Categories New Subcategory Method

Add a new subcategory into the Autodesk Revit document.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)

Syntax

public Category NewSubcategory(
	Category parentCategory,
	string name
)

Public Function NewSubcategory ( 
	parentCategory As Category,
	name As String
) As Category

public:
Category^ NewSubcategory(
	Category^ parentCategory, 
	String^ name
)

member NewSubcategory : 
        parentCategory : Category * 
        name : string -> Category

Category
If successful, the newly created subcategory.

Exceptions

Exception	Condition
ArgumentNullException	Thrown when the input argument-"parentCategory" or "name"-is .
ArgumentException	Thrown when the input argument-"parentCategory"-cannot add subcategory. Thrown when the input argument-"name"-is an illegal name.
InvalidOperationException	Thrown when subcategory creation failed.