Description This method retrives the specified operation is supported or not by the scanner.
Usage ret = [form.]TWAIN. IsOperationSupported lCap lMsg
Returns ret Short Value of the capability. The method returns -1 on error, 0 if operation is not supported >0 if operation is supported.
Remarks lCap Long Capability ID. For example CAP_FEEDERENABLED.
lMsg Long MSG_GET, MSG_GETCURRENT, MSG_GETDEFAULT, MSG_RESET, MSG_SET
Programing Notes See ErrorCode property for error. If operation succeded the error code will be TW_OK.
See Also SetCapabilityOneNumValue Method, SetCapabilityOneStrValue Method