public override PropertyConstraintViolationError Validate(object value, PropertyDefinition propertyDefinition, IPropertyBag propertyBag)
{
EnhancedTimeSpan t = (value is TimeSpan) ? ((TimeSpan)value) : ((EnhancedTimeSpan)value);
if (EnhancedTimeSpan.Zero != t % this.unit)
{
return(new PropertyConstraintViolationError(DataStrings.ConstraintViolationDontMatchUnit(this.unit.ToString(), t.ToString()), propertyDefinition, value, this));
}
return(null);
}