Zone   Create   |  
 Creates a new instance of an area based load and adds it to the document. 
 Namespace: Autodesk.Revit.DB.Mechanical
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
public static Zone CreateAreaBasedLoad(
	Document doc,
	string name,
	ElementId levelId,
	ElementId phaseId
) Parameters
- doc Document
 - The document where the element will be created and added.
 - name String
 - The name of the area based load to be created.
 - levelId ElementId
 - The base level on which the area based load will be created.
 - phaseId ElementId
 - The associative phase on which the area based load is to exist.
 
Return Value
ZoneThe newly created area based load.
| Exception | Condition | 
|---|---|
| ArgumentException | name cannot include prohibited characters, such as "{, }, [, ], |, ;, less-than sign, greater-than sign, ?, `, ~". -or- name is an empty string. -or- The ElementId levelId is not a Level. -or- The id does not represent a valid phase. | 
| ArgumentNullException | A non-optional argument was null | 
| InvalidOperationException | The document is in failure mode: an operation has failed, and Revit requires the user to either cancel the operation or fix the problem (usually by deleting certain elements). | 
| ModificationForbiddenException | The document is in failure mode: an operation has failed, and Revit requires the user to either cancel the operation or fix the problem (usually by deleting certain elements). -or- The document is being loaded, or is in the midst of another sensitive process. | 
| ModificationOutsideTransactionException | The document has no open transaction. |