In Microsoft .Net, the value of VBNULL is

In Microsoft .Net, the value of VBNULL is

• 0
• 1
• Nothing
• -1 

EXPLANATION

Indicates that the type of a variant object is Nothing. Returned by the VarType function.

C#

public const Microsoft.VisualBasic.VariantType vbNull = 1;

vbNull is a Long with a value of 1. It is probably the most misunderstood constant in all of Visual Basic. It is a variable type constant like vbEmpty (0), vbInteger (2), vbLong (3) etc