Sensoray 2251 Rev.A - Manual (Page 25)

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 mid2250types.h for error codes list).
MID2250_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 mid2250types.h for error codes list).
MID2250_API int SN_DisplayChange(
);
Informs the video renderer that a WM_DISPLAYCHANGE message has been received by the
application. This callback should be called when the application has a WM_DISPLAYCHANGE event.
Parameters
none
Returns
0 on success, negative value if error (see mid2250types.h for error codes list).
MID2250_API int SN_UpdateClippingWindow(
HWND hwnd
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