SPField.ListItemMenuAllowed property
SharePoint 2013
Gets or sets an indication of whether the field, in List View, can show a link to the list item's drop down menu.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Property value
Type: Microsoft.SharePoint.SPField.ListItemMenuStateAn indication of the visibility possibilities of the link to the drop down menu. The default is Allowed.