public boolean equals(Object obj) {if (!(obj instanceof BookSheetKey)) {return false;}BookSheetKey other = (BookSheetKey) obj;return _bookIndex == other._bookIndex && _sheetIndex == other._sheetIndex;}

public boolean equals ( Object obj ) { if ( ! ( obj instanceof BookSheetKey ) ) { return false ; } BookSheetKey other = ( BookSheetKey ) obj ; return _bookIndex == other . _bookIndex && _sheetIndex == other . _sheetIndex ; }
public override bool Equals(Object obj){BookSheetKey other = (BookSheetKey)obj;return _bookIndex == other._bookIndex && _sheetIndex == other._sheetIndex;}
