ContextMenuStrip Items Collection Editor
.NET Framework 3.5
The ContextMenuStrip Items Collection Editor allows you to add, remove, and reorder ToolStripItem controls of a ContextMenuStrip and view and set ContextMenuStrip and ToolStripItem properties.
Display the ContextMenuStrip Items Collection Editor by:
Right-clicking a ContextMenuStrip control in the designer and choosing Edit Items from the shortcut menu.
Clicking the smart tag on a ContextMenuStrip control in the designer and choosing Edit Items from the ContextMenuStrip Tasks dialog box.