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.... VSX, VSSX, VTSX, VSDM, and VSSM. You can quickly and easily...to VSTM VDX to VSDX VSDM to VSSM VSD to TIFF VSDX to BMP VSDM...