System.ComponentModel.Composition 4.0.0.0 System.Object To be added. Represents a function exported by a . Constructor 4.0.0.0 To be added. Initializes a new instance of the class. Constructor 4.0.0.0 To be added. Initializes a new instance of the class for the specified part and method. The part exporting the method. The method to be exported. Method 4.0.0.0 System.Delegate To be added. Gets a delegate of the specified type. A delegate of the specified type, or null if no such delegate can be created. The type of the delegate to return.