Query Interface for a particular interface support.
            
            
            
            
            
            
            
            '宣言
 
Public Overloads Overridable Function QueryInterfaceOrNull(Of  As ComObject)() As 
             
        
            
            public virtual  QueryInterfaceOrNull<>()
where T: ComObject
             
        
             
        
            
            型パラメータ
- T
 
            戻り値の型
An instance of the queried interface or null if it is not supported