Как форматировать диск?
Как форматировать диск?
unit Unit1;
interface
uses
SysUtils, WinTypes, WinProcs, Messages, Classes, Graphics, Controls,
Forms, Dialogs, StdCtrls;
type
TUndocSHFormat = class(TForm)
Label1: TLabel;
Combo1: TComboBox;
cmdSHFormat: TButton;
cmdEnd: TButton;
lbMessage: TLabel;
procedure FormCreate(Sender: TObject);
procedure cmdSHFormatClick(Sender: TObject);
procedure cmdEndClick(Sender: TObject);
private
procedure LoadAvailableDrives;
public
end;
var
UndocSHFormat: TUndocSHFormat;
implementation
{$R *.DFM}
type POSVERSIONINFO = ^TOSVERSIONINFO;
TOSVERSIONINFO = record
dwOSVersionInfoSize: Longint;
dwMajorVersion: Longint;
dwMinorVersion: Longint;
dwBuildNumber: Longint;
dwPlatformId: Longint;
szCSDVersion: PChar;
end;
function GetVersionEx(lpVersionInformation: POSVERSIONINFO): Longint; stdcall; external 'kernel32.dll' name 'GetVersionExA';
const VER_PLATFORM_WIN32s = 0;
const VER_PLATFORM_WIN32_WINDOWS = 1;
const VER_PLATFORM_WIN32_NT = 2;
function SHFormatDrive(hwndOwner: longint; iDrive: Longint; iCapacity: LongInt;
iFormatType: LongInt): Longint;
stdcall; external 'shell32.dll';
const SHFD_CAPACITY_DEFAULT = 0;
const SHFD_CAPACITY_360 = 3;
const SHFD_CAPACITY_720 = 5;
//Win95
//Const SHFD_FORMAT_QUICK = 0;
//Const SHFD_FORMAT_FULL = 1;
//Const SHFD_FORMAT_SYSONLY = 2;
//WinNT
//Public Const SHFD_FORMAT_FULL = 0
//Public Const SHFD_FORMAT_QUICK = 1
const SHFD_FORMAT_QUICK: LongInt = 0;
const SHFD_FORMAT_FULL: LongInt = 1;
const SHFD_FORMAT_SYSONLY: LongInt = 2;
function GetLogicalDriveStrings(nBufferLength: LongInt; lpBuffer: PChar): LongInt;
stdcall; external 'kernel32.dll' name 'GetLogicalDriveStringsA';
function GetDriveType(nDrive: PChar): LongInt;
stdcall; external 'kernel32.dll' name 'GetDriveTypeA';
const DRIVE_REMOVABLE = 2;
const DRIVE_FIXED = 3;
const DRIVE_REMOTE = 4;
const DRIVE_CDROM = 5;
const DRIVE_RAMDISK = 6;
function IsWinNT: Boolean;
var osvi: TOSVERSIONINFO;
begin
osvi.dwOSVersionInfoSize := SizeOf(osvi);
GetVersionEx(@osvi);
IsWinNT := (osvi.dwPlatformId = VER_PLATFORM_WIN32_NT);
end;
function GetDriveDisplayString(currDrive: PChar): pchar;
begin
GetDriveDisplayString := nil;
case GetDriveType(currDrive) of
0, 1: GetDriveDisplayString := ' - Undetermined Drive Type -';
DRIVE_REMOVABLE:
case currDrive[1] of
'A', 'B': GetDriveDisplayString := 'Floppy drive';
else
GetDriveDisplayString := 'Removable drive';
end;
DRIVE_FIXED: GetDriveDisplayString := 'Fixed (Hard) drive';
DRIVE_REMOTE: GetDriveDisplayString := 'Remote drive';
DRIVE_CDROM: GetDriveDisplayString := 'CD ROM';
DRIVE_RAMDISK: GetDriveDisplayString := 'Ram disk';
end;
end;
procedure TUndocSHFormat.LoadAvailableDrives;
var
a, r: LongInt;
lpBuffer: array[0..256] of char;
currDrive: array[0..256] of char;
lpDrives: pchar;
begin
getmem(lpDrives, 256);
fillchar(lpBuffer, 64, #32);
r := GetLogicalDriveStrings(255, lpBuffer);
if r <> 0 then
begin
strlcopy(lpBuffer, lpBuffer, r);
for a := 0 to r do
lpDrives[a] := lpBuffer[a];
lpBuffer[r + 1] := #0;
repeat
strlcopy(currDrive, lpDrives, 3);
lpDrives := @lpDrives[4];
Combo1.Items.Add(strpas(currDrive) + ' ' + GetDriveDisplayString(currDrive));
until lpDrives[0] = #0;
end;
end;
procedure TUndocSHFormat.FormCreate(Sender: TObject);
begin
lbMessage.caption := '';
LoadAvailableDrives;
Combo1.ItemIndex := 0;
if IsWinNT then
begin
SHFD_FORMAT_FULL := 0;
SHFD_FORMAT_QUICK := 1;
end
else //it's Win95
begin
SHFD_FORMAT_QUICK := 0;
SHFD_FORMAT_FULL := 1;
SHFD_FORMAT_SYSONLY := 2;
end;
end;
procedure TUndocSHFormat.cmdSHFormatClick(Sender: TObject);
var
resp: Integer;
drvToFormat: Integer;
prompt: string;
begin
drvToFormat := Combo1.ItemIndex;
prompt := 'Are you sure you want to run the Format dialog against ' + Combo1.Text;
if drvToFormat > 0 then
resp := MessageDLG(prompt, mtConfirmation, [mbYes, mbNo], 0)
else
resp := mrYes;
if resp = mrYes then
begin
lbMessage.Caption := 'Checking drive for disk...';
Application.ProcessMessages;
SHFormatDrive(handle, drvToFormat, SHFD_CAPACITY_DEFAULT, SHFD_FORMAT_QUICK);
lbMessage.caption := '';
end;
end;
procedure TUndocSHFormat.cmdEndClick(Sender: TObject);
begin
close;
end;
end.
Автор ответа: Baa
Взято с Vingrad.ru