Sensoray 811 Windows SDK - Manual (Page 20)

int bottom_clip,
int devid
);
Sets the video position in the clipping window.
Parameters
xpos, ypos
x and y coordinates of the top left corner.
xsize, ysize
horizontal and vertical sizes of video display.
left_clip, top_clip, right_clip, bottom_clip
number of pixels to clip of the left, top, right and bottom sides of source video.
devid
device id in the system (use 0 for first channel with a single board installed).
Returns
0 on success, negative value if error (see mid811types.h for error codes list).
MID811_API int S811_EnableSnapshots(
BOOL bOnOff,
int devid,
);
Enables snapshot capture filter. This will increase CPU usage, but it is required to use the
S811_GetFrame and S811_SnapshotToFile functions. Must be called before starting the
stream(S811_StartRecord or S811_StartPreview).
Parameters
bOnOff
control value to turn snapshots on/off.
devid
device id in the system (use 0 for first channel with a single board installed).
Returns
0 on success, negative value if error (see mid811types.h for error codes list).
MID811_API int S811_SetColorSpace(
20