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LoadFrom Method

Replaces the group with the contents of the input file.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 24.0.0.0 (24.0.0.0)
Since:  2024

Syntax

C#
public void LoadFrom(
	string fileName,
	GroupLoadOptions options
)
Visual Basic
Public Sub LoadFrom ( _
	fileName As String, _
	options As GroupLoadOptions _
)
Visual C++
public:
void LoadFrom(
	String^ fileName, 
	GroupLoadOptions^ options
)

Parameters

fileName
Type: SystemString
The file to be used for the replacment.
options
Type: Autodesk.Revit.DBGroupLoadOptions
Group load options.

Examples

CopyC#
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;
   }
}

Exceptions

ExceptionCondition
Autodesk.Revit.ExceptionsArgumentException Not a valid RVT file.
Autodesk.Revit.ExceptionsArgumentNullException A non-optional argument was null
Autodesk.Revit.ExceptionsFileArgumentNotFoundException The given fileName does not exist.
Autodesk.Revit.ExceptionsInvalidOperationException 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.ExceptionsModificationForbiddenException 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.ExceptionsModificationOutsideTransactionException The document containing this GroupType has no open transaction.

See Also