XDoc.Excel
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C# Excel How-Tos

PM > Install-Package XDoc.Excel

Overview Install Get to Start Basic SDK Concept Formats Supported Load, Save XLSX Preview XLSX Excel Conversion Document, Sheets Process Annotate Excel Text Search Edit Images Excel Thumbnail

C# Excel Library
How to C#: Generate Thumbnail for Excel


Support Thumbnail Generation with Various Options for Quick Excel Navigation





You can navigate through Excel document in your C#.NET application via thumbnail. And generating thumbnail for Excel document is an easy work. Please see C# programming example as below.


How to Create Thumbnail for Excel in C#



This is a simple C# example for Excel thumbnail creation. As you see, you are allowed to define and control the size of Excel thumbnail. 

XLSXDocument doc = new XLSXDocument(@"C:\1.xlsx");
BasePage page = doc.GetPage(0);
Size size = new Size(200, 200);
Bitmap bmp = page.ConvertToImage(size);