NpgsqlInterval Unary Negation Operator 
      
     
    
       Negates an NpgsqlInterval instance. 
      
        [Visual Basic]
        
        returnValue = NpgsqlInterval.op_UnaryNegation(x)
      
      Parameters
      
        - 
          x
        
- An NpgsqlInterval.
Return Value
      The negation of the argument.
      See Also
      
        NpgsqlInterval Class | NpgsqlTypes Namespace