Checks whether a layer key exists in the table.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)
Syntax
C#
public bool ContainsKey( ExportLayerKey exportlayerKey )
Parameters
- exportlayerKey ExportLayerKey
- The export layer Key.
Return Value
BooleanTrue if the layer key exists in the table.
Exceptions
| Exception | Condition |
|---|---|
| ArgumentNullException | A non-optional argument was null |