動的配列の件 (ID：150331)

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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
    TD = Record
      B1: Integer;
      B2: Double;
      B3: Byte;
    End;
type
  TForm1 = class(TForm)
    Button1: TButton;
    Memo1: TMemo;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private 宣言 }
  public
    { Public 宣言 }
  end;

var
  Form1: TForm1;
  P: Pointer;

implementation

{$R *.dfm}

//保存
procedure TForm1.Button1Click(Sender: TObject);
var
    I,J,K: Integer;
    D: array of array of array of TD;
    FileStream: TFileStream;
begin
  SetLength(D, 10, 10, 10 );

for I:=0 to 9 do
  begin
    for J:=0 to 9 do
    begin
      for K:=0 to 9 do
      begin
        D[I,J,K].B1 := I;
        D[I,J,K].B2 := J + 0.1;
        D[I,J,K].B3 := K;
      end;
    end;
  end;

FileStream := TFileStream.Create('AA.TXT',fmCreate);

for I:=0 to 9 do
  begin
    for J:=0 to 9 do
    begin
      for K:=0 to 9 do
      begin
        FileStream.WriteData(D[I,J,K]);
      end;
    end;
  end;

FileStream.Free

end;

//読み込み
procedure TForm1.Button2Click(Sender: TObject);
var
    I,J,K: Integer;
    D: array of array of array of TD;
    FileStream: TFileStream;
    S: String;
begin
  SetLength(D, 10, 10, 10 );

for I:=0 to 9 do
  begin
    for J:=0 to 9 do
    begin
      for K:=0 to 9 do
      begin
        D[I,J,K].B1 := 0;
        D[I,J,K].B2 := 0;
        D[I,J,K].B3 := 0;
      end;
    end;
  end;

FileStream := TFileStream.Create('AA.TXT',fmOpenRead);

for I:=0 to 9 do
  begin
    for J:=0 to 9 do
    begin
      for K:=0 to 9 do
      begin
        FileStream.ReadData(D[I,J,K]);
      end;
    end;
  end;

FileStream.Free;

for I:=0 to 9 do
  begin
    for J:=0 to 9 do
    begin
      S := '';
      for K:=0 to 9 do
      begin
        S := S + IntToStr(D[I,J,K].B1) + FloatToStr(D[I,J,K].B2) + IntToStr(D[I,J,K].B3) + ' ';
      end;
      Memo1.Lines.Add(S);
    end;
  end;

end;

end.

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