public static extern Boolean DeviceIoControl(
FileSafeHandle hDevice,
IoControlCode dwIoControlCode,
ref DRIVE_LAYOUT_INFORMATION_EX lpInBuffer,
int nInBufferSize,
IntPtr lpOutBuffer,
Int32 nOutBufferSize,
ref Int32 lpBytesReturned,
IntPtr lpOverlapped
);
public static void DiskSetDriveLayoutEx(SafeHandle handle, DRIVE_LAYOUT_INFORMATION_EX layout)
{
var bufSize = Marshal.SizeOf(layout);
var buf = Marshal.AllocHGlobal(bufSize);
uint bytesReturned = 0;
Marshal.StructureToPtr(layout, buf, false);
var b = DeviceIoControl(handle.DangerousGetHandle(), IOCTL_DISK_SET_DRIVE_LAYOUT_EX, buf, (uint)bufSize, IntPtr.Zero, 0, ref bytesReturned, IntPtr.Zero);
Marshal.FreeHGlobal(buf);
if (!b)
{
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
}
/// <summary><see cref="http://msdn.microsoft.com/en-us/library/windows/desktop/aa365174(v=vs.85).aspx"/></summary>
public DRIVE_LAYOUT_INFORMATION_EX DiskGetDriveLayoutEx()
{
DRIVE_LAYOUT_INFORMATION_EX_INTERNAL data = DeviceIoControlHelper.InvokeIoControl <DRIVE_LAYOUT_INFORMATION_EX_INTERNAL>(Handle, IOControlCode.DiskGetDriveLayoutEx);
DRIVE_LAYOUT_INFORMATION_EX res = new DRIVE_LAYOUT_INFORMATION_EX();
res.PartitionStyle = data.PartitionStyle;
res.PartitionCount = data.PartitionCount;
res.DriveLayoutInformaiton = data.DriveLayoutInformaiton;
res.PartitionEntry = new PARTITION_INFORMATION_EX[res.PartitionCount];
for (int i = 0; i < res.PartitionCount; i++)
{
res.PartitionEntry[i] = data.PartitionEntry[i];
}
return(res);
}
public static extern Boolean DeviceIoControl(SafeFileHandle hDevice, Int32 dwIoControlCode, ref DRIVE_LAYOUT_INFORMATION_EX lpInBuffer, int nInBufferSize, IntPtr lpOutBuffer, Int32 nOutBufferSize, ref Int32 lpBytesReturned, IntPtr lpOverlapped);
public override string ToString()
{
StringBuilder details = new StringBuilder();
if (dge.HasValue)
{
DISK_GEOMETRY_EX dge1 = dge.Value;
details.Append('\t').AppendLine("DISK_GEOMETRY:");
details.Append("\t\t").Append("Cylinders: ").AppendLine(dge1.Geometry.Cylinders.ToString());
//public MEDIA_TYPE MediaType;
details.Append("\t\t").Append("TracksPerCylinder: ")
.AppendLine(dge1.Geometry.TracksPerCylinder.ToString());
details.Append("\t\t").Append("SectorsPerTrack: ")
.AppendLine(dge1.Geometry.SectorsPerTrack.ToString());
details.Append("\t\t").Append("BytesPerSector: ")
.AppendLine(dge1.Geometry.BytesPerSector.ToString());
details.Append("\t\t").Append("DiskSize: ").AppendLine(dge1.Geometry.DiskSize.ToString());
details.Append('\t').AppendLine("DISK_PARTITION_INFO:");
//details.Append("\t\t").Append("SizeOfPartitionInfo: ").AppendLine(dge.PartitionInformation.SizeOfPartitionInfo.ToString());
details.Append("\t\t").Append("PartitionStyle: ")
.AppendLine(dge1.PartitionInformation.PartitionStyle.ToString());
switch (dge1.PartitionInformation.PartitionStyle)
{
case PartitionStyle.PARTITION_STYLE_MBR:
details.Append("\t\t").Append("MbrSignature: ")
.AppendLine(dge1.PartitionInformation.MbrSignature.ToString());
break;
case PartitionStyle.PARTITION_STYLE_GPT:
details.Append("\t\t").Append("GptGuidId: ")
.AppendLine(dge1.PartitionInformation.GptGuidId.ToString());
break;
case PartitionStyle.PARTITION_STYLE_RAW:
break;
default:
throw new ArgumentOutOfRangeException();
}
details.Append('\t').AppendLine("DISK_EX_INT13_INFO:");
details.Append("\t\t").Append("ExBufferSize: ")
.AppendLine(dge1.DiskInt13Info.ExBufferSize.ToString());
details.Append("\t\t").Append("ExFlags: ").AppendLine(dge1.DiskInt13Info.ExFlags.ToString());
details.Append("\t\t").Append("ExCylinders: ")
.AppendLine(dge1.DiskInt13Info.ExCylinders.ToString());
//public uint ExHeads;
//public uint ExSectorsPerTrack;
//public ulong ExSectorsPerDrive;
//public ushort ExSectorSize;
//public ushort ExReserved;
}
if (pie.HasValue)
{
PARTITION_INFORMATION_EX pie1 = pie.Value;
details.Append('\t').AppendLine("PARTITION_INFORMATION_EX:");
details.Append("\t\t").Append("PartitionStyle: ").AppendLine(pie1.PartitionStyle.ToString());
details.Append("\t\t").Append("StartingOffset: ").AppendLine(pie1.StartingOffset.ToString());
details.Append("\t\t").Append("PartitionLength: ").AppendLine(pie1.PartitionLength.ToString());
details.Append("\t\t").Append("PartitionNumber: ").AppendLine(pie1.PartitionNumber.ToString());
details.Append("\t\t").Append("RewritePartition: ").AppendLine(pie1.RewritePartition.ToString());
switch (pie1.PartitionStyle)
{
case PartitionStyle.PARTITION_STYLE_MBR:
details.Append("\t\t").AppendLine("PARTITION_INFORMATION_MBR: ");
details.Append("\t\t\t").Append("PartitionType: ")
.AppendLine(pie1.DriveLayoutInformaiton.Mbr.PartitionType.ToString());
details.Append("\t\t\t").Append("BootIndicator: ")
.AppendLine(pie1.DriveLayoutInformaiton.Mbr.BootIndicator.ToString());
details.Append("\t\t\t").Append("RecognizedPartition: ")
.AppendLine(pie1.DriveLayoutInformaiton.Mbr.RecognizedPartition.ToString());
details.Append("\t\t\t").Append("HiddenSectors: ")
.AppendLine(pie1.DriveLayoutInformaiton.Mbr.HiddenSectors.ToString());
break;
case PartitionStyle.PARTITION_STYLE_GPT:
details.Append("\t\t").AppendLine("PARTITION_INFORMATION_GPT: ");
details.Append("\t\t\t").Append("PartitionType: ")
.AppendLine(pie1.DriveLayoutInformaiton.Gpt.PartitionType.ToString());
details.Append("\t\t\t").Append("PartitionId: ")
.AppendLine(pie1.DriveLayoutInformaiton.Gpt.PartitionId.ToString());
details.Append("\t\t\t").Append("EFIPartitionAttributes: ")
.AppendLine(pie1.DriveLayoutInformaiton.Gpt.Attributes.ToString());
details.Append("\t\t\t").Append("Name: ")
.AppendLine(pie1.DriveLayoutInformaiton.Gpt.Name.ToString());
break;
case PartitionStyle.PARTITION_STYLE_RAW:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
if (dlie.HasValue)
{
DRIVE_LAYOUT_INFORMATION_EX dlie1 = dlie.Value;
details.Append('\t').AppendLine("DRIVE_LAYOUT_INFORMATION_EX:");
details.Append("\t\t").Append("PartitionStyle: ").AppendLine(dlie1.PartitionStyle.ToString());
details.Append("\t\t").Append("PartitionCount: ").AppendLine((dlie1.PartitionCount - 1).ToString()); // Last one is nulls
switch (dlie1.PartitionStyle)
{
case PartitionStyle.PARTITION_STYLE_MBR:
details.Append("\t\t").AppendLine("DRIVE_LAYOUT_INFORMATION_MBR: ");
details.Append("\t\t\t").Append("Signature: ")
.AppendLine(dlie1.DriveLayoutInformaiton.Mbr.Signature.ToString());
break;
case PartitionStyle.PARTITION_STYLE_GPT:
details.Append("\t\t").AppendLine("DRIVE_LAYOUT_INFORMATION_GPT: ");
details.Append("\t\t\t").Append("DiskId: ")
.AppendLine(dlie1.DriveLayoutInformaiton.Gpt.DiskId.ToString());
details.Append("\t\t\t").Append("StartingUsableOffset: ")
.AppendLine(dlie1.DriveLayoutInformaiton.Gpt.StartingUsableOffset.ToString());
details.Append("\t\t\t").Append("UsableLength: ")
.AppendLine(dlie1.DriveLayoutInformaiton.Gpt.UsableLength.ToString());
details.Append("\t\t\t").Append("MaxPartitionCount: ")
.AppendLine(dlie1.DriveLayoutInformaiton.Gpt.MaxPartitionCount.ToString());
break;
case PartitionStyle.PARTITION_STYLE_RAW:
break;
default:
throw new ArgumentOutOfRangeException();
}
for (int entry = 0; entry < dlie1.PartitionCount - 1; entry++) // Last one is nulls
{
PARTITION_INFORMATION_EX pie = dlie1.PartitionEntry[entry];
details.Append("\t\t").AppendLine("PARTITION_INFORMATION_EX:");
details.Append("\t\t\t").Append("PartitionStyle: ")
.AppendLine(pie.PartitionStyle.ToString());
details.Append("\t\t\t").Append("StartingOffset: ")
.AppendLine(pie.StartingOffset.ToString());
details.Append("\t\t\t").Append("PartitionLength: ")
.AppendLine(pie.PartitionLength.ToString());
details.Append("\t\t\t").Append("PartitionNumber: ")
.AppendLine(pie.PartitionNumber.ToString());
details.Append("\t\t\t").Append("RewritePartition: ")
.AppendLine(pie.RewritePartition.ToString());
switch (pie.PartitionStyle)
{
case PartitionStyle.PARTITION_STYLE_MBR:
details.Append("\t\t\t").AppendLine("PARTITION_INFORMATION_MBR: ");
details.Append("\t\t\t\t").Append("PartitionType: ")
.AppendLine(pie.DriveLayoutInformaiton.Mbr.PartitionType.ToString());
details.Append("\t\t\t\t").Append("BootIndicator: ")
.AppendLine(pie.DriveLayoutInformaiton.Mbr.BootIndicator.ToString());
details.Append("\t\t\t\t").Append("RecognizedPartition: ")
.AppendLine(pie.DriveLayoutInformaiton.Mbr.RecognizedPartition.ToString());
details.Append("\t\t\t\t").Append("HiddenSectors: ")
.AppendLine(pie.DriveLayoutInformaiton.Mbr.HiddenSectors.ToString());
break;
case PartitionStyle.PARTITION_STYLE_GPT:
details.Append("\t\t\t").AppendLine("PARTITION_INFORMATION_GPT: ");
details.Append("\t\t\t\t").Append("PartitionType: ")
.AppendLine(pie.DriveLayoutInformaiton.Gpt.PartitionType.ToString());
details.Append("\t\t\t\t").Append("PartitionId: ")
.AppendLine(pie.DriveLayoutInformaiton.Gpt.PartitionId.ToString());
details.Append("\t\t\t\t").Append("EFIPartitionAttributes: ")
.AppendLine(pie.DriveLayoutInformaiton.Gpt.Attributes.ToString());
details.Append("\t\t\t\t").Append("Name: ")
.AppendLine(pie.DriveLayoutInformaiton.Gpt.Name.ToString());
break;
case PartitionStyle.PARTITION_STYLE_RAW:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
}
if (da.HasValue)
{
GET_DISK_ATTRIBUTES da1 = da.Value;
details.Append('\t').AppendLine("DISK_ATTRIBUTES:");
details.Append("\t\t").Append("Version: ").AppendLine(da1.Version.ToString());
//public int Reserved1;
details.Append("\t\t").Append("Attributes: ").AppendLine(da1.Attributes.ToString());
if ((da1.Attributes & 1) == 1)
{
details.Append("\t\t").Append("Attributes: ").AppendLine(@"DISK_ATTRIBUTE_OFFLINE");
}
if ((da1.Attributes & 2) == 2)
{
details.Append("\t\t").Append("Attributes: ").AppendLine(@"DISK_ATTRIBUTE_READ_ONLY");
}
}
if (vip.HasValue)
{
GETVERSIONINPARAMS vip1 = vip.Value;
details.Append('\t').AppendLine("GETVERSIONINPARAMS:");
details.Append("\t\t").Append("Version: ").AppendLine(vip1.bVersion.ToString());
details.Append("\t\t").Append("Revision: ").AppendLine(vip1.bRevision.ToString());
details.Append("\t\t").Append("Reserved: ").AppendLine(vip1.bReserved.ToString());
details.Append("\t\t").Append("IDEDeviceMap: ").AppendLine(vip1.bIDEDeviceMap.ToString());
details.Append("\t\t").Append("Capabilities: ").AppendLine(vip1.fCapabilities.ToString());
//details.Append("\t\t").Append("dwReserved: ").AppendLine(vip1.dwReserved.ToString());
}
if (sddp.HasValue)
{
STORAGE_DEVICE_DESCRIPTOR_PARSED_EX sddp1 = sddp.Value;
details.Append('\t').AppendLine("STORAGE_DEVICE_DESCRIPTOR_PARSED:");
//details.Append("\t\t").Append("Size: ").AppendLine(sddp1.Size.ToString());
details.Append("\t\t").Append("SCSI DeviceType: ").AppendLine(sddp1.DeviceType.ToString());
details.Append("\t\t").Append("SCSI DeviceTypeModifier: ")
.AppendLine(sddp1.DeviceTypeModifier.ToString());
details.Append("\t\t").Append("RemovableMedia: ").AppendLine(sddp1.RemovableMedia.ToString());
details.Append("\t\t").Append("CommandQueueing: ").AppendLine(sddp1.CommandQueueing.ToString());
//details.Append("\t\t").Append("VendorIdOffset: ").AppendLine(sddp1.VendorIdOffset.ToString());
//details.Append("\t\t").Append("ProductIdOffset: ").AppendLine(sddp1.ProductIdOffset.ToString());
//details.Append("\t\t").Append("ProductRevisionOffset: ").AppendLine(sddp1.ProductRevisionOffset.ToString());
//details.Append("\t\t").Append("SerialNumberOffset: ").AppendLine(sddp1.SerialNumberOffset.ToString());
details.Append("\t\t").Append("BusType: ").AppendLine(sddp1.BusType.ToString());
details.Append("\t\t").Append("RawPropertiesLength: ").AppendLine(sddp1.RawPropertiesLength.ToString());
details.Append("\t\t").Append("RawDeviceProperties: ").AppendLine(sddp1.RawDeviceProperties.ToString());
//public byte[] RawDeviceProperties;
details.Append("\t\t").Append("VendorId: ").AppendLine(sddp1.VendorId);
details.Append("\t\t").Append("ProductId: ").AppendLine(sddp1.ProductId);
details.Append("\t\t").Append("ProductRevision: ").AppendLine(sddp1.ProductRevision);
details.Append("\t\t").Append("SerialNumber: ").AppendLine(sddp1.SerialNumber);
}
return(details.ToString());
}
public void ListPartition()
{
for (uint i = 0; i < MAX_NUMBER_OF_DRIVES; i++)
{
// try to open the current physical drive
string volume = string.Format("\\\\.\\PhysicalDrive{0}", i);
SafeFileHandle hndl = CreateFile(volume,
Native.GENERIC_READ | Native.GENERIC_WRITE,
Native.FILE_SHARE_READ | Native.FILE_SHARE_WRITE,
IntPtr.Zero,
Native.OPEN_EXISTING,
Native.FILE_ATTRIBUTE_READONLY,
IntPtr.Zero);
IntPtr driveLayoutPtr = IntPtr.Zero;
int DRIVE_LAYOUT_BUFFER_SIZE = 1024;
int error;
uint dummy = 0;
do
{
error = 0;
driveLayoutPtr = Marshal.AllocHGlobal(DRIVE_LAYOUT_BUFFER_SIZE);
if (DeviceIoControl(hndl, Native.IOCTL_DISK_GET_DRIVE_LAYOUT_EX, IntPtr.Zero, 0, driveLayoutPtr, (uint)DRIVE_LAYOUT_BUFFER_SIZE, ref dummy, IntPtr.Zero))
{
// I/O-control has been invoked successfully, convert to DRIVE_LAYOUT_INFORMATION_EX
DRIVE_LAYOUT_INFORMATION_EX driveLayout = (DRIVE_LAYOUT_INFORMATION_EX)Marshal.PtrToStructure(driveLayoutPtr, typeof(DRIVE_LAYOUT_INFORMATION_EX));
//Enumerate partitions by using pointer arithmetic
for (uint p = 0; p < driveLayout.PartitionCount; p++)
{
IntPtr ptr = new IntPtr(driveLayoutPtr.ToInt64() + Marshal.OffsetOf(typeof(DRIVE_LAYOUT_INFORMATION_EX), "PartitionEntry").ToInt64() + (p * Marshal.SizeOf(typeof(PARTITION_INFORMATION_EX))));
PARTITION_INFORMATION_EX partInfo = (PARTITION_INFORMATION_EX)Marshal.PtrToStructure(ptr, typeof(PARTITION_INFORMATION_EX));
//Check partition is recognized or not
if (partInfo.PartitionStyle != PARTITION_STYLE.PARTITION_STYLE_GPT)
{
if ((partInfo.PartitionStyle != PARTITION_STYLE.PARTITION_STYLE_MBR) || (partInfo.Mbr.RecognizedPartition))
{
if (partInfo.Mbr.BootIndicator == true)
{
Console.WriteLine("Drive No: " + i + " Partition Number :" + partInfo.PartitionNumber + " is boot partition");
}
}
}
else if (partInfo.PartitionStyle == PARTITION_STYLE.PARTITION_STYLE_GPT)
{
//e3c9e316-0b5c-4db8-817d-f92df00215ae guid is defined from MS here:
//https://msdn.microsoft.com/en-us/library/windows/desktop/aa365449(v=vs.85).aspx
if (partInfo.Gpt.PartitionType == new Guid("e3c9e316-0b5c-4db8-817d-f92df00215ae"))
{
Console.WriteLine("Drive No: " + i + " Partition Number :" + partInfo.PartitionNumber + " is boot partition");
}
}
}
}
else
{
error = Marshal.GetLastWin32Error();
DRIVE_LAYOUT_BUFFER_SIZE *= 2;
}
Marshal.FreeHGlobal(driveLayoutPtr);
driveLayoutPtr = IntPtr.Zero;
} while (error == Native.ERROR_INSUFFICIENT_BUFFER);
}
}
