Implemented by each expression visualizer DLL. This interface is used by VisualGDB to create the instances of the expression filters provided by all plugins.
For a list of all members of this type, see IExpressionFilterFactory Members .
Making a custom expression filter (also known as type visualizer) starts with creating an assembly containing a public class implementing this interface and putting this assembly to %VISUALGDB_DIR%\TypeVisualizers.
Assembly: VisualGDBExpressions (in VisualGDBExpressions.dll)