Revit 2025 API
Export |
Checks whether a layer key exists in the table.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
public bool ContainsKey( ExportLayerKey exportlayerKey )
Public Function ContainsKey ( exportlayerKey As ExportLayerKey ) As Boolean
public: bool ContainsKey( ExportLayerKey^ exportlayerKey )
member ContainsKey : exportlayerKey : ExportLayerKey -> bool
Parameters
- exportlayerKey ExportLayerKey
- The export layer Key.
Return Value
BooleanTrue if the layer key exists in the table.

Exception | Condition |
---|---|
ArgumentNullException | A non-optional argument was null |
See Also