mainunit.pas

Delphi7编程80例(完全版)

unit MainUnit;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls;

type
  TMainForm = class(TForm)
    Label1: TLabel;
    Label2: TLabel;
    Label3: TLabel;
    Edit1: TEdit;
    Edit2: TEdit;
    Edit3: TEdit;
    Button1: TButton;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  MainForm: TMainForm;

implementation

{$R *.DFM}

procedure TMainForm.Button1Click(Sender: TObject);
var
  Str1, Str2: Array[1..Max_Path]of Char;   //开辟缓冲区
  Str3: Array[1..127]of Char;
begin
  GetWindowsDirectory(@Str1, 256);   //调用API函数获取Windows目录信息
  GetSystemDirectory(@Str2, 256);   //调用API函数获取System目录信息
  GetTempPath(127, @Str3);         //调用API函数获取Temp目录信息
  Edit1.Text:= Str1;
  Edit2.Text:= Str2;
  Edit3.Text:= Str3;
end;

end.