这篇来说一下QQ皮肤Buttom控件的美化：
例图：
说明：
准备一张带有5个状态的按钮图片如
分别对应按钮5种状态
//枚举按钮的状态
public enum State
{
Normal = 1,//按钮默认时
MouseOver = 2,//鼠标移上按钮时
MouseDown = 3,//鼠标按下按钮时
Disable = 4,//当不启用按钮时（也就是按钮属性Enabled==Ture时）
Default = 5//控件得到Tab焦点时
}
AlButton.cs类源码
代码
//作者：阿龙(Along)
//QQ号：646494711
//QQ群：57218890
//网站：http://www.8timer.com
//博客：http://www.cnblogs.com/Along729/
//声明：未经作者许可，任何人不得发布出售该源码，请尊重别人的劳动成果，谢谢大家支持
using System;
using System.Drawing;
using System.Text;
using System.IO;
using System.Reflection;
using System.ComponentModel;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using AlSkin.AlClass;
namespace AlSkin.AlControl.AlButton
{
//枚举按钮的状态
public enum State
{
Normal = 1,//按钮默认时
MouseOver = 2,//鼠标移上按钮时
MouseDown = 3,//鼠标按下按钮时
Disable = 4,//当不启用按钮时（也就是按钮属性Enabled==Ture时）
Default = 5//控件得到Tab焦点时
}
/// <summary>
/// Button控件
/// </summary>
public class AlButton : Button
{
#region 声明
private State state = State.Normal;//设置按钮初始状态为默认状态
public Bitmap _BackImg = ImageObject.GetResBitmap("AlSkin.AlSkinImg.AlButtonImg.Bottom2.png");//做为按钮图像
public Rectangle _BacklightLTRB;//图片等比边界
public bool _IsTabFocus = true;//是否允许Tab焦点
public Brush brush;
#endregion
#region 构造
public AlButton()
{
try
{
this.SetStyle(ControlStyles.DoubleBuffer, true);
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
this.SetStyle(ControlStyles.StandardDoubleClick, false);
this.SetStyle(ControlStyles.Selectable, true);
this.ResizeRedraw = true;
this.BackColor = Color.Transparent;
}
catch { }
}
#endregion
#region 属性
[CategoryAttribute("阿龙自定义属性"), Description("按钮背景图片")]
public Bitmap BackImg
{
get { return this._BackImg; }
set {
_BackImg = value;
this.Invalidate();
}
}
[CategoryAttribute("阿龙自定义属性"), Description("按钮背景光泽重绘边界")]
public Rectangle BacklightLTRB
{
get { return this._BacklightLTRB; }
set { _BacklightLTRB = value; }
}
[DefaultValue(true)]
[CategoryAttribute("阿龙自定义属性"), Description("是否允许Tab焦点")]
public bool IsTabFocus
{
get { return this._IsTabFocus; }
set { _IsTabFocus = value; }
}
#endregion
#region 重写方法
protected override void OnMouseEnter(EventArgs e)
{
state = State.MouseOver;
this.Invalidate();
base.OnMouseEnter(e);
}
protected override void OnMouseLeave(EventArgs e)
{
state = State.Normal;
this.Invalidate();
base.OnMouseLeave(e);
}
protected override void OnMouseDown(System.Windows.Forms.MouseEventArgs e)
{
if ((e.Button & MouseButtons.Left) != MouseButtons.Left) return;
state = State.MouseDown;
this.Invalidate();
base.OnMouseDown(e);
}
protected override void OnMouseUp(System.Windows.Forms.MouseEventArgs e)
{
if ((e.Button & MouseButtons.Left) == MouseButtons.Left)
state = State.Normal;
this.Invalidate();
base.OnMouseUp(e);
}
/// <summary>
/// 重绘控件
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
if (BackImg == null)
{
base.OnPaint(e);
return;
}
int i = (int)state;
if (this.Focused && state != State.MouseDown && _IsTabFocus==true) i = 5;
if (!this.Enabled) i = 4;
Rectangle rc = this.ClientRectangle;
Graphics g = e.Graphics;
base.InvokePaintBackground(this, new PaintEventArgs(e.Graphics, base.ClientRectangle));
try
{
if (BackImg != null)
{
if (_BacklightLTRB !=Rectangle.Empty)
{
ImageDrawRect.DrawRect(g, BackImg, rc, Rectangle.FromLTRB(_BacklightLTRB.X, _BacklightLTRB.Y, _BacklightLTRB.Width, _BacklightLTRB.Height),i,5);
}
else
{
ImageDrawRect.DrawRect(g, BackImg, rc, Rectangle.FromLTRB(10, 10, 10, 10), i, 5);
}
}
}
catch
{ }
Image img = null;
Size txts, imgs;
txts = Size.Empty;
imgs = Size.Empty;
if (this.Image != null)
{
img = this.Image;
}
else if (this.ImageList != null && this.ImageIndex != -1)
{
img = this.ImageList.Images[this.ImageIndex];
}
if (img != null)
{
imgs.Width = img.Width;
imgs.Height = img.Height;
}
StringFormat format1;
using (format1 = new StringFormat())
{
format1.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.Show;
SizeF ef1 = g.MeasureString(this.Text, this.Font, new SizeF((float)rc.Width, (float)rc.Height), format1);
txts = Size.Ceiling(ef1);
}
rc.Inflate(-4, -4);
if (imgs.Width * imgs.Height != 0)
{
Rectangle imgr = rc;
imgr = ImageDrawRect.HAlignWithin(imgs, imgr, this.ImageAlign);
imgr = ImageDrawRect.VAlignWithin(imgs, imgr, this.ImageAlign);
if (!this.Enabled)
{
ControlPaint.DrawImageDisabled(g, img, imgr.Left, imgr.Top, this.BackColor);
}
else
{
g.DrawImage(img, imgr.Left, imgr.Top, img.Width, img.Height);
}
}
Rectangle txtr = rc;
txtr = ImageDrawRect.HAlignWithin(txts, txtr, this.TextAlign);
txtr = ImageDrawRect.VAlignWithin(txts, txtr, this.TextAlign);
format1 = new StringFormat();
format1.HotkeyPrefix = System.Drawing.Text.HotkeyPrefix.Show;
if (this.RightToLeft == RightToLeft.Yes)
{
format1.FormatFlags |= StringFormatFlags.DirectionRightToLeft;
}
brush = new SolidBrush(this.ForeColor);
g.DrawString(this.Text, this.Font, brush, (RectangleF)txtr, format1);
brush.Dispose();
}
#endregion
#region 释放资源
protected override void Dispose(bool disposing)
{
if (disposing)
{
_BackImg.Dispose();
}
base.Dispose(disposing);
}
#endregion
}
}
对象视图
详细大家自己看源码，有什么错误或更好的意见请大家提出来，我会予以修正。
发现博客不能传附件，源码只能上传到自己空间再链过来了。
