Customize Outlook Express GUI
How to build OE & Windows Mail add-ins in .NET

Add-in Express Home > Add-in Express for Outlook Express > Online Guide

Why  Add-in Express for Outlook Express?

Outlook Express is a free e-mail client that doesn't have any customization features. Add-in Express built a true RAD (Rapid Application Development) base for customizing Outlook Express and Windows Mail with version-neutral, secure, insolated, managed, and deployable add-ins. 

• Managed add-ins for Outlook Express can be developed in all programming language of Visual Studio .NET: VB, C#, C++.
• Isolated add-ins - OE plug-ins based on Add-in Express are loaded add-ins into separate application domains. Therefore, your plug-ins don't have an opportunity to crash Outlook Express or Windows Mail. 
• Version-neutral add-ins - Due to the version-independent programming model of Add-in Express, your add-in developed for Outlook Express will work on Windows Mail and vice versa.
• Deployable add-ins - Setup project are generated automatically to make your Outlook Express plug-ins ready-to-deploy.

Add-in Express for Outlook Express incorporates the Add-in Express Extensions .NET for Outlook Express. This set of components and classes allows for deeper customization of Outlook Express based on a window-embedding technology. With these tools, you can embed your .NET form into Explorer and Inspector windows of Outlook Express. See Embedding custom forms into Outlook Express Windows.

From this Developer's Guide you will also learn how to:

• Build OE and Windows Mail project templates
• Customize Outlook Express menu
• Add a custom button to OE toolbar

Where is the Add-in Express source code?

The source code (run-time and design-time is included in the Premium package Add-in Express for Outlook Express. See the Feature Matrix page for details.

Add-in Express setup program also installs the following text files on your PC: 

• licence.txt – EULA 
• readme.txt – short description of the product, support addresses and such 
• whatsnew.txt – this file describes the latest information on the product features added and bugs fixed.

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