See xlladdins.com for the latest developments in the xll library.
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See xlladdins.com for the latest developments in the xll library.
High performance add-ins for Excel
Thoughts both confusing and enlightening.
Guidelines and thoughts about C++
An Excel blog for engineers and scientists, and an engineering and science blog for Excel users.
xll add-in library 
Hi, I’ve been a lurker around your blog for a few months.
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Sorry to bug you on your blog but I downloaded xll and created a project template in VC10Express.
I ran both the project and setup msi and downloaded and installed the html generator.
Problem is that when I compile it I get fatal error “cannot open file xll.lib”
I cannot find this file on my computer. But perhaps that is an output file.
I am on Windows 10 and using VS 2010 (but would like VS2015 ideally).
Thanks for all your work on this – I hope I get it to work.
Sorry, I’ve been neglecting my blog other than to fork over a couple of bucks a year to WordPress. But you can fork the latest version of this library from https://github.com/keithalewis/xll12. It works with VS2015, but not earlier version.
Hi, I get an error: LPOPERX is underfined! can you tell me name of header file contains this datatype?
Try xll::LPOPERX or using namespace xll.
If that doesn’t solve it, clone https://github.com/xlladdins/xllproject1. Open the solution, set the configuration to Debug, and press F5. It will build the add-in and start Excel with it loaded.
Hi kalx, I’m returning to my passion for excel and starting to work on your project. admittedly this project is quite difficult to approach.
I’m trying to make your code sample more customizable even though I’m a c++ beginner 😦
Hope you are still working on perfecting it.
I put my faith in your ability.
Thank you!
Glad you like it, this is my passion too.
I recently made https://github.com/xlladdins/xll_template into a GitHub template.
Click ‘Use this template’ to get up and running with new projects. It has less baggage than forking.
The only way to learn is by doing. Let me know if you run into problems.
Hi there, attempted to use the install file (setup.exe) and it returned following error:
Name:
From: https://xlladdins.com/xlladdin.vsto
************** Exception Text **************
System.Deployment.Application.DeploymentDownloadException: Downloading https://xlladdins.com/Application Files/xlladdin_1_0_0_9/xlladdin.dll.manifest did not succeed. —> System.Net.WebException: The remote server returned an error: (404) Not Found.
at System.Net.HttpWebRequest.GetResponse()
at System.Deployment.Application.SystemNetDownloader.DownloadSingleFile(DownloadQueueItem next)
— End of inner exception stack trace —
at Microsoft.VisualStudio.Tools.Applications.Deployment.ClickOnceAddInDeploymentManager.GetManifests(TimeSpan timeout)
at Microsoft.VisualStudio.Tools.Applications.Deployment.ClickOnceAddInDeploymentManager.InstallAddIn()
Thanks. I will look into it and let you know.