ProgId: OpcLabs.BaseLib.ComInterop.VarType
CLSID (Class ID): 7235ea30-9362-42bc-913a-e1bb1ad850dc
Default interface: OpcLabs.BaseLib.ComInterop.ComTypes._VarType
Event source interface:
For more information, see VarType and OpcLabs.BaseLib.ComInterop.ComTypes._VarType in .NET Reference.