InfiniteTimeSpanConverter
Converts between a string and the standard infinite TimeSpan value.
using System.ComponentModel;
using System.Globalization;
namespace System.Configuration
{
public sealed class InfiniteTimeSpanConverter : ConfigurationConverterBase
{
private static readonly TypeConverter s_timeSpanConverter = TypeDescriptor.GetConverter(typeof(TimeSpan));
public override object ConvertTo(ITypeDescriptorContext ctx, CultureInfo ci, object value, Type type)
{
ConfigurationConverterBase.ValidateType(value, typeof(TimeSpan));
if (!((TimeSpan)value == TimeSpan.MaxValue))
return s_timeSpanConverter.ConvertToInvariantString(value);
return "Infinite";
}
public override object ConvertFrom(ITypeDescriptorContext ctx, CultureInfo ci, object data)
{
if (!((string)data == "Infinite"))
return s_timeSpanConverter.ConvertFromInvariantString((string)data);
return TimeSpan.MaxValue;
}
}
}