DTWAIN_RangeGetValueLong

The DTWAIN_RangeGetValueLong function gets either the low, high, step, default, or current values in the DTWAIN_RANGE.

DTWAIN_BOOL DTWAIN_RangeGetValueLong (

DTWAIN_RANGE	Range,
LONG	WhichValue,
LPLONG	lpValue );

Parameters

Range

A valid DTWAIN_RANGE type.

WhichValue

Value to retrieve.

lpValue

Address of where retrieved value will be copied.

Return Values

TRUE if successful, FALSE otherwise. If the function returns FALSE, call DTWAIN_GetLastError() to get extended information.

Comments

The DTWAIN_RangeGetValueFloat is a specialized version of DTWAIN_RangeGetValue, where the value returned is a LONG. This function should only be used on DTWAIN_RANGE created with the DTWAIN_RANGELONG option (see DTWAIN_RangeCreate).

TWAIN State Transitions

None.

Prerequisite Function Call(s)

DTWAIN_SysInitialize