public AndConstraint<TAssertions> NotBeOnOrAfter( 
   DateTime unexpected,
   string because,
   params object[] becauseArgs
)

Parameters

unexpected

The System.DateTime that the current value is expected not to be on nor after.

because

A formatted phrase as is supported by System.String.Format(System.String,System.Object[]) explaining why the assertion is needed. If the phrase does not start with the word because, it is prepended automatically.

becauseArgs

Zero or more objects to format using the placeholders in because.

Reference

DateTimeAssertions<TAssertions> Class
DateTimeAssertions<TAssertions> Members
System.DateTime
System.DateTime
System.String.Format(System.String,System.Object[])