Aspose.Diagram, is a pure .NET API for working with the Microsoft Visio Object Model.It provides Visio file formats conversions to images, PDF, HTML, XML and XAML formats. Popular file formats supported include VSD, VSS, VDW, VST, VSDX, VSSX, VSTX, VSDM, VSTM, and VSSM....Diagram, you can easily turn your flow diagrams into other formats...