Parameters
- oProject
- Eplan.EplApi.DataModel.Project the PlaceHolder will be assign to.
| Exception | Description | 
|---|---|
| Eplan.EplApi.DataModel.ObjectCreationException | Thrown when the PlaceHolder cannot be created. | 
| Eplan.EplApi.DataModel.ObjectAlreadyCreatedException | Thrown when the PlaceHolder has already been created. |