Getting Started
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Getting Started with the Excel 2010 XLL SDK

Last modified: November 25, 2009

Applies to: Excel 2010 | Office 2010 | VBA | Visual Studio

The Microsoft Excel 2010 XLL Software Development Kit (SDK) provides information to help you get started with creating DLL add-ins for Excel 2010 that use the C API. This section provides information about the C API and also links to reference documentation to help you get started with Excel 2010 XLL development.

Programming with the C API in Excel 2010

Introduces the C API and discusses how it compares to other programming options in Excel 2010.

What's New in the C API for Excel 2010

Describes updates to the C API for Excel 2010.

Known Issues in Excel XLL Development

Discusses issues encountered in Excel XLL programming.

Excel 2010 XLL SDK API Function Reference

Provides a reference for the Excel callbacks that the XLL can call, the XLL callbacks that Excel looks for, and the key functions in the sample and framework projects.

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