color">填充的颜色</param>private void CobAjar(Rectangle rect, Graphics g, Color fillColor){using (GraphicsPath bh = CreateCobAjar(rect, this.BDegree)){int opacity = pub_RGB_r1;opacity = (int)(.4f * opacity + .5f);using (LinearGradientBrush br = new LinearGradientBrush(rect, Color.FromArgb(opacity, fillColor), Color.FromArgb(pub_RGB_r1 / 5, fillColor), LinearGradientMode.Vertical)){g.FillPath(br, bh);//填充按钮背景}g.SmoothingMode = sm;//设置呈现的质量}}/// <summary>/// 绘制透明按扭按下时的效果/// </summary>/// <param rect="Rectangle">绘制按钮的区域</param>/// <param g="Graphics">封装一个绘图的类对象</param>private void CobOblongDown(Rectangle rect, Graphics g){using (GraphicsPath bh = CreateCobOblong(rect, this.BDegree))//按钮的圆角绘制{int opacity = pub_RGB_r1;//设置按钮的R色值Color tem_Color = Color.Black;//设置按钮的背景颜色为黑色if (pub_ButtonClick == true)//如果按钮没有按下{opacity = pub_RGB_r0;//设置按钮的R色值tem_Color = Color.White;//设置按钮的背景颜色为白色}opacity = (int)(.4f * opacity + .5f);//设置渐变的变化值//设置按钮的渐变颜色using (LinearGradientBrush br = new LinearGradientBrush(rect, Color.FromArgb(opacity + 20, tem_Color), Color.FromArgb(opacity, tem_Color), LinearGradientMode.Vertical)){g.FillPath(br, bh);//填充按钮背景}g.SmoothingMode = sm;//设置呈现的质量}}/// <summary>/// 按钮的圆角绘制/// </summary>/// <param rect="Rectangle">绘制按钮的区域</param>/// <param radius="int">圆角的度数</param>private static GraphicsPath CreateCobOblong(Rectangle rectangle, int radius){GraphicsPath path = new GraphicsPath();//实例化GraphicsPath类int l = rectangle.Left;//获取矩形左上角的X坐标int t = rectangle.Top;//获取矩形左上角的Y坐标int w = rectangle.Width;//获取矩形的宽度int h = rectangle.Height;//获取矩形的高度path.AddArc(l, t, 2 * radius, 2 * radius, 180, 90);//在矩形的左上角绘制圆角path.AddLine(l + radius, t, l + w - radius, t);//绘制左上角圆角与右上角之间的线段path.AddArc(l + w - 2 * radius, t, 2 * radius, 2 * radius, 270, 90);//绘制右上角的圆角path.AddLine(l + w, t + radius, l + w, t + h - radius);//绘制左上角、右上角和右下角所形成的三角形path.AddArc(l + w - 2 * radius, t + h - 2 * radius, 2 * radius, 2 * radius, 0, 90);//绘制右下角圆角path.AddLine(l + radius, t + h, l + w - radius, t + h);//绘制右下角圆角与左上角圆之间的线段path.AddArc(l, t + h - 2 * radius, 2 * radius, 2 * radius, 90, 90);//绘制左下角的圆角path.AddLine(l, t + radius, l, t + h - radius);//绘制左上角、左下角和右下角之间的三角形return path;}/// <summary>/// 按钮的下半个圆角绘制/// </summary>/// <param rect="Rectangle">绘制下半部按钮的区域</param>/// <param radius="int">圆角的度数</param>private static GraphicsPath CreateCobAjar(Rectangle rectangle, int radius){GraphicsPath path = new GraphicsPath();int l = rectangle.Left;//获取矩形左上角的X坐标int t = rectangle.Top;//获取矩形左上角的Y坐标int w = rectangle.Width;//获取矩形的宽度int h = rectangle.Height;//获取矩形的高度path.AddArc(l, t, 2 * radius, 2 * radius, 0, 0);//绘制左上角的点path.AddLine(l, t, l + w, t);//绘制左上角与右上角之间的线段path.AddArc(l + w, t, 2 * radius, 2 * radius, 0, 0);//绘制右上角的点path.AddLine(l + w, t + radius, l + w, t + h - radius);//绘制左上角、右上角和右下角所形成的三角形path.AddArc(l + w - 2 * radius, t + h - 2 * radius, 2 * radius, 2 * radius, 0, 90);//绘制右下角圆角path.AddLine(l + radius, t + h, l + w - radius, t + h);//绘制右下角圆角与左上角圆之间的线段path.AddArc(l, t + h - 2 * radius, 2 * radius, 2 * radius, 90, 90);//绘制左下角的圆角path.AddLine(l, t + radius, l, t + h - radius);//绘制左上角、左下角和右下角之间的三角形return path;}#endregion}
}

然后新建一个窗体Form1然后拖拽一个新建的自定义水晶控件

代码下载

https://download.csdn.net/download/BADAO_LIUMANG_QIZHI/12241085

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Winform中实现自定义水晶按钮控件(附代码下载)

场景

效果

实现

代码下载

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