?參考了這篇文章：

http://www.cnblogs.com/qianlifeng/archive/2010/04/13/1710869.html

?

我的代碼：

JButton.cs

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.Reflection;?

?

namespace?JiaYiControls?

{?

????[DefaultEvent("Click")]?

????public?partial?class?JButton?:?UserControl?

????{?

????????private?Image?_normalImage?=?null;?

????????private?Image?_hoverImage?=?null;?

????????private?Image?_downImage?=?null;?

?

????????public?JButton()?

????????{?

????????????_normalImage=Image.FromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream(@"JiaYiControls.assert.button.normal.bmp"));?

????????????(_normalImage?as?Bitmap).MakeTransparent(Color.FromArgb(255,?0,?255));?

????????????_hoverImage?=?Image.FromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream(@"JiaYiControls.assert.button.hover.bmp"));?

????????????(_hoverImage?as?Bitmap).MakeTransparent(Color.FromArgb(255,?0,?255));?

????????????_downImage?=?Image.FromStream(Assembly.GetExecutingAssembly().GetManifestResourceStream(@"JiaYiControls.assert.button.down.bmp"));?

????????????(_downImage?as?Bitmap).MakeTransparent(Color.FromArgb(255,?0,?255));?

?

????????????InitializeComponent();?

????????????this.BackgroundImage?=?_normalImage;?

????????}?

?

????????[Category("JiaYiControls")]?

????????public?Image?NormalImage?

????????{?

????????????get?{?return?_normalImage;?}?

????????????set?{?_normalImage?=?value;?}?

????????}?

?

????????[Category("JiaYiControls")]?

????????public?Image?HoverImage?

????????{?

????????????get?{?return?_hoverImage;?}?

????????????set?{?_hoverImage?=?value;?}?

????????}?

?

????????[Category("JiaYiControls")]?

????????public?Image?DownImage?

????????{?

????????????get?{?return?_downImage;?}?

????????????set?{?_downImage?=?value;?}?

????????}?

?

????????[Category("JiaYiControls")]?

????????public?string?Caption?

????????{?

????????????get?{?return?this.label1.Text;?}?

????????????set?{?this.label1.Text?=?value;?}?

????????}?

?

????????private?void?label1_Click(object?sender,?EventArgs?e)?

????????{?

????????????this.OnClick(e);?

????????}?

?

????????private?void?label1_MouseUp(object?sender,?MouseEventArgs?e)?

????????{?

????????????this.BackgroundImage?=?_normalImage;?

????????}?

?

????????private?void?label1_MouseDown(object?sender,?MouseEventArgs?e)?

????????{?

????????????this.BackgroundImage?=?_downImage;?

????????}?

?

????????private?void?label1_MouseHover(object?sender,?EventArgs?e)?

????????{?

????????????this.BackgroundImage?=?_hoverImage;?

????????}?

?

????????private?void?label1_MouseLeave(object?sender,?EventArgs?e)?

????????{?

????????????this.BackgroundImage?=?_normalImage;?

????????}?

?

?

????}?

}?

設(shè)計器產(chǎn)生的代碼：

?

namespace?JiaYiControls?

{?

????partial?class?JButton?

????{?

????????///?<summary>?

????????///?必需的設(shè)計器變量。?

????????///?</summary>?

????????private?System.ComponentModel.IContainer?components?=?null;?

?

????????///?<summary>?

????????///?清理所有正在使用的資源。?

????????///?</summary>?

????????///?<param?name="disposing">如果應(yīng)釋放托管資源，為?true；否則為?false。</param>?

????????protected?override?void?Dispose(bool?disposing)?

????????{?

????????????if?(disposing?&&?(components?!=?null))?

????????????{?

????????????????components.Dispose();?

????????????}?

????????????base.Dispose(disposing);?

????????}?

?

????????#region?組件設(shè)計器生成的代碼?

?

????????///?<summary>?

????????///?設(shè)計器支持所需的方法?-?不要?

????????///?使用代碼編輯器修改此方法的內(nèi)容。?

????????///?</summary>?

????????private?void?InitializeComponent()?

????????{?

????????????this.label1?=?new?System.Windows.Forms.Label();?

????????????this.SuspendLayout();?

????????????//??

????????????//?label1?

????????????//??

????????????this.label1.BackColor?=?System.Drawing.Color.Transparent;?

????????????this.label1.Dock?=?System.Windows.Forms.DockStyle.Fill;?

????????????this.label1.Location?=?new?System.Drawing.Point(0,?0);?

????????????this.label1.Name?=?"label1";?

????????????this.label1.Size?=?new?System.Drawing.Size(78,?30);?

????????????this.label1.TabIndex?=?0;?

????????????this.label1.Text?=?"label1";?

????????????this.label1.TextAlign?=?System.Drawing.ContentAlignment.MiddleCenter;?

????????????this.label1.MouseLeave?+=?new?System.EventHandler(this.label1_MouseLeave);?

????????????this.label1.Click?+=?new?System.EventHandler(this.label1_Click);?

????????????this.label1.MouseDown?+=?new?System.Windows.Forms.MouseEventHandler(this.label1_MouseDown);?

????????????this.label1.MouseHover?+=?new?System.EventHandler(this.label1_MouseHover);?

????????????this.label1.MouseUp?+=?new?System.Windows.Forms.MouseEventHandler(this.label1_MouseUp);?

????????????//??

????????????//?JButton?

????????????//??

????????????this.AutoScaleDimensions?=?new?System.Drawing.SizeF(6F,?12F);?

????????????this.AutoScaleMode?=?System.Windows.Forms.AutoScaleMode.Font;?

????????????this.BackColor?=?System.Drawing.Color.Transparent;?

????????????this.BackgroundImageLayout?=?System.Windows.Forms.ImageLayout.Stretch;?

????????????this.Controls.Add(this.label1);?

????????????this.Name?=?"JButton";?

????????????this.Size?=?new?System.Drawing.Size(78,?30);?

????????????this.ResumeLayout(false);?

?

????????}?

?

????????#endregion?

?

????????private?System.Windows.Forms.Label?label1;?

????}?

}?

?

?

只是測試用的代碼而已。

注意在ps里圖片，透明部分，這里顏色是RGB(255,0,255).

?

測試下控件:

?

?

轉(zhuǎn)載于:https://blog.51cto.com/xcf007/432867

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