May 3, 2018 · MESCIUS's Documents for Excel API is a powerful tool for generating and modifying spreadsheets, all in code, with no Excel dependencies. Let's use it to make a three-sheet XLSX file complete with tables, a pivot table, and a chart, all in code.

Oct 7, 2020 · The simplest and fastest way to create an Excel file from C# is to use the Open XML Productivity Tool. The Open XML Productivity Tool comes with the Open XML SDK installation. The tool reverse engineers any Excel file into C# code. The C# code can then be used to re-generate that file. An overview of the process involved is:

Feb 28, 2023 · In order to create or edit Excel files in C++ applications, this article uses a third-party library — Spire.XLS for C++. Spire.XLS for C++ is a professional Excel API that can be applied...

Jun 30, 2015 · ExcelDnaUnpack is a command-line utility to extract the contents of ExcelDna add-ins packed with ExcelDnaPack. The extracted files will be saved to MyAddins\unpacked. As a general answer, XLL are written using the Excel C Api, they are in reality standards dlls.

Jun 7, 2021 · Tailor approach according to these Microsoft guidelines: Read VBA macros (or vbaProject.bin) of an Excel file without opening it in MS Excel; Let us know how you make out!

Feb 3, 2025 · This post will walk you through everything you need to know about adding and using code in Excel. We'll cover the basics of the Visual Basic for Applications (VBA) environment, creating your first macro, and even some practical examples to get you started.

Libxlsxwriter is a C library that can be used to write text, numbers, formulas and hyperlinks to multiple worksheets in an Excel 2007+ XLSX file. It supports features such as: 100% compatible Excel XLSX files.

Feb 8, 2014 · In this tutorial, we will create an Excel Application. Excel is a spreadsheet application developed by Microsoft. Excel features calculation, graphing tools, pivot tables, and a macro programming language. Thus, excel is really important in offices for making reports, request letter, and for some miscellaneous applications.

Aug 8, 2024 · Use the tutorials to introduce yourself to the Action Recorder and Code Editor. These provide step-by-step guidance on how to record your frequent Excel actions, edit those scripts, and create new scripts from scratch. Scripts allow you to record and replay your Excel actions on different workbooks and worksheets.

Jun 2, 2020 · In this tutorial, you’ll learn about VBA and how to write code in an Excel spreadsheet using Visual Basic. You don’t need any prior programming experience to understand this tutorial. However, you will need: