delphi·½·¨Ö¸ÕëÈçºÎÈëÕ»¡£¡££¿ type TClickObject = procedure (Sender: TObject) Of object;
procedure TForm1.Button9Click(Sender: TObject); var a:TStack; b : TClickObject; begin b := Button10.OnClick; a.Push(@b); //ÕâÑù²»±¨´í£¬µ«ÊÇÔËÐÐÆðÀ´³ÌÐòÖÐ¶Ï a.Push(b); //Õâ¸öÖ±½Ó±¨´í[´íÎó] Unit1.pas(320): Not enough actual parameters end;
IF THEN ELSEÖжà¸öÌõ¼þÔõôд£¬È磺×Ö·û´®S1£¬S2£¬S3£¬S4¾ùÒª²»Îª¿Õ¡£ ÔõôÑù°ÑËüдµ½IFÖÐÈ¥£¿ Çë¸÷λ°ï°ï棬лл£¡ if (S1<>'') and (S2<>'') and (S3<>'') and (S4<>'') then begin ......