Checks whether a layer key exists in the table.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)
Since: 2014
Syntax
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Parameters
- exportlayerKey
- Type: Autodesk.Revit.DBExportLayerKey
The export layer Key.
Return Value
True if the layer key exists in the table.Exceptions
| Exception | Condition |
|---|---|
| Autodesk.Revit.ExceptionsArgumentNullException | A non-optional argument was null |