Retrieve a definition group by name.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)

Syntax

C#
`public DefinitionGroup this[ string groupName ] { get; }`

Visual Basic
`Public ReadOnly Property Item ( _ groupName As String _ ) As DefinitionGroup Get`

Visual C++
`public: property DefinitionGroup^ Item[String^ groupName] { DefinitionGroup^ get (String^ groupName); }`

Remarks

If the group is not found then a null reference (Nothing in Visual Basic) will be returned.