Gets a collection of key/value pairs that provide additional user-defined information about the exception.
            
            
            シンタックス
            
        
            
            
            プロパティ値
An object that implements the 
System.Collections.IDictionary interface and contains a collection of user-defined key/value pairs. The default is an empty collection.
 
            
            
            
            
            
            
            
            
            
            
            
            参照