C# .NET Visio Diagram API for creating, editing, and processing VSD, VSX, VTX, VSDX, and other Visio files. Convert diagrams to PDF, PNG & HTML formats....Visio file formats such as VSD, VDX, VSX, VSX, VSSX, VTX, and VTSX...formats such as VSD, VSDX, VTX, VDX, VSX, VSSX, VTSX, VSDM, and VSSM...