Delphi's String type is a four unlike winter winter, with countless articles written its essence, watching AImingoo's book about String Types and PE data sections, there is a bit of touch to write some code test, deep sense author It is also a little harvest of Var A1: String = '1'; A2: String = '2' ;. . . . . . . . . . . . . A1: = A2; A2: = A1; The global variable is then truly let the reference count = 2 smart, you must know why ^ _ ^
