It defines the default behavior for the automatic generation of Mass Zones for each Mass Floor in the Project. Specifying a value here will offset the outside perimeter of a Mass Zone to create the core.

public double MassZoneCoreOffset { get; set; }

Public Property MassZoneCoreOffset As Double
	Get
	Set

public:
property double MassZoneCoreOffset {
	double get ();
	void set (double value);
}