UIApplication Open |
Opens and activates a Revit document.
Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 25.0.0.0 (25.0.0.0)

Parameters
- fileName String
- A full path to a revit file to be opened. The file can be either a Revit project, template, or family document.
Return Value
UIDocumentThe opened document.

Exception | Condition |
---|---|
ArgumentException | The given 'fileName' is not a Revit file (a project, template, or family document). |
ArgumentNullException | If is passed as 'fileName'. -or- A non-optional argument was null |
FileArgumentNotFoundException | The file specified by 'fileName' cannot be found. |
InvalidOperationException |
|
RevitServerCommunicationException | If there is any server internal error. |

This method, if successful, changes the active document. It is not allowed to have an open transaction in the active document when calling this method. Additionally, this method may not be called from inside an event handler.
