'Declaration
<ExtensionAttribute()> <ComVisibleAttribute(False)> Public MustInherit NotInheritable Class OpcTechnologiesExtension
'Usage
Dim instance As OpcTechnologiesExtension
[Extension()] [ComVisible(false)] public static class OpcTechnologiesExtension
[Extension()] [ComVisible(false)] public ref class OpcTechnologiesExtension abstract sealed