Gets the error message and the parameter name, or only the error message if no parameter name is set.
'Declaration
Public Overridable ReadOnly Property Message As String
public virtual string Message {get;}
Property Value
A text string describing the details of the exception. The value of this property takes one of two forms: Condition Value The
paramName is a null reference (Nothing in Visual Basic) or of zero length. The
message string passed to the constructor. The
paramName is not null reference (Nothing in Visual Basic) and it has a length greater than zero. The
message string appended with the name of the invalid parameter.