Description This method retrives the value of the capability. You should use this method if the capability type is TWON_RANGE.
Usage ret = [form.]TWAIN. GetCapabilityRange lCap lMsg
Returns ret LONGLONG Handle to the range.
Remarks lCap Long Capability ID. For example ICAP_BRIGHTNESS.
lMsg Long MSG_GET, MSG_GETCURRENT or MSG_GETDEFAULT
Programing Notes See ErrorCode property for error. If operation succeded the error code will be TW_OK.
See Also SetCapabilityNumRange Method, ReleaseData Method