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procedure TForm1.Button2Click(Sender: TObject);
var
    a: Integer;
    p: ^Integer;
begin
    with self.Memo1.Lines do
    begin
        a := 100;
        Add('Êý¾ÝÄÚÈÝ£º' + inttostr(a));
        //---
        p := @a;
        Add('Êý¾ÝµØÖ·£º' + inttostr(Integer(p)));
        //---
        Add('Êý¾ÝµØÖ·Ö¸ÏòµÄÄÚÈÝ£º' + inttostr(p^));
    end;
end;
 
procedure TForm1.Button2Click(Sender: TObject);
type
    PInteger = ^Integer;
    PPInteger = ^PInteger;
var
    a: Integer;
    p: PInteger;
    pp: PPInteger;
begin
    with self.Memo1.Lines do
    begin
        a := 100;
        Add('IntegerÊý¾ÝÄÚÈÝ£º' + inttostr(a));
        //---
        p := @a;
        Add('IntegerÖ¸ÕëÄÚÈÝ£º' + inttostr(Integer(p)));
        Add('IntegerÖ¸ÕëÖ¸ÏòµÄÊý¾Ý£º' + inttostr(p^));
        //---
        pp := @p;
        Add('PIntegerÖ¸ÕëÄÚÈÝ£º' + inttostr(Integer(pp)));
        Add('PIntegerÖ¸ÕëÖ¸ÏòµÄÊý¾Ý£º' + inttostr(Integer(pp^)));
    end;
end;
 
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1¡¢ ·ÅÒ»ÏÂmemo¿Ø¼þ¡¢Ò»¸öbutton¡¢opendialog
ÔÚbuttonµÄclickʼþÖÐ
if opendialog1.Execute then
memo1.Lines.LoadfromFile(opendialog1.filename);  
2¡¢Àļòµ¥µÄʰ¡
var
   Mytxt : TStringList;
begin
   MyText :=
TStringList('ÄãµÄÎı¾Îļþ¼°Â·¾¶');
 
&nbs ......

Delphi±éÀúPanel×é¼þÉϵÄËùÓпؼþ

procedure frmMain.CLS; //Ö÷´°Ìå×Ô¶¨ÒåʼþCLS
var i:integer;
begin
  for i:=0 to panel5.ControlCount -1 do
  begin
    if panel5.Controls[i] is TEdit then  //Edit×é¼þ
    begin
       ((panel5.Contro ......

Delphi ¹Ø¼ü×ÖÏê½â[ÕûÀíÓÚ "³È×Ó" µÄÌû×Ó]


Delphi ¹Ø¼ü×ÖÏê½â[ÕûÀíÓÚ "³È×Ó" µÄÌû×Ó]
absolute
//ËüʹµÃÄãÄܹ»´´½¨Ò»¸öбäÁ¿, ²¢ÇҸñäÁ¿µÄÆðʼµØÖ·ÓëÁíÒ»¸ö±äÁ¿Ïàͬ.
var
Str: string[32];
StrLen: Byte absolute Str;
//Õâ¸öÉùÃ÷Ö¸¶¨Á˱äÁ¿StrLenÆðʼµØÖ·ÓëStrÏàͬ.
//ÓÉÓÚ×Ö·û´®µÄµÚ0¸öλÖñ£´æÁË×Ö·û´®µÄ³¤¶È, ËùÒÔStrLenµÄÖµ¼´×Ö·û´®³¤¶È.
begin ......

Delphi + DBµÄ²éѯÓÅ»¯Éè¼ÆË¼Ïë

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2.¹ÀËãÒ»¸öÊý¾ÝµÄ×î´óÁ¿ ¿ÉÒÔ´ÓÉè¼Æ½Ç¶È Ò²¿ÉÒÔ´Ó¿Í»§ÌṩµÄÊý¾Ý·ÖÎö δÀ´Ò»¶¨ÖÜÆÚÄÚµÄÔ¤Ôö³¤Á¿
3.½«ÌõÂëµÄ³¤¶È±£´æÆðÀ´£¬ÏÈÓÃÌõÂëµÄ³¤¶È½øÐйýÂË£¬Èç¹û80%ÒÔÉϵ ......
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