Gets the built-in number format ID.
 
Declaration
  public int BuiltInID { get; }
 
  Public ReadOnly Property BuiltInID As Integer
 
Property Value
  
    
      | Type | 
      Description | 
    
  
  
    
      | int | 
      An integer value represents the built-in number format ID. MinValue if the number format is custom. 
 |