Программирование для Palm в 2017 году

	if (ScanIsPalmSymbolUnit())
	{
		Err error = ScanOpenDecoder();	/* open the scan manager library	 */
		if (!error)
		{
			bOpenDecoderOK = true;		/* set global variable that all is well */
			ScanCmdScanEnable();		/* Enable scanning */
			ScanSetTriggeringModes( HOST ); //allow softwaretriggered scans (from our Scan button)
			ScanSetBarcodeEnabled( barEAN13, true );
			//ScanSetBarcodeEnabled( barEAN8, true );
			//ScanSetBarcodeEnabled( barBOOKLAND_EAN, true);
			//ScanSetBeepAfterGoodDecode(false);
			ScanCmdSendParams(No_Beep);			
		}
	}

    /* Read the saved preferences / saved-state information. */
    prefsSize = sizeof(appPreferenceType);
    if (PrefGetAppPreferences(
        appFileCreator, appPrefID, &g_prefs, &prefsSize, true) != 
        noPreferenceFound)
    {
        /* FIXME: setup g_prefs with default values */
    }

    /* Setup main form event handler callback thunk (needed for "expanded" mode) */
    _CW_GenerateEventThunk(CWindow::eventHandler, &MainFormHandleEventThunk);

Boolean CWindow::eventHandler(EventType* eventP)
{
......................
    switch (eventP->eType) 
	{
	case scanDecodeEvent:
		return window->decode(eventP);

bool CWindow::decode(EventType* event)
{
	bool		ret = false;
	MESSAGE 	decodeDataMsg;
	Int16		status;
	MemHandle	hExtendedData;
	UInt8		*pExtendedData;
	Int16		extendedDataType;
	UInt16		extendedDataFlag = ((ScanEventPtr)event)->scanData.scanGen.data1;
	Int16		extendedDataLength = (Int16)(((ScanEventPtr)event)->scanData.scanGen.data2);
	UInt16		extend=extendedDataFlag&EXTENDED_DATA_FLAG;

	if (extend)	{
		hExtendedData = MemHandleNew( extendedDataLength );
		pExtendedData = (UInt8 *)MemHandleLock( hExtendedData );
		status = ScanGetExtendedDecodedData(extendedDataLength, &extendedDataType, pExtendedData);
	}
	else	{
		status = ScanGetDecodedData( &decodeDataMsg );
		extendedDataType = decodeDataMsg.type;
		extendedDataLength = decodeDataMsg.length;
		hExtendedData = MemHandleNew(extendedDataLength+1);
		pExtendedData = (UInt8 *)MemHandleLock( hExtendedData );
		pExtendedData[extendedDataLength] = '\0';
		MemMove( &pExtendedData[0], &decodeDataMsg.data[0], extendedDataLength+1 );		
	}
	
	if( status == STATUS_OK)
		if(extendedDataType != 0) // if we successfully got the decode data from the API...
			ret = onScanDecode(event, (char*)pExtendedData);
		else
			ret = onScanFail(event);

	MemHandleUnlock( hExtendedData );
	MemHandleFree( hExtendedData );

	return ret;
}