Gets or sets the format to use when representing the current date and time.
Object.defineProperty(AnnBatesDateTime.prototype, 'format',
get: function(),
set: function(value)
)
format: string;
A value indicating the format to use to represent the current date and time.
This will be used when calling AsString method to get current date time on a specified AnnDateTimeKind format.
For an example, refer to IAnnBatesElement.