Links a DWG or DXF file into the project document.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 21.0.0.0 (21.1.1.109)

Syntax

C#
public bool Link(
	string file,
	DWGImportOptions options,
	View pDBView,
	out ElementId elementId
)
Visual Basic
Public Function Link ( _
	file As String, _
	options As DWGImportOptions, _
	pDBView As View, _
	<OutAttribute> ByRef elementId As ElementId _
) As Boolean
Visual C++
public:
bool Link(
	String^ file, 
	DWGImportOptions^ options, 
	View^ pDBView, 
	[OutAttribute] ElementId^% elementId
)

Parameters

file
Type: System..::..String
Full path of the file to link. File must exist and must be a valid DWG or DXF file.
options
Type: Autodesk.Revit.DB..::..DWGImportOptions
Various import options applicable to the DWG or DXF 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 linked.
elementId
Type: Autodesk.Revit.DB..::..ElementId%
The id of linked instance after a successful link.

Return Value

True if successful, otherwise False.

Remarks

Link isn't supported for family documents. Please use import instead.

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentException Not a valid file for DWG import (.dwg and .dxf 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 array of line weights is not valid; either it contains less than expected 255 values, or one or more values are out of range 1 to 16 -or- The scale is not valid as a CustomScale for use during import. -or- NullOrEmpty -or- The view is not printable.
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. -or- This Document is not a project document.
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 DWG Import/Link module is not available in the installed Revit.

See Also