L_TwainGetImageUnit

#include "lttwn.h"

L_LTTWN_API L_INT L_TwainGetImageUnit (hSession, pnUnit)

Gets the current image unit value used when transferring images from the current TWAIN source.

Parameters

HTWAINSESSION hSession

Handle to an existing TWAIN session. This handle is obtained by calling the L_TwainInitSession or L_TwainInitSession2 function.

L_INT * pnUnit

Pointer to a variable to be updated with the current image unit value. For more information on possible values, refer to the TWAIN specification.

Returns

Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.

Comments

This function gets the value of the image unit capability ICAP_UNITS. For more information on this capability, refer to the TWAIN specification.

To set the image unit capability value, call the L_TwainSetImageUnit function

This function should be called after calling the L_TwainStartCapsNeg function and before calling the L_TwainEndCapsNeg function.

Required DLLs and Libraries

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