P

Family.FamilyCategoryId

Description:
The id of the category or sub category in which the elements that this family could generate reside.

public ElementId FamilyCategoryId { get; set; }

Public Property FamilyCategoryId As ElementId
Get
Set

public:
property ElementId^ FamilyCategoryId {
	ElementId^ get ();
	void set (ElementId^ value);
}

Autodesk.Revit.Exceptions.ArgumentException

When setting this property: The input category id cannot be assigned as the new category for this family.
Autodesk.Revit.Exceptions.ArgumentNullException

When setting this property: A non-optional argument was null
Autodesk.Revit.Exceptions.InvalidOperationException

When setting this property: The family is not an owner family for its own editable document.