IfcWorkCalendarTypeEnum

IfcWorkCalendarTypeEnum是枚举数据类型，指定可以从中选择相关控件的工作日历类型。如果给它应该有助于识别基准日历。
Enumeration definition

Constant	Description
FIRSTSHIFT	Belongs to the first shift.
SECONDSHIFT	Belongs to the second shift.
THIRDSHIFT	Belongs to the third shift.
USERDEFINED
NOTDEFINED