DevExpress自定义Spreadsheetcontrol 单元格右键菜单

using DevExpress.XtraSpreadsheet;
using DevExpress.XtraSpreadsheet.Commands;
using DevExpress.XtraSpreadsheet.Services;
using DevExpress.XtraSpreadsheet.Menu;

private void spreadsheetControl1_PopupMenuShowing(object sender, PopupMenuShowingEventArgs e)
{
if (e.MenuType == SpreadsheetMenuType.Cell)
{
// Remove the "Clear Contents" menu item.
e.Menu.RemoveMenuItem(SpreadsheetCommandId.FormatClearContentsContextMenuItem);

// Disable the "Hyperlink" menu item.
e.Menu.DisableMenuItem(SpreadsheetCommandId.InsertHyperlinkContextMenuItem);

// Create a menu item for the Spreadsheet command, which inserts a picture into a worksheet.
ISpreadsheetCommandFactoryService service = (ISpreadsheetCommandFactoryService)spreadsheetControl1.GetService(typeof(ISpreadsheetCommandFactoryService));
SpreadsheetCommand cmd = service.CreateCommand(SpreadsheetCommandId.InsertPicture);
SpreadsheetMenuItemCommandWinAdapter menuItemCommandAdapter = new SpreadsheetMenuItemCommandWinAdapter(cmd);
SpreadsheetMenuItem menuItem = (SpreadsheetMenuItem)menuItemCommandAdapter.CreateMenuItem(DevExpress.Utils.Menu.DXMenuItemPriority.Normal);
menuItem.BeginGroup = true;
e.Menu.Items.Add(menuItem);

// Insert a new item into the Spreadsheet popup menu and handle its click event.
SpreadsheetMenuItem myItem = new SpreadsheetMenuItem("My Menu Item", new EventHandler(MyClickHandler));
e.Menu.Items.Add(myItem);
}
}

public void MyClickHandler(object sender, EventArgs e)
{
MessageBox.Show("My Menu Item Clicked!");
}