パーティションの情報を取得します。
#include <stdio.h>
#include <tchar.h>
#include <iostream>
#include <windows.h>
//#include <Mountmgr.h> // --> WindowsDDKです。
int _tmain
(
int argc
, _TCHAR* argv[]
)
{
// 標準出力にユニコードを表示できるようにする
setlocale( LC_ALL, "Japanese" );
// "C:"は論理ドライブ名称です。
HANDLE hDevice = CreateFile(L"¥¥¥¥.¥¥C:", 0,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, NULL);
if ( hDevice != INVALID_HANDLE_VALUE ) {
/*
IOCTL_MOUNTDEV_QUERY_DEVICE_NAME
(DDKのMountmgr.hのインクルードが必要です。
*/
{
PARTITION_INFORMATION_EX tPartitionInformationEx;
DWORD dwResult = 0;
/*
IOCTL_DISK_GET_PARTITION_INFO_EX
*/
BOOL bResult = ::DeviceIoControl(
(HANDLE) hDevice // handle to device
, IOCTL_DISK_GET_PARTITION_INFO_EX // dwIoControlCode
, NULL // lpInBuffer
, 0 // nInBufferSize
, (LPVOID)&tPartitionInformationEx // output buffer
, (DWORD)sizeof( tPartitionInformationEx ) // size of output buffer
, (LPDWORD)&dwResult // number of bytes returned
, (LPOVERLAPPED)NULL // OVERLAPPED structure
);
if ( 0 == bResult ) {
// 取得失敗
std::wcout << L"IOCTL_DISK_GET_PARTITION_INFO_EX失敗(" << ::GetLastError() << L")" << std::endl;
::CloseHandle( hDevice );
return( -1 );
}
/*
結果を出力
*/
std::wcout << L"IOCTL_DISK_GET_PARTITION_INFO_EX" << std::endl;
std::wcout << L"¥t" << L"PartitionNumber : " << tPartitionInformationEx.PartitionNumber << std::endl;
std::wcout << L"¥t" << L"PartitionStyle : " << tPartitionInformationEx.PartitionStyle << std::endl;
std::wcout << L"¥t" << L"StartingOffset : " << tPartitionInformationEx.StartingOffset.QuadPart << std::endl;
std::wcout << L"¥t" << L"PartitionLength : " << tPartitionInformationEx.PartitionLength.QuadPart << std::endl;
std::wcout << L"¥t" << L"RewritePartition : " << tPartitionInformationEx.RewritePartition << std::endl;
switch( tPartitionInformationEx.PartitionStyle ) {
case PARTITION_STYLE_MBR:
{
std::wcout << L"¥t" << L"Mbr.BootIndicator : " << tPartitionInformationEx.Mbr.BootIndicator << std::endl;
std::wcout << L"¥t" << L"Mbr.HiddenSectors : " << tPartitionInformationEx.Mbr.HiddenSectors << std::endl;
std::wcout << L"¥t" << L"Mbr.PartitionType : " << tPartitionInformationEx.Mbr.PartitionType << std::endl;
std::wcout << L"¥t" << L"Mbr.RecognizedPartition : " << tPartitionInformationEx.Mbr.RecognizedPartition << std::endl;
}
break;
case PARTITION_STYLE_GPT:
{
std::wcout << L"¥t" << L"Mbr.Attributes : " << tPartitionInformationEx.Gpt.Attributes << std::endl;
std::wcout << L"¥t" << L"Mbr.Name : " << tPartitionInformationEx.Gpt.Name << std::endl;
}
break;
case PARTITION_STYLE_RAW:
{
}
break;
}
}
::CloseHandle( hDevice );
}
// 正常終了
return 0;
}
IOCTL_DISK_GET_PARTITION_INFO_EX
PartitionNumber : 4
PartitionStyle : 0
StartingOffset : 168532377600
PartitionLength : 331574411264
RewritePartition : 0
Mbr.BootIndicator : 0
Mbr.HiddenSectors : 329164800
Mbr.PartitionType : 7
Mbr.RecognizedPartition : 1
