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procedure TForm1.Button1Click(Sender: TObject);
const
DRIVE_UNKNOWN = 0;
DRIVE_NO_ROOT_DIR = 1;
DRIVE_REMOVABLE = 2;
DRIVE_FIXED = 3;
DRIVE_REMOTE = 4;
DRIVE_CDROM = 5;
DRIVE_RAMDISK = 6;
var
a : Integer;
str : string;
begin
str := 'C:';
a := GetDriveType(PChar(str));
ShowMessage(IntToStr(a));
end;
case GetDriveType('盘符') of
DRIVE_REMOTE: ShowMessage('网络驱动器');
DRIVE_FIXED: ShowMessage('硬盘驱动器');
DRIVE_CDROM: ShowMessage('光盘驱动器');
end;