GroupTypeLoadFrom Method

Replaces the group with the contents of the input file.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
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public void LoadFrom(
	string fileName,
	GroupLoadOptions options
)

Parameters

fileName  String
The file to be used for the replacment.
options  GroupLoadOptions
Group load options.
Exceptions
ExceptionCondition
ArgumentException Not a valid RVT file.
ArgumentNullException A non-optional argument was null
FileArgumentNotFoundException The given fileName does not exist.
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.
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.
ModificationOutsideTransactionException The document containing this GroupType has no open transaction.
Example
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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;
   }
}
See Also