public void CopySelectionIntoClipBoard() { var table = new DataTable(); table.Columns.Add("column1", typeof(string)); table.Columns.Add("column2", typeof(string)); table.Rows.Add(new object[] { "1", "2" }); table.Rows.Add(new object[] { "3", "4" }); var tableView = new TableView { Data = table }; //select two rows tableView.SelectCells(0, 0, 1, 1); //action! copy selection to clipboard //tableView.CopySelection tableView.CopySelectionToClipboard(); Assert.AreEqual("1\t2\r\n3\t4\r\n", Clipboard.GetText()); }