public static MBR getMBR(byte[] bytes)
{
GCHandle handle = GCHandle.Alloc(bytes, GCHandleType.Pinned);
MBR mbr = (MBR)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(MBR));
handle.Free();
return(mbr);
}
/// <summary>
/// Create MBR sector (512 bytes) with partitions specified in a parameter list
/// </summary>
/// <param name="partitions">List of partition descriptors</param>
/// <returns>512 bytes array with MBR disk sector content</returns>
public static byte[] createMBRSector(List <PartitionInfo> partitions)
{
byte[] result = new byte[512];
if (partitions != null && partitions.Count > 0)
{
MBR mbr = new MBR(getDiskSignature());
int idx = 0;
foreach (PartitionInfo partition in partitions)
{
// There can be only 4 primary partitions in MBR
if (idx >= 4)
{
break;
}
MBRPartitionEntry mbrPartition = new MBRPartitionEntry();
mbrPartition.partitionType = Convert.ToByte(partition.type);
mbrPartition.lbaFirstSector = partition.offsetStart;
mbrPartition.partitionLengthSectors = partition.length;
// Since CLR does not allow arrays not aligned to x4 - workaround to address particular instances
switch (idx)
{
case 0:
mbr.partition1 = mbrPartition;
break;
case 1:
mbr.partition2 = mbrPartition;
break;
case 2:
mbr.partition3 = mbrPartition;
break;
case 3:
mbr.partition4 = mbrPartition;
break;
}
idx++;
}
result = getBytes(mbr);
}
return(result);
}
