NETNew[type] constructs a new object of the specified .NET type. NETNew[type, args...] constructs a new object of the specified .NET type, passing the supplied argument ...
NETObjectToExpression[netObject] converts the specified .NET object reference into its value as a "native" Mathematica expression.
NETType["name", n] represents a .NET type with the specified name.
NETUILink[] returns the MathLink LinkObject used by calls to Mathematica that originate from .NET user-interface actions, or Null if no such link is present.
ReferencedAssemblies is an option to DefineDLLFunction that specifies assemblies needed to compile your function declaration.
ReinstallNET[] is a convenience function that calls UninstallNET[] and then InstallNET[].
ReleaseNETObject[obj] tells the .NET memory-management system to forget any references to the specified NETObject that are being maintained solely for the sake of Mathematica.
RemoveEventHandler[obj@event, delegate] removes the specified delegate from the named event.
ReturnAsNETObject[expr] causes a .NET call during the evaluation of expr to return its result as an object reference (i.e., a NETObject expression), not a value.
SafeArrayAsArray is an option to LoadCOMTypeLibrary that specifies whether to import all SAFEARRAYs as System.Array rather than a typed, single-dimensional managed array.