SameObjectQ[object_1, object_2] returns True if and only if the JavaObject expressions object_1 and object_2 refer to the same Java object.

BeginNETBlock[] and EndNETBlock[] are equivalent to the NETBlock function, except that they work across a larger span than the evaluation of a single expression.

CreateCOMObject[str] creates a COM object specified by the string str.

EndNETBlock[] and a preceding BeginNETBlock are equivalent to the NETBlock function, except that they work across a larger span than the evaluation of a single expression.

GetActiveCOMObject[string] acquires an already-running COM object specified by string, which can be either a ProgID (such as "Excel.Application") or a CLSID (such as ...

LoadedNETAssemblies[] returns a list of all the .NET assemblies that have been loaded into the current session.

LoadedNETObjects[] returns a list of all the .NET objects that have been loaded into the current session.

LoadedNETTypes[] returns a list of all the .NET types that have been loaded into the current session.

NETObjectQ[expr] gives True if expr is a valid reference to a .NET object, and False otherwise.

SameObjectQ[object_1, object_2] returns True if and only if the NETObject expressions object_1 and object_2 refer to the same .NET object.