Viewing Visio documents without Visio
The simplest way to provide viewing of Visio documents without Visio is to use the Microsoft Outlook desktop application or Windows File Explorer. Microsoft Outlook uses a Visio previewer that can display Visio files either included as e-mail attachments or within SharePoint document libraries, as shown in the following screenshot:
The Visio previewer is the Microsoft Visio Viewer control, but a lot of its functionality has been hidden to reduce it to viewing graphics only.
Embedding the Viewer in a Windows desktop application
The control uses ActiveX technology and has an API that provides developers access to ...