public override void ReadDiskInformation()
{
// IOCTL_DISK_GET_DRIVE_GEOMETRY
DiskGeometry = DeviceIoControl <Kernel32.DISK_GEOMETRY>(Kernel32.IOCTL_DISK_GET_DRIVE_GEOMETRY);
BytesPerSector = DiskGeometry.BytesPerSector;
// IOCTL_DISK_GET_DRIVE_LAYOUT
var delta = Marshal.SizeOf(typeof(Kernel32.PARTITION_INFORMATION));
var bytes = DeviceIoControl(Kernel32.IOCTL_DISK_GET_DRIVE_LAYOUT, Marshal.SizeOf(typeof(Kernel32.DRIVE_LAYOUT_INFORMATION)), delta * 4);
DriveLayoutInformation = MarshalEx.BytesToStruct <Kernel32.DRIVE_LAYOUT_INFORMATION>(bytes);
PartitionInformation = new Kernel32.PARTITION_INFORMATION[DriveLayoutInformation.PartitionCount];
var offset = Marshal.SizeOf(typeof(Kernel32.DRIVE_LAYOUT_INFORMATION));
for (var i = 0; i < DriveLayoutInformation.PartitionCount; i++)
{
PartitionInformation[i] = MarshalEx.BytesToStruct <Kernel32.PARTITION_INFORMATION>(bytes, offset, delta);
offset += delta;
}
}
// DeviceIoControl
public TypeOut DeviceIoControl <TypeOut>(UInt32 ioControlCode) where TypeOut : struct
{
var outBuffer = MarshalEx.AllocateBytesForStruct <TypeOut>();
DeviceIoControl(ioControlCode, null, outBuffer);
return(MarshalEx.BytesToStruct <TypeOut>(outBuffer));
}
public TypeOut DeviceIoControl <TypeIn, TypeOut>(UInt32 ioControlCode, TypeIn inStruct) where TypeIn : struct where TypeOut : struct
{
var inBuffer = MarshalEx.StructToBytes <TypeIn>(inStruct);
var outBuffer = MarshalEx.AllocateBytesForStruct <TypeOut>();
DeviceIoControl(ioControlCode, inBuffer, outBuffer);
return(MarshalEx.BytesToStruct <TypeOut>(outBuffer));
}
public override void ReadDiskInformation()
{
// PARTITION_INFORMATION
PartitionInformation = DeviceIoControl <Kernel32.PARTITION_INFORMATION>(Kernel32.IOCTL_DISK_GET_PARTITION_INFO);
Byte[] sector = Read(0, 512);
VolumeBootRecord = MarshalEx.BytesToStruct <VolumeBootRecord>(sector);
BytesPerSector = VolumeBootRecord.BiosParameterBlock.BytesPerSector;
}