成员的完整列表，这些成员属于 _vrpn_IMAGERBEGINFRAMECB,包括所有继承而来的类成员

cMax (定义于 _vrpn_IMAGERBEGINFRAMECB)	_vrpn_IMAGERBEGINFRAMECB
cMin (定义于 _vrpn_IMAGERBEGINFRAMECB)	_vrpn_IMAGERBEGINFRAMECB
dMax (定义于 _vrpn_IMAGERBEGINFRAMECB)	_vrpn_IMAGERBEGINFRAMECB
dMin (定义于 _vrpn_IMAGERBEGINFRAMECB)	_vrpn_IMAGERBEGINFRAMECB
msg_time (定义于 _vrpn_IMAGERBEGINFRAMECB)	_vrpn_IMAGERBEGINFRAMECB
rMax (定义于 _vrpn_IMAGERBEGINFRAMECB)	_vrpn_IMAGERBEGINFRAMECB
rMin (定义于 _vrpn_IMAGERBEGINFRAMECB)	_vrpn_IMAGERBEGINFRAMECB