4e207038_NB_XWIN___SELinux_Wiki__Parameters
[Function Name] SELinuxGetDeviceContext [Minor Opcode] 4 [Comments] Get context of the selected x_device object. [Parameters] 
DeviceID
N o n e
C o n t e x t + L e n
D e v i c e I D + C o n t e x t + L e n
D e v i c e I D
W i n d o w I D
W i n d o w I D + A t o m I D
NB XWIN - SELinux Wiki