[求解]利用IOCTL_DISK_SET_DRIVE_LAYOUT_EX给磁盘分区

DWORD func()

{

	HANDLE hDrive = INVALID_HANDLE_VALUE;

	BOOL Result; // used to read bad DeviceIoControl calls

	DWORD dwRetCode = 0;

	DWORD szReturned;   

	DWORD szNewLayout;

	unsigned int SectorSize = 512;   

	LARGE_INTEGER DiskSize;

	LARGE_INTEGER Part_1_size;

	LARGE_INTEGER Part_2_size;



	DRIVE_LAYOUT_INFORMATION_EX *dl = NULL;

	CREATE_DISK disk;



	DiskSize.QuadPart = 32768000;          //我的U盘的总容量，字节数

	Part_1_size.QuadPart = 32768000 / 2;

	Part_2_size.QuadPart = 32768000 / 2;



	int PartitionCount = 4;



	// Very important! Size correctly this structure. Even if there's only    

	// one primary partition, you MUST size the buffer to contain    

	// AT LEAST 4 PARTITION_INFORMATION_EX!   

	szNewLayout = sizeof(DRIVE_LAYOUT_INFORMATION_EX) + 

		(PartitionCount - 1) * sizeof(PARTITION_INFORMATION_EX);



	dl = (DRIVE_LAYOUT_INFORMATION_EX*) new BYTE[szNewLayout];



	// Open handle to physical device   

	// NtCreateFile() function can be used too with "\\device\\harddisk1\\partiton0" path.   

	hDrive = CreateFile(

		_T("\\\\.\\PhysicalDrive1"),

		GENERIC_READ|GENERIC_WRITE, 

		FILE_SHARE_READ|FILE_SHARE_WRITE,

		NULL, //default security attributes   

		OPEN_EXISTING, // disposition   

		0,// file attributes   

		NULL);



	if(!hDrive){   

		// handle the error   

		dwRetCode = GetLastError();

		goto SetDriveLayout_Cleanup;

	}

	

	ZeroMemory(&disk,sizeof(CREATE_DISK));   

	disk.PartitionStyle = PARTITION_STYLE_MBR;   

	disk.Mbr.Signature = 0xA4B57300;// the signature can be randomly generated   



	// Create primary partition MBR   

	Result = DeviceIoControl(hDrive,IOCTL_DISK_CREATE_DISK, 

		&disk,sizeof(CREATE_DISK), NULL,0, &szReturned,NULL);



	if(!Result){   

		dwRetCode = GetLastError();

		goto SetDriveLayout_Cleanup;

	}   

	Result = DeviceIoControl(hDrive,IOCTL_DISK_UPDATE_PROPERTIES, 

		NULL,0,NULL,0,&szReturned,NULL);



	// set RewritePartition=true in every partition to force rewrite.   

	for (int item = 0; item < PartitionCount; item++){

		dl->PartitionEntry[item].RewritePartition = 1;

		dl->PartitionEntry[item].PartitionNumber = 0;

	}

		

	//Setup drive layout   

	ZeroMemory(dl, szNewLayout);



	dl->PartitionEntry[0].PartitionStyle = PARTITION_STYLE_MBR;   

	dl->PartitionEntry[0].StartingOffset.QuadPart = 32256;   // 63扇区

	dl->PartitionEntry[0].PartitionLength = Part_1_size;   

	dl->PartitionEntry[0].PartitionNumber = 1;   

	dl->PartitionEntry[0].RewritePartition = TRUE;   

	dl->PartitionEntry[0].Mbr.PartitionType = 0x07;// PARTITION_IFS (NTFS partition or logical drive)   

	dl->PartitionEntry[0].Mbr.BootIndicator = TRUE;

	dl->PartitionEntry[0].Mbr.RecognizedPartition = 1;   

	dl->PartitionEntry[0].Mbr.HiddenSectors = 32256/SectorSize;   

	goto OPERATION_Continue;



	dl->PartitionEntry[1].PartitionStyle = PARTITION_STYLE_MBR;   

	dl->PartitionEntry[1].StartingOffset.QuadPart = Part_1_size.QuadPart + 32256i64;   

	dl->PartitionEntry[1].PartitionLength = Part_2_size;   

	dl->PartitionEntry[1].PartitionNumber = 0;   

	dl->PartitionEntry[1].RewritePartition = TRUE;   

	dl->PartitionEntry[1].Mbr.PartitionType = PARTITION_EXTENDED; //0x05

	dl->PartitionEntry[1].Mbr.BootIndicator = FALSE;

	dl->PartitionEntry[1].Mbr.RecognizedPartition = 1;   

	dl->PartitionEntry[1].Mbr.HiddenSectors = (32256i64 + Part_1_size.QuadPart)/SectorSize;

	  



OPERATION_Continue:

	// setup drive layout   

	dl->PartitionStyle = PARTITION_STYLE_MBR;   

	dl->PartitionCount = PartitionCount;// specify AT LEAST 4 partitions!!!   

	dl->Mbr.Signature = 0xA4B57300;   



	// Set layout   

	Result = DeviceIoControl(hDrive, 

		IOCTL_DISK_SET_DRIVE_LAYOUT_EX, 

		&dl, szNewLayout, 

		NULL, 0,

		&szReturned, NULL);



	if(!Result) {

		dwRetCode = GetLastError();

		goto SetDriveLayout_Cleanup;

	}



	// update disk properties   

	Result = DeviceIoControl(hDrive, 

		IOCTL_DISK_UPDATE_PROPERTIES, 

		NULL,0, NULL,0, &szReturned, NULL);   



SetDriveLayout_Cleanup:

	if (hDrive != INVALID_HANDLE_VALUE )

		CloseHandle(hDrive);

	if (dl != NULL)

		delete [] dl;



	return dwRetCode;

}