Several of the overloads of
ToString and the different
Parse methods (
TryParseExact) defined on
DateTime take an
This interface defines a single method –
GetFormat which takes a type and returns an object that provides formatting services for the specified type. When
DateTime in concerned this object would be an instance of the
CultureInfo class also implements the
IFormatProvider interface and will also return a
DateTimeFormatInfo instance when called in the context of
DateTime formatting. This is important, as
CultureInfo is the most common implementer of
IFormatProvider that is used for formatting
DateTime instances for display.
It is unlikely that you will ever need to implement
IFormatProvider yourself, at least when
DateTime formatting is concerned.
The most common usages of
DateTime are to provide a culture sensitive display of the
DateTime instance and to parse a string representing a
DateTime into a
DateTime instance. This will be the subject of the next post.