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
TForm1 =
class(TForm)
mmo1: TMemo;
btn1: TButton;
btn2: TButton;
mmo2: TMemo;
procedure btn1Click(Sender: TObject);
procedure btn2Click(Sender: TObject);
private
function GetSizeAsString(Size: Int64):
string;
{ Private-Deklarationen }
public
{ Public-Deklarationen }
end;
const
PARTITION_BASIC_DATA_GUID = '
ebd0a0a2-b9e5-4433-87c0-68b6b72699c7';
PARTITION_ENTRY_UNUSED_GUID = '
00000000-0000-0000-0000-000000000000';
PARTITION_SYSTEM_GUID = '
c12a7328-f81f-11d2-ba4b-00a0c93ec93b';
PARTITION_MSFT_RESERVED_GUID = '
e3c9e316-0b5c-4db8-817d-f92df00215ae';
PARTITION_LDM_METADATA_GUID = '
5808c8aa-7e8f-42e0-85d2-e1e90434cfb3';
PARTITION_LDM_DATA_GUID = '
af9b60a0-1431-4f62-bc68-3311714a69ad';
PARTITION_MSFT_RECOVERY_GUID = '
de94bba4-06d1-4d40-a16a-bfd50179d6ac';
GTP_ATTRIBUTE_PLATFORM_REQUIRED = $0000000000000001;
GPT_BASIC_DATA_ATTRIBUTE_NO_DRIVE_LETTER = $8000000000000000;
GPT_BASIC_DATA_ATTRIBUTE_HIDDEN = $4000000000000000;
GTP_BASIC_data_ATTRIBUTE_SHADOW_COPY = $2000000000000000;
GTP_BASIC_DATA_ATTRIBUTE_READ_ONLY = $1000000000000000;
PARTITION_ENTRY_UNUSED = $00;
PARTITION_EXTENDED = $05;
PARTITION_FAT_12 = $01;
PARTITION_FAT_16 = $04;
PARTITION_FAT32 = $0B;
PARTITION_IFS = $07;
PARTITION_LDM = $42;
PARTITION_NTFT = $80;
VALID_NTFT = $C0;
Type
PARTITION_STYLE =
type Integer;
PARTITION_INFORMATION_MBR =
record
PartitionType: Byte;
BootIndicator: BOOL;
RecognizedPartition: BOOL;
HiddenSecorts: DWORD;
end;
PARTITION_INFORMATION_GPT =
record
PartitonType: TGUID;
PartitionId: TGUID;
Attributes: DWORD64;
Name: WCHAR;
end;
_PARTITION_INFORMATION_EX =
record
PartitionStyle: PARTITION_STYLE;
StartingOffset: LARGE_INTEGER;
PartitionLength: LARGE_INTEGER;
PartitionNumber: ULONG;
RewritePartition: Boolean;
case Integer
of
0: (Mbr: PARTITION_INFORMATION_MBR);
1: (Gpt: PARTITION_INFORMATION_GPT);
end;
DRIVE_LAYOUT_INFORMATION_MBR =
record
Signature: ULONG;
end;
DRIVE_LAYOUT_INFORMATION_GPT =
record
DiskID: TGUID;
StartingusableOffset: LARGE_INTEGER;
UsableLength: LARGE_INTEGER;
MaxPartitionCount: ULONG;
end;
DRIVE_LAYOUT_INFORMATION_EX =
record
PartitionStyle: DWORD;
PartitionCount: DWORD;
DriveLayoutInfoType:
record
case Integer
of
0: (Mbr: DRIVE_LAYOUT_INFORMATION_MBR);
1: (Gpt: DRIVE_LAYOUT_INFORMATION_GPT);
end;
PartitionInfoEx:
array[0..10]
of _PARTITION_INFORMATION_EX;
end;
const
PARTITION_STYLE_MBR = PARTITION_STYLE(0);
PARTITION_STYLE_GPT = PARTITION_STYLE(1);
PARTITION_STYLE_RAW = PARTITION_STYLE(2);
function FindFirstVolume(lpszVolumeName: LPTSTR; cchBufferLength: DWord): THandle;
stdcall;
external '
kernel32.dll'
name '
FindFirstVolumeW';
function FindNextVolume(hFindVolume: THandle; lpszVolumeName: LPTSTR; cchBufferLength: DWORD): BOOL;
stdcall;
external '
kernel32.dll'
name '
FindNextVolumeW';
function FindVolumeClose(hFindVolume: THandle): BOOL;
stdcall;
external '
kernel32.dll'
name '
FindVolumeClose';
function GetVolumePathNames(lpszVolumeName: LPCTSTR; lpszVolumePathName: LPTSTR; cchBufferLength: DWORD; lpcchReturnLength: PDWORD): BOOL;
stdcall;
external '
kernel32.dll'
name '
GetVolumePathNamesForVolumeNameW';
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.btn1Click(Sender: TObject);
var
h, p: Integer;
Device:
string;
hDevice: Cardinal;
PARTITION_INFORMATION_EX: _PARTITION_INFORMATION_EX;
Len: Cardinal;
StartOffset, PartLength: Int64;
begin
for h := 1
to 9
do
begin
Device:='
\\.\Harddisk1'+IntToStr(h);
hdevice:=CreateFile(PChar(Device), 0, FILE_SHARE_READ
or FILE_SHARE_WRITE,
nil, OPEN_EXISTING, 0, 0);
if hDevice <> INVALID_HANDLE_VALUE
then
begin
ZeroMemory(@PARTITION_INFORMATION_EX, SizeOf(PARTITION_INFORMATION_EX));
DeviceIoControl(hDevice, IOCTL_DISK_GET_PARTITION_INFO_EX,
nil, 0, @PARTITION_INFORMATION_EX, SizeOf(PARTITION_INFORMATION_EX), Len,
nil);
StartOffset:=PARTITION_INFORMATION_EX.StartingOffset.QuadPart;
PartLength:=PARTITION_INFORMATION_EX.PartitionLength.QuadPart;
mmo1.Lines.Add(Device+'
= '+IntToStr(StartOffset)+'
- '+IntToStr(PartLength));
CloseHandle(hDevice);
end;
//end;
end;
end;
procedure TForm1.btn2Click(Sender: TObject);
var
RetBytes: DWORD;
hDevice: Cardinal;
Status: LongBool;
Drive:
string;
Layout: ^DRIVE_LAYOUT_INFORMATION_EX;
I,p: Integer;
PartCount: Integer;
begin
mmo1.Lines.Clear;
mmo2.Lines.Clear;
for I := 0
to 15
do
begin
Drive:='
\\.\PhysicalDrive'+IntToStr(i);
hDevice:=CreateFile(PChar(Drive), 0, FILE_SHARE_READ
or FILE_SHARE_WRITE,
nil, OPEN_EXISTING, 0, 0);
if hDevice<>INVALID_HANDLE_VALUE
then
begin
GetMem(Layout, SizeOf(DRIVE_LAYOUT_INFORMATION_EX) + (SizeOf(_PARTITION_INFORMATION_EX)*15));
Status:=DeviceIoControl(hDevice, IOCTL_DISK_GET_DRIVE_LAYOUT_EX,
nil, 0, Layout, SizeOf(DRIVE_LAYOUT_INFORMATION_EX), RetBytes,
nil);
if (Status=False)
then
mmo1.lines.Add(IntToStr(i+1)+'
. Festplatte abfrage fehlgeschalten')
else
begin
PartCount:=0;
mmo1.Lines.Add(IntToStr(i+1)+'
. Festplatte = '+inttostr(Layout.PartitionCount)+'
Partitionen');
for p := 0
to Layout.PartitionCount-1
do
begin
// if (Layout.partitionInfoEx[p].StartingOffset.QuadPart<>0) and (Layout.partitionInfoEx[p].PartitionLength.QuadPart<>0) then
// begin
mmo1.Lines.Add('
'+inttostr(p+1)+'
. Partition: ');
case Layout.partitionInfoEx[p].PartitionStyle
of
PARTITION_STYLE_MBR: mmo1.Lines.Add('
Part-Typ : MBR');
PARTITION_STYLE_GPT: mmo1.Lines.Add('
Part-Typ : GPT');
PARTITION_STYLE_RAW: mmo1.Lines.Add('
Part-Typ : RAW');
end;
if Layout.PartitionInfoEx[p].PartitionStyle=PARTITION_STYLE_MBR
then
begin
case Layout.PartitionInfoEx[p].Mbr.PartitionType
of
PARTITION_ENTRY_UNUSED: mmo1.lines.Add('
Part-Style : PARTITION_ENTRY_UNUSED');
PARTITION_EXTENDED: mmo1.lines.Add('
Part-Style : PARTITION_EXTENDED');
PARTITION_FAT_12: mmo1.lines.Add('
Part-Style : PARTITION_FAT_12');
PARTITION_FAT_16: mmo1.lines.Add('
Part-Style : PARTITION_FAT_16');
PARTITION_FAT32: mmo1.lines.Add('
Part-Style : PARTITION_FAT32');
PARTITION_IFS: mmo1.lines.Add('
Part-Style : PARTITION_IFS');
PARTITION_LDM: mmo1.lines.Add('
Part-Style : PARTITION_LDM');
PARTITION_NTFT: mmo1.lines.Add('
Part-Style : PARTITION_NTFT');
VALID_NTFT: mmo1.lines.Add('
Part-Style : VALID_NTFT');
else
mmo1.lines.Add('
Part-Style : Unbekannt');
end;
if Layout.PartitionInfoEx[p].Mbr.PartitionType<>PARTITION_ENTRY_UNUSED
then
Inc(PartCount);
end;
mmo1.lines.Add('
PartitionNr: '+IntToStr(Layout.partitionInfoEx[p].PartitionNumber));
mmo1.Lines.Add('
StartSektor: '+IntToStr(Layout.partitionInfoEx[p].StartingOffset.QuadPart));
mmo1.lines.Add('
Länge : '+IntToStr(Layout.partitionInfoEx[p].PartitionLength.QuadPart));
mmo1.Lines.Add('
Größe : '+GetSizeAsString(Layout.partitionInfoEx[p].PartitionLength.QuadPart));
// end;
mmo2.Lines.Add(IntToStr(i+1)+'
. Festplatte = '+inttostr(PartCount)+'
Partitionen');
if Layout.PartitionInfoEx[p].Mbr.PartitionType=PARTITION_IFS
then
begin
mmo2.Lines.Add(#9+inttostr(p+1)+'
.Partition:'+#9+GetSizeAsString(Layout.partitionInfoEx[p].PartitionLength.QuadPart));
end;
end;
end;
CloseHandle(hDevice);
end;
// else mmo1.lines.Add(IntToStr(i)+'. Festplatte hat kein hDeviceHandle');
end;
end;
function TForm1.GetSizeAsString(Size: Int64):
string;
var
new: Extended;
Sign:
String;
c: Integer;
begin
c:=0;
new:=Size;
while new>1024
do
begin
new:=new/1024;
Inc(c);
end;
case c
of
0: Sign:='
Byte';
1: Sign:='
KB';
2: Sign:='
MB';
3: Sign:='
GB';
4: Sign:='
TB';
5: Sign:='
PB';
6: Sign:='
EB';
7: Sign:='
ZB';
8: Sign:='
YB';
else
Sign:='
('+intToStr(c)+'
)';
end;
Result:=FormatFloat('
#,##0.00', new)+Sign;
end;
end.
Programmierung allgemein
9. Okt 2015, 09:50
Zitat
Baum-Darstellung
