做了一个控件,这样就可以告别图片按钮了:)

程序源代码:

using System;

using System.Collections;

using System.ComponentModel;

using System.Drawing;

using System.Data;

using System.Windows.Forms;

using System.Drawing.Drawing2D;

using System.Drawing.Text;

namespace WindowsControlLibrary1

{

/// <summary>

/// UserControl1 的摘要说明。

/// </summary>

public class UserControl1 : Button

{

/// <summary>

/// 必需的设计器变量。

/// </summary>

private System.ComponentModel.Container components = null;

private bool XiaCen=false;

private bool mouseMove=false;

private Color backColor;

public UserControl1()

{

// 该调用是 Windows.Forms 窗体设计器所必需的。

InitializeComponent();

// TODO: 在 InitComponent 调用后添加任何初始化

backColor=this.backColor;

//this.Text=this.ShowFocusCues.ToString();

}

/// <summary>

/// 清理所有正在使用的资源。

/// </summary>

protected override void Dispose( bool disposing )

{

if( disposing )

{

if( components != null )

components.Dispose();

}

base.Dispose( disposing );

}

#region 组件设计器生成的代码

/// <summary>

/// 设计器支持所需的方法 - 不要使用代码编辑器

/// 修改此方法的内容。

/// </summary>

private void InitializeComponent()

{

//

// UserControl1

//

this.MouseUp += new System.Windows.Forms.MouseEventHandler(this.UserControl1_MouseUp);

this.Paint += new System.Windows.Forms.PaintEventHandler(this.UserControl1_Paint);

this.MouseEnter += new System.EventHandler(this.UserControl1_MouseEnter);

this.KeyUp += new System.Windows.Forms.KeyEventHandler(this.UserControl1_KeyUp);

this.KeyDown += new System.Windows.Forms.KeyEventHandler(this.UserControl1_KeyDown);

this.BackColorChanged += new System.EventHandler(this.UserControl1_BackColorChanged);

this.MouseLeave += new System.EventHandler(this.UserControl1_MouseLeave);

this.MouseDown += new System.Windows.Forms.MouseEventHandler(this.UserControl1_MouseDown);

}

#endregion

protected GraphicsPath GetGraphicsPath(Rectangle rect)

{

GraphicsPath ClientPath = new System.Drawing.Drawing2D.GraphicsPath();

if(rect.Width<=0)

{

rect.Width=1;

}

if(rect.Height<=0)

{

rect.Height=1;

}

ClientPath.AddArc(rect.Left,rect.Top,rect.Height,rect.Height,90f,180f);

ClientPath.AddArc(rect.Right-rect.Height,rect.Top,rect.Height,rect.Height,270f,180f);

ClientPath.CloseFigure();

return ClientPath;

}

protected GraphicsPath GetGraphicsPath1(Rectangle rect)

{

GraphicsPath ClientPath = new System.Drawing.Drawing2D.GraphicsPath();

if(rect.Width<=0)

{

rect.Width=1;

}

if(rect.Height<=0)

{

rect.Height=1;

}

ClientPath.AddArc(rect.Left,rect.Top,rect.Height,rect.Height,190f,80f);

ClientPath.AddArc(rect.Right-rect.Height,rect.Top,rect.Height,rect.Height,270f,80f);

ClientPath.CloseFigure();

return ClientPath;

}

private void DrawYinYing(Graphics gr,bool xiacen)

{

Rectangle rect= this.ClientRectangle;

rect.Inflate(-(rect.Width/10),-(rect.Height)/4);

float bf1=rect.Width/100f;

float bf2=rect.Height/100f;

rect.Y=rect.Y+this.ClientRectangle.Height/4;

if(xiacen)

{

rect.Y=rect.Y+4;

}

GraphicsPath path;

for(int a=1;a<33;a++)

{

float bf3=bf1*a;

float bf4=bf2*a;

Rectangle rect1=rect;

rect1.Inflate(-(int)bf3,-(int)bf4);

path=GetGraphicsPath(rect1);

int r=backColor.R;

int g=backColor.G;

int b=backColor.B;

r=r+3*a;

g=g+3*a;

b=b+3*a;

if(r>255) r=255;

if(g>255) g=255;

if(b>255) b=255;

gr.FillPath(new SolidBrush(Color.FromArgb(r,g,b)),path);

}

}

private void DrawGaoLiang(Graphics g,bool xiacen)

{

Rectangle rect= this.ClientRectangle;

rect.Inflate(-4,-4);

if(xiacen)

{

rect.Y=rect.Y+4;

}

GraphicsPath path=GetGraphicsPath1(rect);

RectangleF rect1=path.GetBounds();

rect1.Height=rect1.Height+1;

g.FillPath(new LinearGradientBrush(rect1,

Color.FromArgb(0xff,0xff,0xff,0xff),

Color.FromArgb(0xff,backColor),LinearGradientMode.Vertical),path);

}

private void DrawText(Graphics g,bool xiacen)

{

Rectangle rect= this.ClientRectangle;

Rectangle rect1= this.ClientRectangle;

StringFormat stringFormat=new StringFormat();

stringFormat.Alignment=StringAlignment.Center;

stringFormat.LineAlignment=StringAlignment.Center;

rect.Y=this.ClientRectangle.Height/5;

if(xiacen)

{

rect.Y=rect.Y+4;

rect1.Y=rect1.Y+4;

}

Font font=this.Font;

if(mouseMove)

{

font=new Font(this.Font,FontStyle.Underline);

}

g.DrawString(this.Text,font,

new SolidBrush(Color.FromArgb(0x66,backColor)),rect,stringFormat);

g.DrawString(this.Text,font,new SolidBrush(this.ForeColor),rect1,stringFormat);

}

private void UserControl1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)

{

if(XiaCen==false)

{

XiaCen=true;

this.Refresh();

}

}

private void UserControl1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)

{

if(XiaCen==true)

{

XiaCen=false;

this.Refresh();

}

}

private void UserControl1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)

{

}

protected override void OnPaint(PaintEventArgs e)

{

base.OnPaint(e);

e.Graphics.FillRectangle(new SolidBrush(backColor),0,0,this.Width,this.Height);

e.Graphics.SmoothingMode=SmoothingMode.HighQuality;

e.Graphics.TextRenderingHint=TextRenderingHint.AntiAliasGridFit;

Rectangle rect=new Rectangle(0,0,this.Width,this.Height);

GraphicsPath ClientPath=GetGraphicsPath(rect);

e.Graphics.FillPath(new SolidBrush(backColor),ClientPath);

this.Region=new System.Drawing.Region(ClientPath);

DrawYinYing(e.Graphics,XiaCen);

DrawGaoLiang(e.Graphics,XiaCen);

DrawText(e.Graphics,XiaCen);

if(this.Focused)

{

e.Graphics.DrawPath(new Pen(Color.FromArgb(0x22,0xff,0xff,0xff), 3), ClientPath);

}

}

private void UserControl1_BackColorChanged(object sender, System.EventArgs e)

{

int r=BackColor.R;

int g=BackColor.G;

int b=BackColor.B;

r=r+0x22;

g=g+0x22;

b=b+0x22;

if(r>255) r=255;

if(g>255) g=255;

if(b>255) b=255;

backColor=Color.FromArgb(r,g,b);

}

private void UserControl1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)

{

if(XiaCen==false && e.KeyCode==Keys.Space)

{

XiaCen=true;

this.Refresh();

}

}

private void UserControl1_KeyUp(object sender, System.Windows.Forms.KeyEventArgs e)

{

if(XiaCen==true && e.KeyCode==Keys.Space)

{

XiaCen=false;

this.Refresh();

}

}

private void UserControl1_MouseEnter(object sender, System.EventArgs e)

{

if(mouseMove==false)

{

mouseMove=true;

this.Refresh();

}

}

private void UserControl1_MouseLeave(object sender, System.EventArgs e)

{

if(mouseMove==true)

{

mouseMove=false;

this.Refresh();

}

}

}

}