C# Definition:

[StructLayout(LayoutKind.Sequential)]
public struct DISK_GEOMETRY
{
     public long Cylinders;
     public MEDIA_TYPE MediaType;
     public int TracksPerCylinder;
     public int SectorsPerTrack;
     public int BytesPerSector;

     public long DiskSize
     {
     get
     {
         return Cylinders * (long)TracksPerCylinder * (long)SectorsPerTrack * (long)BytesPerSector;
     }
     }
}

User-Defined Field Types:

None.

Notes:

None.