DTWAIN_GetTwainMode

The DTWAIN_GetTwainMode function gets the method in which DTWAIN will communicate with the TWAIN system during acquisitions.

LONG DTWAIN_GetTwainMode( );

Parameters

None.

Return Values

The return value of the current mode if successful. Otherwise DTWAIN_FAILURE1 is returned.

Comments

The DTWAIN_GetTwainMode function gets the method in which DTWAIN will communicate with TWAIN whenever an acquisition occurs, or when DTWAIN_ShowUIOnly is called. Acquisitions occur during TWAIN States 6 and 7. The return values will be DTWAIN_FAILURE1 if the function fails, or one of the following values:

Twain Mode	Value	Definition
DTWAIN_MODAL	1	Acquire using modal acquisition processing.
DTWAIN_MODELESS	2	Acquire using modeless acquisition processing.

Modeless and Modal acquisition processing is defined in detail in the topic Introduction to DTWAIN Acquisition Processing.

TWAIN State Transitions

None.

Prerequisite Function Call(s)

DTWAIN_SysInitialize