using System;
using System.Drawing;
using System.Windows.Forms;
 
namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private void Form1_Shown(object sender, EventArgs e)
        {
            contextMenuStrip1.KeyDown += new KeyEventHandler(contextMenuStrip1_KeyDown);
            contextMenuStrip1.Closed += new ToolStripDropDownClosedEventHandler(contextMenuStrip1_Closed);
 
            ContextMenuStrip cms = new ContextMenuStrip();
 
            ToolStripItem item1 = new ToolStripMenuItem();
            item1.Text = "テスト1";
            cms.Items.Add(item1);
            contextMenuStrip1 = cms;
            contextMenuStrip1.Show(new Point(0, 0));
        }
 
        void contextMenuStrip1_Closed(object sender, ToolStripDropDownClosedEventArgs e)
        {
            MessageBox.Show("メニューが閉じられました");
        }
 
        void contextMenuStrip1_KeyDown(object sender, KeyEventArgs e)
        {
            MessageBox.Show("キーが押されました");
        }
 
    }
}
 

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