C#toolTip应用

namespace WindowsFormsApplication1
{
    partial class Form1
    {
        /// <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 Windows 窗体设计器生成的代码

        /// <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.components = new System.ComponentModel.Container();
            this.pictureBox1 = new System.Windows.Forms.PictureBox();
            this.toolTip1 = new System.Windows.Forms.ToolTip(this.components);
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
            this.SuspendLayout();
            // 
            // pictureBox1
            // 
            this.pictureBox1.Anchor = System.Windows.Forms.AnchorStyles.None;
            this.pictureBox1.Location = new System.Drawing.Point(67, 25);
            this.pictureBox1.Name = "pictureBox1";
            this.pictureBox1.Size = new System.Drawing.Size(426, 275);
            this.pictureBox1.TabIndex = 0;
            this.pictureBox1.TabStop = false;
            this.pictureBox1.MouseEnter += new System.EventHandler(this.pictureBox1_MouseEnter);
            // 
            // Form1
            // 
            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(570, 324);
            this.Controls.Add(this.pictureBox1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.Load += new System.EventHandler(this.Form1_Load);
            ((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
            this.ResumeLayout(false);

        }

        #endregion

        private System.Windows.Forms.PictureBox pictureBox1;
        private System.Windows.Forms.ToolTip toolTip1;
    }
}

 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            toolTip1.Active = true;
            this.pictureBox1.Image = Image.FromFile(@"D:\u=2407710322,4021140033&fm=23&gp=0.jpg");//动态加载图片
            this.pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;//设置图片显示方式
            pictureBox1.Anchor = (AnchorStyles.Bottom|AnchorStyles.Left|AnchorStyles.Right| AnchorStyles.Top);
        }

        private void pictureBox1_MouseEnter(object sender, EventArgs e)
        {
            toolTip1.SetToolTip(pictureBox1,"暗黑血统2");
        }
    }
}