DocumentImport(String, STEPImportOptions, View) Method | 
   Imports a STEP file into the document.
Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntaxpublic ElementId Import(
	string file,
	STEPImportOptions options,
	View pDBView
)
Public Function Import ( 
	file As String,
	options As STEPImportOptions,
	pDBView As View
) As ElementId
public:
ElementId^ Import(
	String^ file, 
	STEPImportOptions^ options, 
	View^ pDBView
)
member Import : 
        file : string * 
        options : STEPImportOptions * 
        pDBView : View -> ElementId Parameters
- file  String
 - 
   Full path of the file to import. File must exist and must be a valid STEP file.
 - options  STEPImportOptions
 - 
   Various import options applicable to the STEP format. If , all options will be set to their respective default values.
 - pDBView  View
 - 
   View used to aid placement of the imported file. If the options specify ThisViewOnly, this argument is required and the imported file
   will only be visible in the specified view. If the options specify center-to-center placement, this argument is required and the imported
   file will be placed in the center of the specified view. Otherwise, this view is used to obtain a base level to associate with the imported
   file.  If not specified, an existing view will be chosen instead and may open a view or associate the imported file to an arbitrary level.
 
Return Value
ElementId
   Returns the element Id of the imported instance.
Exceptions| Exception | Condition | 
|---|
| ArgumentException | 
   Not a valid file for STEP import (.step, .stp., .stpz files are valid).
   -or-
   ThisViewOnly cannot be true when importing a DWG|DGN drawing into a 3D view.
   -or-
   The provided view is not valid for the options provided.
   -or-
   One or more strings describing layer selection is invalid or empty.
   -or-
   The scale is not valid as a CustomScale for use during import.
   -or-
   NullOrEmpty
   -or-
   The view is not printable.
 | 
| ArgumentNullException | 
   A non-optional argument was null
 | 
| FileArgumentNotFoundException | 
   The given file does not exist.
 | 
| InvalidOperationException | 
   Import is temporarily disabled.
 | 
| 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.
 | 
| OptionalFunctionalityNotAvailableException | 
   The STEP Import/Link module is not available in the installed Revit.
 | 
See Also