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....Microsoft Visio file formats such as VSD, VDX, VSX, VSX, VSSX, VTX, and...popular Visio file formats such as VSD, VSDX, VTX, VDX, VSX, VSSX, VTSX...