Tests for the existence of a category with that name within the map.
Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
 Syntax
Syntax
| C# | 
|---|
| public virtual bool Contains(
	string key
) | 
| Visual Basic | 
|---|
| Public Overridable Function Contains ( _
	key As String _
) As Boolean | 
| Visual C++ | 
|---|
| public:
virtual bool Contains(
	String^ key
) | 
Parameters
- key
- Type: System..::..String
 The category name to be searched for.
Return Value
The Contains method returns True if the name is within the map, otherwise False.
 See Also
See Also