Conclusion

This chapter examined the XML schema mapping features in Word. You have learned how to create a schema using Visual Studio that will work well with Word's schema mapping features. This chapter also covered how to export XML from a Word document using Word's Save Data option when saving as XML. The chapter also addressed using XSLT files to effectively import XML into a Word document. You also learned how to work with VSTO's XMLNode and XMLNodes controls created for a mapped schema. The end of the chapter discussed VSTO's support for the WordML format.

Chapter 23. Developing COM Add-Ins for Word and Excel

Introduction to Add-Ins

Scenarios for Using Add-Ins

How a COM Add-In Is Registered

Implementing IDTExtensibility2

Writing a COM Add-In Using Visual Studio

The Pitfalls of MsCoree.dll

COM Interop and Regasm.exe

Shimming: A Solution to the Problems with MsCoree.dll

Conclusion

Introduction to Add-Ins

Office provides a number of patterns to extend the functionality of Office applications. The most common patterns are these:

• Office automation executables

• Office add-ins

• Code behind an Office document or template

This chapter covers how to write COM add-ins in C# for Word and Excel. It also describes how COM add-ins are registered in the registry and why there is another step called "shimming" that must be taken before deploying a managed COM add-in.

Outlook Add-Ins

VSTO 2005 supports building a new kind of "VSTO-style" add-in for Outlook 2003. The VSTO Outlook add-in project is the preferred way to build Outlook add-ins for Outlook 2003 and is described in Chapter 24, "Creating Outlook Add-Ins with VSTO." The VSTO Outlook add-in project fixes many of the issues in COM add-in development discussed in this chapter as well as some additional Outlook-specific issues. The only reason to write a managed COM add-in for Outlook following the instructions in this chapter is if it must run in versions of Outlook older than Outlook 2003.