Sensoray 614 Windows - Manual (Page 25)

MID314_ASPECT_NONE allows stretched preview image, MID314_ASPECT_CONST
maintains original aspect ratio (see mid314types.h).
board
board number in the system (use 0 for single board setups).
Returns
0 on success, negative value if error (see mid314types.h for error codes list).
MID314_API int SN_GetAspectRatio(
MID314_ASPECT_MODE *mode,
int board
);
Retrieves the aspect ratio control setting.
Parameters
mode
pointer to retrieved setting.
board
board number in the system (use 0 for single board setups).
Returns
0 on success, negative value if error (see mid314types.h for error codes list).
MID314_API int SN_Repaint(
HDC hdc
);
Repaint callback, should be called when application receives a WM_PAINT event. This is necessary
to notify the video renderer of a repaint event.
Parameters
hdc
device context handle or NULL if unknown.
Returns
0 on success, negative value if error (see mid314types.h for error codes list).
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