Imports a DGN file to the document.
Namespace: Autodesk.Revit.DBAssembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)
Since: 2013
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
| 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. |