Microsoft Visio Object Model
This content is no longer actively maintained. It is provided as is, for anyone who may still be using these technologies, with no warranties or claims of accuracy with regard to the most recent product version or service release.
Source (Type Library)
The Microsoft® Visio object model is provided by MODELENG.DLL, VISLIB32.DLL, and VISGRF32.DLL, which are included when you install Visio.
Reference Information in Help
Help for this object model is available in VISIO.CHM.