DTWAIN_FrameGetValueString
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DTWAIN_FrameGetValueString DTWAIN_FrameGetValueStringA DTWAIN_FrameGetValueStringW |
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The DTWAIN_FrameGetValueString function gets either the low, high, step, default, or current values in the DTWAIN_FRAME.
DTWAIN_BOOL DTWAIN_FrameGetValueString (
Parameters Frame A valid DTWAIN_FRAME type.
WhichValue Value to retrieve.
lpValue Buffer where retrieved string will be copied.
Return Values If the function succeeds, TRUE is returned. If the function fails FALSE is returned.
Character specific version
Comments The DTWAIN_FrameGetValueString function works exactly the same way as DTWAIN_FrameGetValue, with the exception of the lpValue points to a string buffer that will be filled on return with the value.
The LPTSTR argument must point to a buffer large enough to hold the necessary string information, or must be NULL if the value is to be ignored. The string information will not exceed 255 characters.
TWAIN State Transitions None.
Prerequisite Function Call(s)
See Also |