struct PROFILE_PARAMETER_BLOCK

typedef struct _PROFILE_PARAMETER_BLOCK
{
     WORD Status;
     WORD Reserved;
     WORD DockingState;
     WORD Capabilities;
     ULONG DockID;
     ULONG SerialNumber;
} PROFILE_PARAMETER_BLOCK, *PPROFILE_PARAMETER_BLOCK;

Windows Vista Kernel Structures