DoNETModeless[form] displays the specified .NET form in the foreground and then returns.
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.
FixCRLF["str"] changes the linefeeds in the given string to the CR/LF Windows convention.
FormStartPosition is an option to DoNETModal, DoNETModeless, ShowNETWindow, and ShowNETConsole that controls the onscreen location of the form when it first appears.
GetComplexType[] returns the .NET type that is currently mapped to Mathematica Complex numbers.
GetNETException[] returns the .NET exception object that was thrown in the most recent call from Mathematica to .NET.
KeepNETObject[object] causes the specified object(s) not to be released when the current NETBlock ends. KeepNETObject[object, Manual] causes the specified object to escape ...
LanguageSyntax is an option to NETTypeInfo that specifies which language syntax will be used to display the type information.
LoadCOMTypeLibrary[library] creates a so-called "interop" assembly from the named type library and loads that assembly.
LoadedNETAssemblies[] returns a list of all the .NET assemblies that have been loaded into the current session.