Gets boolean value that indicates whether this TdPeriodDate instance is 
TdPeriodDate.Null.
Syntax
            
            
            
            
            'Declaration
 
Public ReadOnly Property IsNull As Boolean
             
        
            
            'Usage
 
Dim instance As TdPeriodDate
Dim value As Boolean
 
value = instance.IsNull
             
        
            
            public bool IsNull {get;}
             
        
            
            public:
property bool IsNull {
   bool get();
}
             
        
             
        
            
            
            Property Value
true if this TdPeriodDate is Null; 
false otherwise.
 
            
            
            
            
            
            
            
            
            
            Requirements
| Product | Versions | Platforms | 
|---|
| .NET | 6, 7 | Windows, Linux, MacOS | 
| .NET Framework | 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 | Windows | 
| .NET Standard | 2.0 | Windows, Linux, MacOS | 
 
            
            See Also