I've been trying to build a simple XLL that will just create a process with a hard coded command line. Here is my code: #include "pch.h" BOOL APIENTRY DllMain( HMODULE hModule, DWORD ul...

I have a small program that takes input in the form of ascii characters. I need to be able to convert these to keycodes for use with x11 functions. Is there a xlib function to do this or another li...

I have a piece of C++ code, which creates a XLL (Excel add-in). It can be successfully loaded by Excel, and works perfectly. Then, I switched to 64-bit Excel, and the code stopped working. So I ha...

I'm building XLL add-ins for Excel, using C++ and XLW library. It works fine on my PC, and on many others. But in some cases, when I drag the XLL into a new Excel window, this error shows up: T...

I am developing an Excel XLL Add-In using Excel-DNA and C#. The Add-In is called MyAddIn.xll. The Add-In has been saved to the users local machines, and it has been installed/added to Excel by the ...

I am working on an excel sheet in which, with the help of an xll addin, I am trying to update the data. I press Ctrl+Alt+F9 to start the calculations, but the calculation stops at any keypress or c...

I have developed an Excel XLL using ExcelDNA and C#. I am at the point where I would like to begin testing the deployment, but cannot find much information that actually provides steps that work. ...

I have a particular function in an Excel addin(xll). The addin is proprietary and we do not have access to the source code. However we need to call some functions contained within the addin and we ...

I have a few mathematical simulations in unmanaged C++ and now I need to integrate them with Excel (so that it is possible to call the functions from Excel and get the values back). I don't want to...

I am just discovering the world of programming XLLs for Excel using XLW under Visual C++ 2010 and everything has been smooth so far using the template provided with the XLW package, I have a few qu...

I'd like to get the current (possibly uncommitted) text out of the formula bar in Excel (from an addin in-process). All "usual" techniques don't work, like GetWindowText(...), etc. As for cursor p...

I'm using Delphi to make an XLL add-in for Excel, which involves making a lot of calls to the Excel4v function of xlcall32.dll. However, as I'm guessing very few Delphi experts here have worked wit...