System.Core 4.0.0.0 Objects that want to participate in the binding process should implement an IDynamicMetaObjectProvider interface, and implement to return a . For more information, see documentation on the CodePlex Web site and the MSDN article Implementing Dynamic Interfaces. Represents a dynamic object, that can have its operations bound at runtime. Method 4.0.0.0 System.Dynamic.DynamicMetaObject To be added. Returns the responsible for binding operations performed on this object. The to bind this object. The expression tree representation of the runtime value.