L_LTTWN_API L_INT L_TwainGetDuplexOptions(hSession, pbEnableDuplex, pnDuplexMode)
Gets the current duplex mode and the enabled status of the current duplex mode for the current TWAIN source.
Pointer to a variable to be updated with a value that specifies whether the duplex mode is enabled or disabled. Possible values are:
|TRUE||Duplex mode is enabled.|
|FALSE||Duplex mode is disabled.|
Pointer to a variable to be updated with the duplex mode value.
|SUCCESS||The function was successful.|
|< 1||An error occurred. Refer to Return Codes.|
This function gets the current duplex mode capability CAP_DUPLEX, and the duplex mode's enabled status capability CAP_DUPLEXENABLED values. For more information on these capabilities, refer to the TWAIN specification.
To set these capabilities, call the L_TwainEnableDuplex function.
Required DLLs and Libraries
For an example, refer to L_TwainEnableDuplex.