C# Winform编程之Button

 参考了这篇文章：

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

 

我的代码：

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;
        }


    }
}

设计器产生的代码：

 

namespace JiaYiControls
{
    partial class JButton
    {
        /// <summary>
        /// 必需的设计器变量。
        /// </summary>
        private System.ComponentModel.IContainer components = null;

        /// <summary>
        /// 清理所有正在使用的资源。
        /// </summary>
        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
        protected override void Dispose(bool disposing)
        {
            if (disposing && (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()
        {
            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;
    }
}

 

 

只是测试用的代码而已。

注意在ps里图片，透明部分，这里颜色是RGB(255,0,255).

 

测试下控件: