References ▼
#include "lttwn.h"
L_LTTWN_API L_INT L_TwainSetDeviceEventCapability (hSession, pDeviceCap)
Sets the device event capability (CAP_DEVICEEVENT) values for the current TWAIN session.
Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession or L_TwainInitSession2 function.
Pointer to the TW_CAPABILITY structure that references the capability value to set. This structure must be allocated and filled with data corresponding to the required capability before passing it to the function.
| Value | Meaning |
|---|---|
| SUCCESS | The function was successful. |
| < 1 | An error occurred. Refer to Return Codes. |
This function should be called after calling L_TwainStartCapsNeg function and before calling L_TwainEndCapsNeg function.
To get the CAP_DEVICEEVENT capability values, call L_TwainGetDeviceEventCapability function.
To reset the CAP_DEVICEEVENT capability values to the default values, call L_TwainResetDeviceEventCapability function.
Required DLLs and Libraries
For an example, refer to L_TwainGetDeviceEventCapability.