METHOD AND APPARATUS FOR CAPTURING SCREENSHOTS OF GUEST OPERATING SYSTEM IN COMPUTER DEVICE
FIG6 is a block diagram of a guest operating system screen-shooting device in the computer apparatus according to an embodiment of the present disclosure  FIG7 is a hardware structural diagram of the computer apparatus according to an embodiment of the present disclosure 
As shown in FIG6, according to an embodiment of the present disclosure, there is also provided a screen-shooting device for guest operating system in a computer apparatus, the computer apparatus having a host operating system, and a guest operating system being displayed through a display window on the host operating system and assigned to the guest operating system, the device comprising:  A computer apparatus 800 according to an embodiment of the present disclosure is described below with reference to FIG7. The computer apparatus 800 shown in FIG7 is merely an example and should not impose any limitation on the function and use range of embodiments of the present invention. As shown in FIG7, the computer apparatus 800 is embodied in the form of a general purpose computing apparatus. Components of the computer apparatus 800 may include, but are not limited to, at least one processing unit 810, at least one storage unit 820, and a bus 830 that connects different system components (including the storage unit 820 and the processing unit 810).
block diagram, structural diagram
620
lookup unit
830
bus
8202
cache storage unit
860
network adapter
810
processing unit
8205
program modules
820
storage unit
8204
program/utility
630
transmitting unit
15
address translator
610
receiving unit
800
computer apparatus
700
external apparatuses
['9. A screen-shooting device for a guest operating system in a computer apparatus, wherein, the computer apparatus comprises a host operating system, and a guest  operating system is displayed through a display window on the host operating system and assigned to the guest operating system, the device comprising: a receiving unit configured for receiving a screen-shooting request from the guest operating system; a looking-up unit configured for looking up a layer corresponding to the display window on the host operating system and assigned to the guest operating system; and a transmitting unit configured for transmitting the layer to the guest operating system as a displayed guest operating system screenshot.']