public bool IsStructuralAnalysisEnabled { get; set; }

Public Property IsStructuralAnalysisEnabled As Boolean
	Get
	Set

public:
property bool IsStructuralAnalysisEnabled {
	bool get ();
	void set (bool value);
}

When structural analysis is disabled the structural analytical model will not be updated automatically by Revit. Enabling structural analysis will not take effect unless the structure discipline is also enabled.