[C#] DataGridView 마우스 우클릭 메뉴

ContextMenuStrip mnu = new ContextMenuStrip();
ToolStripMenuItem mnuCopy = new ToolStripMenuItem("Copy");
ToolStripMenuItem mnuCut = new ToolStripMenuItem("Cut");
ToolStripMenuItem mnuPaste = new ToolStripMenuItem("Paste");

//Assign event handlers
mnuCopy.Click += new EventHandler(mnuCopy_Click);
mnuCut.Click += new EventHandler(mnuCut_Click);
mnuPaste.Click += new EventHandler(mnuPaste_Click);

//Add to main context menu
mnu.Items.AddRange(new ToolStripItem[] { mnuCopy, mnuCut, mnuPaste});

//Assign to datagridview
dataGridView1.ContextMenuStrip = mnu;

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private void mnuCopy_Click(object sender, EventArgs e)
{
    // to do..
}