Sensoray 614 Windows - Manual (Page 27)

);
Sets the value of the message that is sent to the application’s window in case of device removal
(e.g. USB cable unplugged).
Parameters
hwnd
handle of the window that will receive the message.
removeMsg
message value to be sent.
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_TestDeviceRemoval(
int board
);
Tests whether device was removed or not. When SN_SetRemoveMessage is called, a message
window handle and remove message is set. When remove message is received by the application,
this function is called to confirm the device was removed and if it was, the DLL should be shut
down.
Parameters
board
board number in the system (use 0 for single board setups).
Returns
0 in case the device was not removed, 1 in case it was.
MID314_API int SN_SetVideoPosition(
int xpos,
int ypos,
int xsize,
int ysize,
int left_clip,
int top_clip,
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