public override EntityDesignerChangeScope CreateChangeScope(string name)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException("name should not be null.");
}
if (_scope != null)
{
throw new InvalidOperationException(Resources.Extensibility_StartChangeScopeFailed);
}
var txn = new EfiTransaction(_editingContext.GetEFArtifactService().Artifact, PROPERTY_EXTENSION_ORIGINATOR_ID, name);
_scope = new ChangeScopeImpl(txn, _editingContext, _extensionToken, this);
return _scope;
}
void IChangeScopeContainer.OnScopeDisposed()
{
_scope = null;
}
void IChangeScopeContainer.OnScopeDisposed()
{
_scope = null;
}