[WinForm]ToolTip 使用小计

关键代码：

using System.Drawing;
using System.Windows.Forms;

namespace WinFormUtilHelpV2
{
    /// <summary>
    /// 基于.NET 2.0的Tooltip工具类
    /// </summary>
    public static class TooltipToolV2
    {
        /// <summary>
        /// 为控件提供Tooltip
        /// </summary>
        /// <param name="control">控件</param>
        /// <param name="tip">ToolTip</param>
        /// <param name="message">提示消息</param>
        public static void ShowTooltip(this Control control, ToolTip tip, string message)
        {
            Point _mousePoint = Control.MousePosition;
            int _x = control.PointToClient(_mousePoint).X;
            int _y = control.PointToClient(_mousePoint).Y;
            tip.Show(message, control, _x, _y);
            tip.Active = true;
        }
        /// <summary>
        /// 为控件提供Tooltip
        /// </summary>
        /// <param name="control">控件</param>
        /// <param name="tip">ToolTip</param>
        /// <param name="message">提示消息</param>
        /// <param name="durationTime">保持提示的持续时间</param>
        public static void ShowTooltip(this Control control, ToolTip tip, string message, int durationTime)
        {
            Point _mousePoint = Control.MousePosition;
            int _x = control.PointToClient(_mousePoint).X;
            int _y = control.PointToClient(_mousePoint).Y;
            tip.Show(message, control, _x, _y, durationTime);
            tip.Active = true;
        }
        /// <summary>
        /// 为控件提供Tooltip
        /// </summary>
        /// <param name="control">控件</param>
        /// <param name="tip">ToolTip</param>
        /// <param name="message">提示消息</param>
        /// <param name="xoffset">水平偏移量</param>
        /// <param name="yoffset">垂直偏移量</param>
        public static void ShowTooltip(this Control control, ToolTip tip, string message, int xoffset, int yoffset)
        {
            Point _mousePoint = Control.MousePosition;
            int _x = control.PointToClient(_mousePoint).X;
            int _y = control.PointToClient(_mousePoint).Y;
            tip.Show(message, control, _x + xoffset, _y + yoffset);
            tip.Active = true;
        }
        /// <summary>
        /// 为控件提供Tooltip
        /// </summary>
        /// <param name="control">控件</param>
        /// <param name="tip">ToolTip</param>
        /// <param name="message">提示消息</param>
        /// <param name="xoffset">水平偏移量</param>
        /// <param name="yoffset">垂直偏移量</param>
        /// <param name="durationTime">保持提示的持续时间</param>
        public static void ShowTooltip(this Control control, ToolTip tip, string message, int xoffset, int yoffset, int durationTime)
        {
            Point _mousePoint = Control.MousePosition;
            int _x = control.PointToClient(_mousePoint).X;
            int _y = control.PointToClient(_mousePoint).Y;
            tip.Show(message, control, _x + xoffset, _y + yoffset, durationTime);
            tip.Active = true;
        }
    }
}

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }使用示例：

using System;
using System.Windows.Forms;
using WinFormUtilHelpV2;

namespace TooltipToolV2Test
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            button1.ShowTooltip(toolTip, "button1_Click");
        }
        private void listBox1_Click(object sender, EventArgs e)
        {
            listBox1.ShowTooltip(toolTip, "listBox1_Click", 500);
        }
    }
}

.csharpcode, .csharpcode pre
{
font-size: small;
color: black;
font-family: consolas, "Courier New", courier, monospace;
background-color: #ffffff;
/*white-space: pre;*/
}
.csharpcode pre { margin: 0em; }
.csharpcode .rem { color: #008000; }
.csharpcode .kwrd { color: #0000ff; }
.csharpcode .str { color: #006080; }
.csharpcode .op { color: #0000c0; }
.csharpcode .preproc { color: #cc6633; }
.csharpcode .asp { background-color: #ffff00; }
.csharpcode .html { color: #800000; }
.csharpcode .attr { color: #ff0000; }
.csharpcode .alt
{
background-color: #f4f4f4;
width: 100%;
margin: 0em;
}
.csharpcode .lnum { color: #606060; }代码效果：

[WinForm]ToolTip 使用小计