Add or Modify VBA Macros in Excel Files using C#

Work with VBA Macro in C#

VBA (Visual Basic for Applications) is a programming language that is used in MS Excel files in order to automate spreadsheets related operations. VBA macros are used to write user-defined functions that let you speed up the tasks you have to perform manually. In this article, you will learn how to work with VBA macros in MS Excel files programmatically. By the end of this article, you will be able to extract, add, and modify VBA macros in Excel workbooks using C#.

Work with VBA Macros in Excel Files – C# API

Aspose.Cells for .NET is a C# class library that is designed to automate spreadsheet manipulation from within the .NET applications. The API provides a wide range of features that empower you to create, modify, and convert MS Excel workbooks. In addition, the API makes it possible to work with VBA macros seamlessly. Aspose.Cells for .NET is available for download as a DLL file as well as hosted on NuGet.

PM> Install-Package Aspose.Cells

Extract VBA Macros from an Excel File using C#

Let’s start by extracting the VBA macros from an existing Excel workbook. The following are the steps to perform this operation.

The following code sample shows how to extract VBA macro from an Excel workbook using C#.

Add VBA Macros to an Excel File using C#

Aspose.Cells for .NET also allows you to add VBA macros to existing or new Excel files. This can be done by following the below steps.

The following code sample shows how to add a VBA macro to Excel workbook using C#.

Modify VBA Macro in an Excel File using C#

You can also modify the existing VBA macros in an Excel file using the following steps.

The following code sample shows how to modify a VBA macro in an Excel file using C#.

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Conclusion

VBA macros in MS Excel files are used to automate various types of tasks related to spreadsheets. In order to handle VBA macros programmatically, this article covered how to extract, add, and modify code in VBA modules using C#. You can explore more about the C# spreadsheet manipulation API using documentation.

See Also