| Revit 2020 API | 
| Document..::..Import Method (String, DGNImportOptions, View, ElementId%) | 
| Document Class See Also | 
   Imports a DGN file to the document.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 20.0.0.0 (20.0.0.377)
Since: 
   2013
 Syntax
Syntax
| C# | 
|---|
| public bool Import( string file, DGNImportOptions options, View pDBView, out ElementId elementId ) | 
| Visual Basic | 
|---|
| Public Function Import ( _ file As String, _ options As DGNImportOptions, _ pDBView As View, _ <OutAttribute> ByRef elementId As ElementId _ ) As Boolean | 
| Visual C++ | 
|---|
| public: bool Import( String^ file, DGNImportOptions^ options, View^ pDBView, [OutAttribute] ElementId^% elementId ) | 
Parameters
- file
- Type: System..::..String
 Full path of the file to import. File must exist and must be a valid DGN file.
- options
- Type: Autodesk.Revit.DB..::..DGNImportOptions
 Various options applicable to the DGN format. If nullNothingnullptra null reference (Nothing in Visual Basic), all options will be set to their respective default values.
- pDBView
- Type: Autodesk.Revit.DB..::..View
 The view into which the file will be imported.
- elementId
- Type: Autodesk.Revit.DB..::..ElementId%
 The id of imported instance after a successful import.
Return Value
True if successful, otherwise False. Exceptions
Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions..::..ArgumentException | Not a valid file for DGN import (.dgn files are valid). -or- ThisViewOnly cannot be true when importing a DWG|DGN drawing into a 3D view -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. -or- Empty DGN model view name characters -or- Visible layer only option must be set to false for DGN import | 
| Autodesk.Revit.Exceptions..::..ArgumentNullException | A non-optional argument was NULL | 
| Autodesk.Revit.Exceptions..::..FileArgumentNotFoundException | The given file does not exist. | 
| Autodesk.Revit.Exceptions..::..InvalidOperationException | Import is temporarily disabled. | 
| Autodesk.Revit.Exceptions..::..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. | 
| Autodesk.Revit.Exceptions..::..ModificationOutsideTransactionException | The document has no open transaction. | 
| Autodesk.Revit.Exceptions..::..OptionalFunctionalityNotAvailableException | The DGN Import/Link module is not available in the installed Revit. |