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Wednesday, September 10, 2008 4:25 PM

Excel 2007 XLL SDK Unicode String Support Update

The Microsoft Excel 2007 XLL SDK introduced a new data structure, the XLOPER12, which allows your addin to obtain Unicode strings in XLL function calls. However, there were a couple of limitations with the implemention of the SDK which prevented your
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Friday, April 11, 2008 1:31 PM

Excel OLE Embedding Errors if you have Managed Add-In Sinking Application Events in Excel

Summary If you build a managed component that loads into Excel's process space, and the managed code uses the PIA (or a custom IA using event delegates) to sink events on the Application object, that Excel instance may encounter problems when used for
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Attachment(s): xlEvents_Sample.zip
Wednesday, April 09, 2008 4:25 PM

Excel 2007 does not return shape data using XLL xlfGetDocument command

Summary Microsoft Excel XLL add-ins using the xlfGetDocument command with the command type 42 to return a matrix of shapes (objects, images, controls) on the active sheet may encounter problems in Excel 2007, because the command fails to return any such
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Tuesday, March 11, 2008 3:00 PM

Excel 2007 Extension Warning On Opening Excel Workbook from a Web Site

Web sites that use an XLS MIME type to open content in Excel 2007 from a web site may see warning alert that file is in a different format than its extension. This is a new alert to Excel 2007. The reason for the alert, and things you can do to work around it, are documented in this post.
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