| Код |
procedure TForm1.Button1Click(Sender: TObject);
const
NameSize = 4;
VolumeCount = 26;
TotalSize = NameSize * VolumeCount;
Report = 'Volume: %s %s';
var
Buff, Volume : string;
lpQuery : array [0..MAXCHAR - 1] of Char;
I, Count : Integer;
begin
SetLength(Buff, TotalSize);
Count := GetLogicalDriveStrings(TotalSize, @Buff[1]) div NameSize;
if Count = 0 then
Memo1.Lines.Add(SysErrorMessage(GetLastError))
else
for i := 0 to Count - 1 do
begin
Volume := PChar(@Buff[(I * NameSize) + 1]);
case GetDriveType(PChar(Volume)) of
DRIVE_UNKNOWN: Memo1.Lines.Add(Format(Report, [Volume,
'The drive type cannot be determined.']));
DRIVE_NO_ROOT_DIR: Memo1.Lines.Add(Format(Report, [Volume,
'The root path is invalid. For example, no volume is mounted at the path.']));
DRIVE_REMOVABLE:
begin
Volume[3] := #0;
QueryDosDevice(PChar(Volume), @lpQuery[0], MAXCHAR);
Volume[3] := '\';
if String(lpQuery) = '\Device\Floppy0' then
Memo1.Lines.Add(Format(Report, [Volume, 'The drive is a Floppy disk A:.']))
else
if String(lpQuery) = '\Device\Floppy1' then
Memo1.Lines.Add(Format(Report, [Volume, 'The drive is a Floppy disk B:.']))
else
Memo1.Lines.Add(Format(Report, [Volume, 'The drive is a Flash Drive.']));
end;
DRIVE_FIXED:
begin
Volume[3] := #0;
QueryDosDevice(PChar(Volume), @lpQuery[0], MAXCHAR);
Volume[3] := '\';
if Copy(String(lpQuery), 1, 22) = '\Device\HarddiskVolume' then
Memo1.Lines.Add(Format(Report, [Volume, 'The disk cannot be removed from the drive.']))
else
Memo1.Lines.Add(Format(Report, [Volume, 'The drive is a SUBST disk on path: "' +
Copy(String(lpQuery), 5, Length(String(lpQuery))) + '"']));
end;
DRIVE_REMOTE: Memo1.Lines.Add(Format(Report, [Volume, 'The drive is a remote (network) drive.']));
DRIVE_CDROM: Memo1.Lines.Add(Format(Report, [Volume, 'The drive is a CD-ROM drive.']));
DRIVE_RAMDISK: Memo1.Lines.Add(Format(Report, [Volume, 'The drive is a RAM disk.']));
else
Memo1.Lines.Add(Format(Report, [Volume, 'Xpen znaet chto :)']));
end;
end;
end;
|
DRKB. |
