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Excel 2007
Excel 2007 XLL Software Development Kit Documentation

The Microsoft Office Excel 2007 XLL Software Development Kit (SDK) is designed to help you understand the concepts and technologies that relate to creating DLL add-ins for Excel 2007 that use the C API. The C API enables DLLs to tightly integrate with Excel 2007 and access its internal functionality. These DLL add-ins are known as XLLs.

The Excel 2007 XLL Software Development Kit contains a framework library that helps speed up the writing of XLLs, and sample projects to help you get started.

Download the Excel 2007 XLL SDK.

In This Section

Getting Started with the Excel 2007 XLL SDK

Provides links to relevant concepts to help you start creating DLL add-ins for Excel 2007 that use the C API.

Developing Excel 2007 XLLs

Links to general Excel information, guidance on best practices, and warnings of known issues and common mistakes.

Excel 2007 XLL SDK API Function Reference

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

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calculate the differense between to date      aboalwaleed ... Thomas Lee   |   Edit   |  

How we can use (Exel functions2003.2007) to calculate the diffirense between to date? For example:
01 05 2008
-
04 01 1968
the result is =
27 07 0039

and we now the month should be 30 days not less not more i mean we ignore when the moth is 29 or 28 or 31
the month is 30 days


[tfl - 29 July 08] You should post questions like this to the MSDN Forums at http://forums.microsoft.com/msdn or the MSDN Newsgroups at http://www.microsoft.com/communities/newsgroups/en-us/. You are much more likely get a quick response using the forums than through the Community Content.

3 d range reference      daniel17363   |   Edit   |  

I used a 3d reference as =Sheet1:Sheet3!A1:B5 in the define name box to define a range A1 to B5 Named ABCD1 in any of the defined sheets located between Sheet and Sheet3. The name and the "refers to" are accepted yet the VBA code does not accept the range in the instruction

Range("ABCD1").Select

Any help appreciated.

Thanks,

daniel17363

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