$RightClickMenu

The function $RightClickMenu displays a right-click menu at the location of the last right click or at (0,0) if none has occurred. It has the following syntax:

$RightClickMenu ("ListOfMenuItems")

where ListOfMenuItems is a string composed of menu item strings separated by semicolons. The menu separator is a valid menu item and is identified by one dash or minus sign “-“.
$RightClickMenu returns a string that identifies the chosen menu item or a null string if no item was chosen. The $RightClickMenu is limited to entries 31 bytes in length.

Example

$RightClickMenu ("Line 1;Line number 2;-;Another Line;Yet Another Line;")