我3年前写的东西，今天拿出来给大家分享下：C#按钮 - Scripts 学盟

namespace Cj_Control
{
using System;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
[DefaultEvent("Click")]
public class ButtonsMax : UserControl
{
private Color BoundsInside = Color.White;
private Color BoundsOutside = Color.FromArgb(80, 0x8b, 0xc9);
private IContainer components;
private Color FontBackColor = Color.White;
private Color LinearGradientDown1 = Color.FromArgb(0xe3, 0xeb, 0xf6);
private Color LinearGradientDown2 = Color.FromArgb(0xd7, 0xe3, 0xf3);
private Color LinearGradientEnter1 = Color.FromArgb(0xe3, 0xeb, 0xf6);
private Color LinearGradientEnter2 = Color.FromArgb(0xfe, 0xfe, 0xff);
private Color LinearGradientUp1 = Color.FromArgb(0xf5, 0xf7, 250);
private Color LinearGradientUp2 = Color.FromArgb(240, 0xf4, 250);
private Mouse_DrawState MDS = Mouse_DrawState.MouseLever;
private bool MouseCBL;
private string strText = string.Empty;
public ButtonsMax()
{
this.InitializeComponent();
//开启双缓存
this.DoubleBuffered = true;
base.SetStyle(ControlStyles.OptimizedDoubleBuffer | ControlStyles.DoubleBuffer | ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint, true);
this.ChangeRegion();
this.ForeColor = Color.FromArgb(80, 0x8b, 0xc9);
this.DrawText = base.Name;
}
/// <summary>
/// 切割圆角
/// </summary>
private void ChangeRegion()
{
GraphicsPath path = new GraphicsPath(FillMode.Winding);
path.AddLines(Fillet_Bounds(0, 0, base.Width, base.Height));
base.Region = new Region(path);
path.Dispose();
}
/// <summary>
/// 为圆角瞄点
/// </summary>
/// <param name="nLeftEdge">起点X坐标</param>
/// <param name="nTopEdge">起点Y坐标</param>
/// <param name="nWidth">宽</param>
/// <param name="nHeight">高</param>
/// <returns></returns>
internal static Point[] Fillet_Bounds(int nLeftEdge, int nTopEdge, int nWidth, int nHeight)
{
int x = nWidth;
int y = nHeight;
Point[] pointArray = new Point[] { new Point(1, 0), new Point(x - 1, 0), new Point(x - 1, 1), new Point(x, 1), new Point(x, y - 1), new Point(x - 1, y - 1), new Point(x - 1, y), new Point(1, y), new Point(1, y - 1), new Point(0, y - 1), new Point(0, 1), new Point(1, 1) };
for (int i = 0; i < pointArray.Length; i++)
{
pointArray.Offset(nLeftEdge, nTopEdge);
}
return pointArray;
}
protected override void Dispose(bool disposing)
{
if (disposing && (this.components != null))
{
this.components.Dispose();
}
base.Dispose(disposing);
}
private void InitializeComponent()
{
base.SuspendLayout();
base.AutoScaleDimensions = new SizeF(6f, 12f);
//base.AutoScaleMode = AutoScaleMode.Font;
//base.Name = "ButtonsMax";
base.Size = new Size(0x57, 0x1d);
base.ResumeLayout(false);
}
// DialogResult
protected override void OnClick(EventArgs e)
{
if (this.MouseCBL)
{
base.OnClick(e);
}
}
protected override void OnMouseDown(MouseEventArgs e)
{
//因为是继承自UserControl ,所以要判断是否是鼠标左键点击
if (e.Button == MouseButtons.Left)
{
this.MouseCBL = true;
this.MDS = Mouse_DrawState.MouseDown;
base.Invalidate();
}
}
protected override void OnMouseEnter(EventArgs e)
{
this.MDS = Mouse_DrawState.MouseEnter;
base.Invalidate();
}
protected override void OnMouseLeave(EventArgs e)
{
this.MDS = Mouse_DrawState.MouseLever;
this.MouseCBL = false;
base.Invalidate();
}
protected override void OnMouseUp(MouseEventArgs e)
{
if (!base.IsDisposed && (e.Button == MouseButtons.Left))
{
this.MDS = Mouse_DrawState.MouseUp;
this.MouseCBL = false;
base.Invalidate();
}
}
protected override void OnPaint(PaintEventArgs e)
{
Graphics graphics = e.Graphics;
RectangleF rect = new RectangleF(0f, 0f, (float)base.Width, ((float)base.Height) / 2f);
RectangleF ef2 = new RectangleF(0f, ((float)base.Height) / 2f, (float)base.Width, (float)(base.Height / 2));
LinearGradientBrush brush = new LinearGradientBrush(rect, this.SG_LinearGradientUp1, this.SG_LinearGradientUp2, LinearGradientMode.Vertical);
LinearGradientBrush brush2 = new LinearGradientBrush(rect, this.SG_LinearGradientDown1, this.SG_LinearGradientDown2, LinearGradientMode.Vertical);
//判断状态,选择适合的画笔、颜色
if (this.MDS == Mouse_DrawState.MouseDown)
{
brush = new LinearGradientBrush(rect, this.SG_LinearGradientDown2, this.SG_LinearGradientDown1, LinearGradientMode.Vertical);
brush2 = new LinearGradientBrush(rect, this.SG_LinearGradientUp2, this.SG_LinearGradientUp1, LinearGradientMode.Vertical);
}
if (this.MDS == Mouse_DrawState.MouseEnter)
{
brush = new LinearGradientBrush(rect, this.SG_LinearGradientUp1, this.SG_LinearGradientUp2, LinearGradientMode.Vertical);
brush2 = new LinearGradientBrush(ef2, this.SG_LinearGradientEnter1, this.SG_LinearGradientEnter2, LinearGradientMode.Vertical);
}
graphics.FillRectangle(brush, rect);
graphics.FillRectangle(brush2, ef2);
Pen pen = new Pen(this.SG_BoundsOutside, 1f);
graphics.DrawLines(pen, Fillet_Bounds(0, 0, base.Width - 1, base.Height - 1));
pen.Color = this.SG_BoundsInside;
graphics.DrawLines(pen, Fillet_Bounds(1, 1, base.Width - 3, base.Height - 3));
pen.Dispose();
//绘制字体
StringFormat format = new StringFormat();
format.LineAlignment = StringAlignment.Center;
format.Alignment = StringAlignment.Center;
SolidBrush brush3 = new SolidBrush(this.SG_FontBackColor);
RectangleF layoutRectangle = new RectangleF(0f, 0f, (float)base.Width, (float)base.Height);
//绘制字体阴影
graphics.DrawString(this.DrawText, this.Font, brush3, layoutRectangle, format);
brush3.Color = this.ForeColor;
layoutRectangle.Offset(0f, 1f);
//绘制字体
graphics.DrawString(this.DrawText, this.Font, brush3, layoutRectangle, format);
brush3.Dispose();
pen.Dispose();
format.Dispose();
}
protected override void OnSizeChanged(EventArgs e)
{
base.OnSizeChanged(e);
this.ChangeRegion();
}

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[EditorBrowsable(EditorBrowsableState.Always), Category("Font"), Browsable(true), Description("设置或获取文本")]
public string DrawText
{
get
{
return this.strText;
}
set
{
this.strText = value;
base.Invalidate();
}
}
[Description("设置或获取文本前景色"), Browsable(true), EditorBrowsable(EditorBrowsableState.Always)]
public override Color ForeColor
{
get
{
return base.ForeColor;
}
set
{
base.ForeColor = value;
base.Invalidate();
}
}
[Category("Color"), EditorBrowsable(EditorBrowsableState.Always), Browsable(true), Description("设置或获内边框色")]
public Color SG_BoundsInside
{
get
{
return this.BoundsInside;
}
set
{
this.BoundsInside = value;
base.Invalidate();
}
}
[EditorBrowsable(EditorBrowsableState.Always), Browsable(true), Description("设置或获取外边框色"), Category("Color")]
public Color SG_BoundsOutside
{
get
{
return this.BoundsOutside;
}
set
{
this.BoundsOutside = value;
base.Invalidate();
}
}
[EditorBrowsable(EditorBrowsableState.Always), Browsable(true), Description("设置或获取字体背景色"), Category("Color")]
public Color SG_FontBackColor
{
get
{
return this.FontBackColor;
}
set
{
this.FontBackColor = value;
base.Invalidate();
}
}
[Browsable(true), EditorBrowsable(EditorBrowsableState.Always), Description("设置或获取渐变Down_1色"), Category("Color")]
public Color SG_LinearGradientDown1
{
get
{
return this.LinearGradientDown1;
}
set
{
this.LinearGradientDown1 = value;
base.Invalidate();
}
}
[Category("Color"), EditorBrowsable(EditorBrowsableState.Always), Browsable(true), Description("设置或获取渐变Down_2色")]
public Color SG_LinearGradientDown2
{
get
{
return this.LinearGradientDown2;
}
set
{
this.LinearGradientDown2 = value;
base.Invalidate();
}
}
[Browsable(true), EditorBrowsable(EditorBrowsableState.Always), Category("Color"), Description("设置或获取渐变色_鼠标进入1")]
public Color SG_LinearGradientEnter1
{
get
{
return this.LinearGradientEnter1;
}
set
{
this.LinearGradientEnter1 = value;
base.Invalidate();
}
}
[EditorBrowsable(EditorBrowsableState.Always), Category("Color"), Browsable(true), Description("设置或获取渐变色_鼠标进入2")]
public Color SG_LinearGradientEnter2
{
get
{
return this.LinearGradientEnter2;
}
set
{
this.LinearGradientEnter2 = value;
base.Invalidate();
}
}
[Browsable(true), EditorBrowsable(EditorBrowsableState.Always), Category("Color"), Description("设置或获取渐变Up_1色")]
public Color SG_LinearGradientUp1
{
get
{
return this.LinearGradientUp1;
}
set
{
this.LinearGradientUp1 = value;
base.Invalidate();
}
}
[EditorBrowsable(EditorBrowsableState.Always), Category("Color"), Browsable(true), Description("设置或获取渐变Up_2色")]
public Color SG_LinearGradientUp2
{
get
{
return this.LinearGradientUp2;
}
set
{
this.LinearGradientUp2 = value;
base.Invalidate();
}
}
}
/// <summary>
/// 绘制的状态
/// </summary>
public enum DrawState
{
Normal,
Hot,
Pressed,
Disable,
Focus
}
/// <summary>
/// 鼠标状态
/// </summary>
internal enum Mouse_DrawState
{
MouseEnter,
MouseLever,
MouseDown,
MouseUp
}
}

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