return NS_OK; }
return NS_OK;
nsFileView::SetShowHiddenFiles(PRBool aShowHidden){  if (aShowHidden != mShowHiddenFiles) {    mShowHiddenFiles = aShowHidden;    // This could be better optimized, but since the hidden    // file functionality is not currently used, this will be fine.    SetDirectory(mDirectoryPath);        return NS_OK;  }}