PositiveTimeSpanValidatorAttribute
Declaratively instructs .NET to perform time validation on a configuration property. This class cannot be inherited.
namespace System.Configuration
{
[AttributeUsage(AttributeTargets.Property)]
public sealed class PositiveTimeSpanValidatorAttribute : ConfigurationValidatorAttribute
{
public override ConfigurationValidatorBase ValidatorInstance => new PositiveTimeSpanValidator();
}
}