Aspose.Diagram .NET for VSTO

Contents Summary

What is VSTO?

VSTO, or Visual Studio Tools for Office, or Microsoft Visual Studio Tools is part of Microsoft’s Visual Studio .NET tools suite and supports the Microsoft .NET Framework. It is used by developers to write code connecting Microsoft Office Word, Excel and Outlook applications. Developers using VSTO can employ C# or Visual Basic languages. It is an alternative to Visual Basic for Applications, or VBA.

Aspose.Diagram for .Net

Aspose.Diagram is a class library for working with Microsoft Visio files. It allows developers to work with VSD, VSDX, VSS, VST, VSX, VTX, VDW and VDX files on C#, VB.NET, ASP.NET web applications, web services, Mono and Windows applications. It allows you to open files and manipulate the elements of the diagram, from lines and fills, to more complex elements, and then export to VDX, VSX, VTX, XPS, HTML, SVG, SWF, XAML, image or PDF formats.

Aspose.Diagram for VSTO


The developers looking for file format libraries may need to walk through the features provided by the libraries available on the market. Mainly, two factors are considered when choosing an option:

  • Features
  • Efforts required to use the library

If you are a .NET developer looking for faster,easy and light-weight file format library to process files, you may need to compare VSTO(Visual Studio tool for Office) with Aspose. In this case, this project will help you to compare features and code in both libraries.

System Requirements and Supported Platforms

System Requirements

One or more of the following editions of Visual Studio Tools for Office:

  • Microsoft Visual Studio 2005 Tools for the Microsoft Office System
  • Microsoft Visual Studio 2005 Tools for the 2007 Microsoft Office System
  • Visual Studio 2008 Professional Edition
  • Visual Studio 2008 Team Suite Edition
  • One version of Microsoft Office:
  • Microsoft Office Professional 2003 SP1
  • 2007 Microsoft Office system

Supported Operating Systems

Windows 2000; Windows Server 2003; Windows Vista; Windows XP

.NET Framework versions supported

only .NET framework 2.0 or greater.


You can download the latest code at:


To open the project you need to download and install the latest version of Aspose.Diagram for .NET from here and include it in the project.

Support, Extend and Contribute


We offer free support. Anyone who uses our product, whether they have bought them or are using an evaluation, deserves our full attention and respect.

You can log any issues or suggestions related to Aspose .NET for VSTO using any of the following platforms:

Extend and Contribute

Comparison code for Aspose.Diagram for .Net and VSTO source code is available on major social coding websites listed below.Developers are encouraged to download the source code to migrate from VSTO to Aspose.Diagram as per their requirements.

Source Code

You can get the latest source code from one of the following locations.

How to configure the source code

Please follow these simple steps to get started

  • Download/Clone the source code.
  • Open Visual Studio 2010 and Choose File > Open Project.
  • Browse to the latest source code that you have downloaded and Open the .sln file.

Sample Code Examples

This section includes the following topics