private void OnSaveAs()
{
SaveAsDocumentRequestedArg arg = new SaveAsDocumentRequestedArg(EditorTabContentViewModel);
Util.EventAggregator <SaveAsDocumentRequestedArg> .Instance.Publish(this, arg);
}
private void OnSaveAsDocumentRequested(object sender, SaveAsDocumentRequestedArg arg)
{
arg.SourceTabContentViewModel.SaveFile(saveAs: true);
NotifyCurrentFilePathChanged();
}
