DTWAIN_RangeGetValueFloatString

DTWAIN_RangeGetValueFloatStringA

DTWAIN_RangeGetValueFloatStringW

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

DTWAIN_BOOL DTWAIN_RangeGetValueFloatString (

DTWAIN_RANGE	Range,
LONG	WhichValue,
LPTSTR	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.

Character specific versions

ANSI version:	DTWAIN_RangeGetValueFloatStringA
Unicode version:	DTWAIN_RangeGetValueFloatStringW

Comments

The DTWAIN_RangeGetValueFloatString wdoes the same thing as DTWAIN_RangeGetValueFloat, with the difference being that the floatinng point value is converted to a string. The string is copied to lpValue.

This function can be used by computer languages that do not handle 64-bit IEEE parameters correctly. The string buffer lpValue (if it is not NULL) must be sized to at least 255 characters.

TWAIN State Transitions

None.

Prerequisite Function Call(s)

DTWAIN_SysInitialize