untifrmmain.pas

《Delphi实用程序100例》配套书源码盘

unit untiFrmMain;

interface

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

type
  TForm1 = class(TForm)
    Button1: TButton;
    ListBox1: TListBox;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);

var
  DrivePath: string;
  i: Integer;
begin
  for i := 0 to 25 do
  begin
    DrivePath := Char(Ord('A') + i) + ':\';
    case GetDriveType(pchar(DrivePath)) of
      DRIVE_REMOVABLE:
        ListBox1.Items.Add('驱动器' + Char(Ord('A') + i) + '是可移动驱动器'); //如果是硬盘
      DRIVE_FIXED:
        ListBox1.ITEMS.ADD('驱动器' + Char(Ord('A') + i) + '是固定驱动器');
      DRIVE_REMOTE:
        ListBox1.ITEMS.ADD('驱动器' + Char(Ord('A') + i) + '是网络驱动器');
      DRIVE_CDROM:
        ListBox1.ITEMS.ADD('驱动器' + Char(Ord('A') + i) + '是光盘驱动器');
      DRIVE_RAMDISK:
        ListBox1.ITEMS.ADD('驱动器' + Char(Ord('A') + i) + '是虚拟驱动器');
    end;
  end;
end;
end.