The VIX API helps you write scripts to automate virtual machine operations and run programs that manipulate files within guest operating systems. VIX programs run on many different systems and support management of vSphere, Workstation, Player, and Fusion. Bindings are provided for C, Perl, and COM (Visual Basic, VBscript, C#).
VIX API 1.12
Released 24 SEP 2012 | SDK Download
This is the standalone VIX release for vSphere 5.x, VMware Fusion 5, Workstation 9, and earlier platform products.
VIX API 1.12 Release Notes
Shows how to open a virtual machine, power it on, and power it off.