M

GroupType.LoadFrom

Description:
Replaces the group with the contents of the input file.

public void LoadFrom(
	string fileName,
	GroupLoadOptions options
)

Public Sub LoadFrom ( _
	fileName As String, _
	options As GroupLoadOptions _
)

public:
void LoadFrom(
	String^ fileName, 
	GroupLoadOptions^ options
)

String

fileName

The file to be used for the replacment.
Autodesk.Revit.DB.GroupLoadOptions

options

Group load options.

public void LoadGroup(Group group, string filePath)
{
   GroupLoadOptions options = new GroupLoadOptions();
   options.ReplaceDuplicatedGroups = true;
   options.SetDuplicateTypeNamesHandler(new CustomDuplicateTypeNamesHandler());

   group.GroupType.LoadFrom(filePath, options);
}

class CustomDuplicateTypeNamesHandler : IDuplicateTypeNamesHandler
{
   public DuplicateTypeAction OnDuplicateTypeNamesFound(DuplicateTypeNamesHandlerArgs args)
   {
      return DuplicateTypeAction.UseDestinationTypes;
   }
}

Autodesk.Revit.Exceptions.ArgumentException

Not a valid RVT file.
Autodesk.Revit.Exceptions.ArgumentNullException

A non-optional argument was null
Autodesk.Revit.Exceptions.FileArgumentNotFoundException

The given fileName does not exist.
Autodesk.Revit.Exceptions.InvalidOperationException

The element "this GroupType" is in a document which is in an edit mode or is in family mode. -or- The element "this GroupType" does not belong to a project document. -or- The GroupType is not a Model group type and can't be reloaded.
Autodesk.Revit.Exceptions.ModificationForbiddenException

The document containing this GroupType 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 containing this GroupType is being loaded, or is in the midst of another sensitive process.
Autodesk.Revit.Exceptions.ModificationOutsideTransactionException

The document containing this GroupType has no open transaction.