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

namespace CustomToolTipTest
{
    public partial class CustomToolTipTestForm : Form
    {
        private Font m_font = new Font("Arial", 15.5F);
        private Button button1;
        private ToolTip m_toolTip;
        private System.ComponentModel.IContainer components = null;

        public CustomToolTipTestForm()
        {
            InitializeComponent();
            this.m_toolTip.Popup += new PopupEventHandler(toolTip1_Popup);
            this.m_toolTip.Draw += new DrawToolTipEventHandler(toolTip1_Draw);
            this.m_toolTip.OwnerDraw = true;
        }

        void toolTip1_Popup(object sender, PopupEventArgs e)
        {
            SizeF size = e.AssociatedControl.CreateGraphics().MeasureString(m_toolTip.GetToolTip(e.AssociatedControl), m_font);
            e.ToolTipSize = new Size(Convert.ToInt32(size.Width), Convert.ToInt32(size.Height));
        }

        void toolTip1_Draw(object sender, DrawToolTipEventArgs e)
        {
            DrawToolTipEventArgs newArgs = new DrawToolTipEventArgs(e.Graphics,
                e.AssociatedWindow, e.AssociatedControl, e.Bounds, e.ToolTipText,
                m_toolTip.BackColor, m_toolTip.ForeColor, m_font);

            newArgs.DrawBackground();
            newArgs.DrawBorder();
            newArgs.DrawText(TextFormatFlags.TextBoxControl);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        protected override void Dispose(bool disposing)
        {
            if (disposing && (components != null))
            {
                components.Dispose();
            }

            this.m_toolTip.Popup -= new PopupEventHandler(toolTip1_Popup);
            this.m_toolTip.Draw -= new DrawToolTipEventHandler(toolTip1_Draw);
            base.Dispose(disposing);
        }

        private void InitializeComponent()
        {
            this.components = new System.ComponentModel.Container();
            this.button1 = new System.Windows.Forms.Button();
            this.m_toolTip = new System.Windows.Forms.ToolTip(this.components);
            this.SuspendLayout();

            this.button1.Location = new System.Drawing.Point(1, 3);
            this.button1.Name = "button1";
            this.button1.Size = new System.Drawing.Size(75, 23);
            this.button1.TabIndex = 0;
            this.button1.Text = "Exit";
            this.m_toolTip.SetToolTip(this.button1, "click to exit");
            this.button1.UseVisualStyleBackColor = true;
            this.button1.Click += new System.EventHandler(this.button1_Click);

            this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
            this.ClientSize = new System.Drawing.Size(292, 273);
            this.Controls.Add(this.button1);
            this.Name = "CustomToolTipTestForm";
            this.Text = "CustomToolTipTestForm";
            this.ResumeLayout(false);
        }
    }

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