This method encapsulates the process of creating transient elements in the document. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 17.0.0.0 (17.0.1090.0) 
Syntax
| C# | 
|---|
   |  
| Visual Basic | 
|---|
   |  
| Visual C++ | 
|---|
   |  
Parameters
- maker
 -  Type:  Autodesk.Revit.DB ITransientElementMaker  
An instance of a class that implements the ITransientElementMaker interface. The maker will be called to create element(s) which would become transient. 
Remarks
 The method establishes a context within which transient elements will be created and then invokes the given maker object to create the elements. For more information refer to the  IsTransient  method. 
 Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL | 
| Autodesk.Revit.Exceptions InvalidOperationException | This Document has an open editing transaction and is accepting changes. -or- This Document is read-only: It cannot be modified. |