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

public class MainForm : Form
{
    private Label myLabel;
    private ToolTip toolTip;

    public MainForm()
    {
        // 初始化組件
        InitializeComponent();
    }

    private void InitializeComponent()
    {
        this.myLabel = new Label();
        this.toolTip = new ToolTip();

        // 設置 Label
        this.myLabel.Text = "Hover over me!";
        this.myLabel.Location = new Point(50, 50);
        this.myLabel.AutoSize = true;

        // 設置 ToolTip
        this.toolTip.ToolTipTitle = "Information";
        this.toolTip.ToolTipIcon = ToolTipIcon.Info;

        // 設置 ToolTip 的內容
        this.toolTip.SetToolTip(this.myLabel, "This is a tooltip with an image!");

        // 設置 ToolTip 的圖像
        this.toolTip.Popup += new PopupEventHandler(toolTip_Popup);

        // 添加 Label 到窗體
        this.Controls.Add(this.myLabel);

        // 設定窗體的其他屬性
        this.Text = "ToolTip Example";
        this.Size = new Size(300, 200);
    }

    private void toolTip_Popup(object sender, PopupEventArgs e)
    {
        // 獲取 ToolTip 的圖形
        ToolTip tt = sender as ToolTip;
        if (tt != null)
        {
            // 創建一個圖像
            Bitmap bmp = new Bitmap(16, 16);
            using (Graphics g = Graphics.FromImage(bmp))
            {
                g.Clear(Color.Transparent);
                g.FillEllipse(Brushes.Red, 0, 0, 16, 16); // 繪製紅色圓形
            }

            // 在工具提示中繪製圖像
            e.ToolTipSize = new Size(200, 100); // 設定工具提示的大小
            e.ToolTip = tt;
            e.ToolTip.Draw += (s, args) =>
            {
                args.Graphics.DrawImage(bmp, new Point(0, 0));
                args.Graphics.DrawString(tt.GetToolTip(myLabel), tt.Font, Brushes.Black, new Point(20, 0));
            };
        }
    }

    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new MainForm());
    }
}