The method
IpfcDetailEntityItem.Draw() temporarily draws a detail entity item, so that it is removed during the next draft regeneration.
The method
IpfcDetailEntityItem.Erase() undraws a detail entity item temporarily, so that it is redrawn during the next draft regeneration.
The method
IpfcDetailEntityItem.Modify() modifies the definition of an entity item using the specified instructions data object.