It is pretty easy to make a custom right click menu or context menu in Flash ActionScript 3. You may try and adapt below source codes for your projects.
PLAIN TEXT
Actionscript:

import flash.net.URLRequest;

import flash.ui.ContextMenu;

var fm_menu:ContextMenu = new ContextMenu();

var copyright:ContextMenuItem = new ContextMenuItem( “Copyright © flashmo.com” );

var credit:ContextMenuItem = new ContextMenuItem( “Free Flash Templates” );

copyright.addEventListener( ContextMenuEvent.MENU_ITEM_SELECT, visit_flashmo );

credit.addEventListener( [...]

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This flash contact form is simply made in Adobe Flash CS3 ActionScript 3. Email validation is better than previous version in ActionScript 2. It sends the form field variables to PHP and loads the response variables back to Flash using URLVariables, URLLoader, and URLRequest classes. It will be very useful for you to use or [...]

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Here is a list of flash tutorial websites for learning ActionScript 3 that every flash developer should know.

Flash and Math - related to Math and Science
Metah.ch - video tutorials
GotoAndLearn - video tutorials
Oman3D - both textual and video tutorials
Lemlinh.com - various collections of flash tutorials
Learning ActionScript 3.0
GotoAndPlay
FlashMyMind
School of Flash
The Tech Labs
Flash Magazine
ActionScript.org
I heart actionscript
Kirupa
Senocular - [...]

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