Comments on: Video HowTo: Create an Excel COM add-in in Visual Studio http://www.add-in-express.com/creating-addins-blog/2009/12/05/excel-addin-net/ All about developing COM add-ins, smart tags and RTD servers in Visual Studio .NET, VSTO and Delphi + Add-in Express Wed, 28 Jul 2010 14:42:41 -0500 http://wordpress.org/?v=2.9.2 hourly 1 By: Joon Nan http://www.add-in-express.com/creating-addins-blog/2009/12/05/excel-addin-net/comment-page-1/#comment-9410 Joon Nan Mon, 12 Apr 2010 10:10:44 +0000 http://www.add-in-express.com/creating-addins-blog/?p=916#comment-9410 Wonderful tutorial! Wonderful tutorial!

]]> By: Dmitry Kostochko http://www.add-in-express.com/creating-addins-blog/2009/12/05/excel-addin-net/comment-page-1/#comment-8832 Dmitry Kostochko Mon, 07 Dec 2009 19:11:34 +0000 http://www.add-in-express.com/creating-addins-blog/?p=916#comment-8832 Thank you for your feedback. The problem is that it's hard to load a UDF into the same AddDomain in which an Excel COM add-in resides. It is possible in very simple scenarios, but I cannot give 100% guarantee it will work properly in all cases. That is why we recommend using XLLs instead of UDFs. Thank you for your feedback. The problem is that it’s hard to load a UDF into the same AddDomain in which an Excel COM add-in resides. It is possible in very simple scenarios, but I cannot give 100% guarantee it will work properly in all cases. That is why we recommend using XLLs instead of UDFs.

]]> By: Yuri http://www.add-in-express.com/creating-addins-blog/2009/12/05/excel-addin-net/comment-page-1/#comment-8826 Yuri Sat, 05 Dec 2009 17:30:29 +0000 http://www.add-in-express.com/creating-addins-blog/?p=916#comment-8826 Thanks for getting back into Excel world :) One thing I would suggest to include is how to make an add-in that with both UI and user defined functions (UDFs) - a very common scenario in the world of finance. Typically GUI will help users enter some obscure parameters for UDFs - offer an app-specific function wizard. Both UDFs & UI must reside inside the same AppDomain (that was a major issue before your XLL project) as they most likely will share considerable state. Thanks for getting back into Excel world :) One thing I would suggest to include is how to make an add-in that with both UI and user defined functions (UDFs) – a very common scenario in the world of finance. Typically GUI will help users enter some obscure parameters for UDFs – offer an app-specific function wizard.

Both UDFs & UI must reside inside the same AppDomain (that was a major issue before your XLL project) as they most likely will share considerable state.

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