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unit Unit1;
interface
uses
Winapi.Windows, Winapi.Messages,
System.SysUtils, System.Variants, System.Classes,
Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Label1: TLabel;
Edit1: TEdit;
Label2: TLabel;
Edit2: TEdit;
Button3: TButton;
Label3: TLabel;
Label4: TLabel;
Edit3: TEdit;
Edit4: TEdit;
Button4: TButton;
Button5: TButton;
Button6: TButton;
Button7: TButton;
procedure FormCreate(Sender: TObject);
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button3Click(Sender: TObject);
procedure Button4Click(Sender: TObject);
procedure Button5Click(Sender: TObject);
private
{ Déclarations privées }
public
{ Déclarations publiques }
procedure affedit;
end;
var
Form1: TForm1;
type
t3=record
s3: string;
i3: integer;
j3: integer;
a3: array of variant;
end;
t2=record
s2: string;
i2: integer;
a2: array of t3;
end;
t1=record
s1: string;
i1: integer;
a1: array of t2;
end;
var
b, b2: t1;
implementation
{$R *.dfm}
procedure TForm1.affedit;
begin
edit1.text:=b.s1;
edit2.text:=b2.s1;
edit3.text:=b.a1[0].a2[1].j3.tostring;
edit4.text:=b2.a1[0].a2[1].j3.tostring;
end;
// remplissage de la variable b1 avec des valeurs
procedure TForm1.Button1Click(Sender: TObject);
var
i, j, k, x, y, z: integer;
begin
// raz b et b2
b.s1:='';
b.i1:=0;
setlength(b.a1, 0);
b2.s1:='';
b2.i1:=0;
setlength(b2.a1, 0);
edit1.text:='';
edit2.text:='';
edit3.text:='';
edit4.text:='';
// on peut mettre les valeurs que l'on veut pour x, y et z
x:=5;
y:=10;
z:=15;
// remplissage de tous les niveaux
b.s1:='chaine';
b.i1:=x;
// en définissant bien la taille des array avant de les remplir
setlength(b.a1, b.i1);
for i:=0 to b.i1-1 do
begin
b.a1[i].s2:='chaine_i_'+i.tostring;
b.a1[i].i2:=y;
setlength(b.a1[i].a2, b.a1[i].i2);
for j:=0 to b.i1-1 do
begin
b.a1[i].a2[j].s3:='chaine_j_'+j.tostring;
b.a1[i].a2[j].i3:=z;
b.a1[i].a2[j].j3:=z-3;
setlength(b.a1[i].a2[j].a3, b.a1[i].a2[j].i3);
for k:=0 to b.a1[i].a2[j].i3-1 do
begin
b.a1[i].a2[j].a3[k]:='chaine_k_'+k.tostring;
end;
end;
end;
edit1.text:=b.s1;
edit3.text:=b.a1[0].a2[1].j3.tostring;
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
// affectation des valeurs de b à b2
b2:=b;
affedit;
end;
procedure TForm1.Button3Click(Sender: TObject);
begin
// modification valeur de b.s1
b.s1:='autre nom';
// pas de répercussion sur b2.s1
affedit;
end;
procedure TForm1.Button4Click(Sender: TObject);
begin
// modification valeur de b.a1[0].a2[1].j3
b.a1[0].a2[1].j3:=20;
// répercussion sur b2.a1[0].a2[1].j3
affedit;
end;
procedure TForm1.Button5Click(Sender: TObject);
var
i, j, k: integer;
begin
b2.s1:=b.s1;
b2.i1:=b.i1;
setlength(b2.a1, b.i1);
for i:=0 to b.i1-1 do
begin
b2.a1[i].s2:=b.a1[i].s2;
b2.a1[i].i2:=b.a1[i].i2;
setlength(b2.a1[i].a2, b.a1[i].i2);
for j:=0 to b.a1[i].i2-1 do
begin
b2.a1[i].a2[j].s3:=b.a1[i].a2[j].s3;
b2.a1[i].a2[j].i3:=b.a1[i].a2[j].i3;
b2.a1[i].a2[j].j3:=b.a1[i].a2[j].j3;
setlength(b2.a1[i].a2[j].a3, b.a1[i].a2[j].i3);
for k:=0 to b.a1[i].a2[j].i3-1 do
b2.a1[i].a2[j].a3[k]:=b.a1[i].a2[j].a3[k];
end;
end;
affedit;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
Button1Click(sender);
end;
end. |
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