'宣言 Public Function New( _ ByVal oldDocument As Infragistics.Documents.RichText.RichTextDocument, _ ByVal newDocument As Infragistics.Documents.RichText.RichTextDocument _ )
public DocumentChangedEventArgs( Infragistics.Documents.RichText.RichTextDocument oldDocument, Infragistics.Documents.RichText.RichTextDocument newDocument )