diff --git a/cd_utils/CMakeLists.txt b/cd_utils/CMakeLists.txt
index f0a0155..5769d15 100644
--- a/cd_utils/CMakeLists.txt
+++ b/cd_utils/CMakeLists.txt
@@ -18,8 +18,8 @@ endif()
 include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR} ${PIP_INCLUDES})
 #file(GLOB HDRS_UTILS "*.h")
 #file(GLOB CPPS_UTILS "*.cpp")
-set(CPPS_UTILS "cdutils_core.cpp" "cdutils_types.cpp" "cdutils_parser.cpp" "cdutils_k.cpp")
-set(HDRS_UTILS "cdutils_core.h" "cdutils_types.h" "cdutils_parser.h" "cdutils_k.h" "cdutils_protocol.h")
+set(CPPS_UTILS "cdutils_core.cpp" "cdutils_types.cpp" "cdutils_parser.cpp" "cdutils_interface.cpp" "cdutils_k.cpp")
+set(HDRS_UTILS "cdutils_core.h" "cdutils_types.h" "cdutils_parser.h" "cdutils_interface.h" "cdutils_k.h" "cdutils_protocol.h")
 if (DEFINED ENV{QNX_HOST})
 	add_library(${PROJECT_NAME} STATIC ${CPPS_UTILS} ${HDRS_UTILS})
 else()
diff --git a/cd_utils/cdutils_core.cpp b/cd_utils/cdutils_core.cpp
index 2d0f299..5a2d2ad 100644
--- a/cd_utils/cdutils_core.cpp
+++ b/cd_utils/cdutils_core.cpp
@@ -30,6 +30,8 @@ const char CDCore::pult_config[] =
 
 int __Core_Initializer__::count_(0);
 CDCore * __Core_Initializer__::__instance__(0);
+const uchar header_direct   = 0x80;
+const uchar header_transfer = 0x81;
 
 
 __Core_Initializer__::__Core_Initializer__() {
@@ -62,7 +64,12 @@ CDCore::CDCore() {
 	/*PIString s(app_config);
 	connection.configureFromString(&s);
 	connection.start();*/
-	initRoot(k_);
+	k_.cd_type_ = CDType::cdK;
+	x_.cd_type_ = CDType::cdX;
+	c_.cd_type_ = CDType::cdC;
+	initRoot(&k_);
+	initRoot(&x_);
+	initRoot(&c_);
 
 	CONNECTU(&datatr, sendRequest, this, dtSendRequest)
 	CONNECTU(&datatr, receiveFinished, this, dtReceiveFinished)
@@ -90,15 +97,15 @@ CDCore::~CDCore() {
 }
 
 
-void CDCore::k_write(PIIODevice * d) {
-	k_.write(d, CDType::cdK, PIString());
+void CDCore::cd_write(CDSection * cd, PIIODevice * d) {
+	cd->write(d, PIString());
 }
 
 
-void CDCore::k_read(PIIODevice * d) {
+void CDCore::cd_read(CDSection * cd, PIIODevice * d) {
 	PIConfig conf(d, PIIODevice::ReadOnly);
-	k_.read(&(conf.rootEntry()), CDType::cdK);
-	initRoot(k_);
+	cd->read(&(conf.rootEntry()));
+	initRoot(cd);
 	K_ChangedGlobal();
 	/*PIVector<PIIODevice * > ds = connection.allDevices();
 	piForeach(PIIODevice * d, ds) {
@@ -108,36 +115,50 @@ void CDCore::k_read(PIIODevice * d) {
 }
 
 
-void CDCore::k_parse(PIIODevice * d) {
-	k_ = CDParser::parse(d, CDType::cdK);
-	initRoot(k_);
+void CDCore::cd_parse(CDSection * cd, PIIODevice * d) {
+	*cd = CDParser::parse(d, cd->cd_type_);
+	initRoot(cd);
 	K_ChangedGlobal();
 }
 
 
-void CDCore::k_update(PIIODevice * d, UpdateModeFlags mode) {
-	CDSection uk = k_;
-	k_parse(d);
+void CDCore::cd_update(CDSection * cd, PIIODevice * d, UpdateModeFlags mode) {
+	CDSection ucd = *cd;
+	cd_parse(cd, d);
 	/*bool kn = true;
-	if (!uk.isEmpty())
-		if (!uk.isSameStructure(k_)) {
+	if (!ucd.isEmpty())
+		if (!ucd.isSameStructure(k_)) {
 			piCout << "ask for save names";
 			K_KeepNamesRequest(&kn);
 		}*/
-	uk.update(k_, mode);
-	//piCout << k_.count() << uk.count();
-	k_ = uk;
-	initRoot(k_);
+	ucd.update(*cd, mode);
+	//piCout << k_.count() << ucd.count();
+	*cd = ucd;
+	initRoot(cd);
 	K_ChangedGlobal();
 }
 
 
-void CDCore::k_calculate() {
-	k_.calculate();
+void CDCore::cd_calculate(CDSection * cd) {
+	cd->calculate();
 	K_ChangedGlobal();
 }
 
 
+void CDCore::cd_send(CDSection * cd, CDPacketType pt, bool direct) {
+	PIByteArray ba, sba;
+	PIIOByteArray iob(&ba, PIIODevice::ReadWrite);
+	cd_write(cd, &iob);
+	//piCoutObj << PIString(ba);
+	sba = makeHeader(pt, 0);
+	sba << ba;
+	if (direct)
+		sendDirect(sba);
+	else
+		sendThreaded(sba);
+}
+
+
 void CDCore::initApp() {
 	init(appConfig());
 }
@@ -163,30 +184,25 @@ void CDCore::startPing() {
 }
 
 
-void CDUtils::CDCore::dataReceived(const PIString & from, const PIByteArray & data) {
-//	piCoutObj << "dataReceived" << from << data.size();
-	PIIODevice * d = connection.deviceByName("cd");
-	if (d && d == connection.deviceByFullPath(from)) {
-		if (data.size() >= sizeof(4)) {
-			const uint sig = *((const uint*)(data.data()));
-			if (sig == PIBaseTransfer::packetSignature()) datatr.received(data);
-			else {
-				CDPacketType pt = (CDPacketType)sig;
-				switch(pt) {
-				case CD_Ping: {
-					//piCoutObj << "ping";
-				} break;
-				case CD_KDirectChange: {
-					PIByteArray ba = data;
-					PacketKDirectChange p;
-					ba >> p;
-					k_[p.path].setValue(p.value);
-				} break;
-				default: break;
-				}
-			}
-		}
+CDSection * CDCore::root(CDType::cdT cdt) {
+	switch (cdt) {
+	case CDType::cdK: return &k_; break;
+	case CDType::cdX: return &x_; break;
+	case CDType::cdC: return &c_; break;
+	default: break;
 	}
+	return 0;
+}
+
+
+PIString CDCore::typeLetter(CDType::cdT cdt) {
+	switch (cdt) {
+	case CDType::cdK: return PIStringAscii("k"); break;
+	case CDType::cdX: return PIStringAscii("x"); break;
+	case CDType::cdC: return PIStringAscii("c"); break;
+	default: break;
+	}
+	return PIString();
 }
 
 
@@ -199,60 +215,34 @@ CDCore * CDCore::instance() {
 
 void CDCore::K_Send() {
 	piCoutObj << "K_Send";
-	PIByteArray ba;
-	PIIOByteArray iob(&ba, PIIODevice::ReadWrite);
-	k_write(&iob);
-	//piCoutObj << PIString(ba);
-	if (sendt.isRunning()) {
-		piCoutObj << "send in process...";
-		return;
-	}
-	wheader.session_id = 0;
-	wheader.type = CD_KSend;
-	send_data.clear();
-	send_data << wheader << ba;
-	sendt.startOnce();
-//	ios.close();
-//	piCout << s;
-	//PIByteArray ba = PIByteArray::fromString(s);
-//	PIFile pf("k.txt", PIIODevice::ReadWrite);
-//	pf.resize(0);
-//	pf.write(s.toUTF8());
-	//k_write(&pf);
-	//piCout << pf.readLine();
+	cd_send(&k_, CD_KSend);
 }
 
 
 void CDCore::K_Request() {
 	piCoutObj << "K_Request";
-	if (sendt.isRunning()) {
-		piCoutObj << "send in process...";
-		return;
-	}
-	wheader.session_id = 0;
-	wheader.type = CD_KQuery;
-	send_data.clear();
-	send_data << wheader;
-	sendt.startOnce();
+	PIByteArray sba = makeHeader(CD_KQuery, 0);
+	sendThreaded(sba);
 }
 
 
 void CDUtils::CDCore::K_DirectChange(PIDeque<int> path, PIString value) {
+	piCoutObj << "K_DirectChange";
 	PacketKDirectChange p;
-	p.header.session_id = 0;
-	p.header.type = CD_KDirectChange;
 	p.path = path;
 	p.value = value;
-	PIByteArray ba;
-	ba << p;
-	connection.writeByName("cd", ba);
+	PIByteArray sba = makeHeader(CD_KDirectChange, 0);
+	sba << p;
+	sendDirect(sba);
 }
 
 
 void CDCore::sendThread() {
+	if (send_data.size_s() < 4) return;
+	PacketHeader h;
+	memcpy(&h, send_data.data(), sizeof(h));
 	bool ok = datatr.send(send_data);
-	CDPacketType pt = (CDPacketType)wheader.type;
-	switch (pt) {
+	switch (h.type) {
 	case CD_KSend:
 		if (ok) K_Sended();
 		else K_SendFail();
@@ -275,42 +265,97 @@ void CDCore::xTimerTick() {
 }
 
 
-void CDCore::initRoot(CDSection & r) {
-	r.name = "__root__";
-	r.alias = "root";
-	r.makePath();
-	r.calculate();
+void CDCore::initRoot(CDSection * r) {
+	r->name = "__root__";
+	r->alias = "root";
+	r->makePath();
+	r->calculate();
 }
 
 
-void CDCore::dtSendRequest(PIByteArray &data) {
-	connection.writeByName("cd", data);
-//	piCoutObj << "send" << data.size() << ret;
+PIByteArray CDCore::makeHeader(CDPacketType type, int session_id) const {
+	PacketHeader h;
+	h.type = type;
+	h.session_id = session_id;
+	PIByteArray ret; ret << h;
+	return ret;
 }
 
 
-void CDCore::dtReceiveFinished(bool ok) {
-	if (ok) {
-		PIByteArray ba = datatr.data();
-		PacketHeader p;
+void CDCore::sendDirect(PIByteArray & ba) {
+	ba.push_front(header_direct);
+	connection.writeByName("cd", ba);
+}
+
+
+void CDCore::sendThreaded(PIByteArray & ba) {
+	if (sendt.isRunning()) {
+		piCoutObj << "Send in process, abort";
+		return;
+	}
+	send_data = ba;
+	sendt.startOnce();
+}
+
+
+void CDCore::procReceivedPacket(PIByteArray & ba) {
+	PacketHeader h;
+	ba >> h;
+	switch(h.type) {
+	case CD_Ping:
+		//piCoutObj << "ping";
+		break;
+	case CD_KQuery:
+		K_Send();
+		break;
+	case CD_KSend: {
+		piCoutObj << "K received";
+		PIByteArray k;
+		ba >> k;
+		k << uchar(0);
+		PIString s = PIString::fromUTF8((const char *)k.data());
+		PIIOString ios(&s);
+		cd_read(&k_, &ios);
+		K_Received();
+		} break;
+	case CD_KDirectChange: {
+		PacketKDirectChange p;
 		ba >> p;
-		CDPacketType pt = (CDPacketType)p.type;
-		switch (pt) {
-		case CD_KQuery:
-			K_Send();
-			break;
-		case CD_KSend: {
-			piCoutObj << "K received";
-			PIByteArray k;
-			ba >> k;
-			k << uchar(0);
-			PIString s = PIString::fromUTF8((const char *)k.data());
-			PIIOString ios(&s);
-			k_read(&ios);
-			K_Received();
-			} break;
-		default: break;
+		k_[p.path].setValue(p.value);
+		} break;
+	default: break;
+	}
+}
+
+
+void CDUtils::CDCore::dataReceived(const PIString & from, const PIByteArray & data) {
+	//piCoutObj << "dataReceived" << from << data.size();
+	PIIODevice * d = connection.deviceByName("cd");
+	if (d && d == connection.deviceByFullPath(from)) {
+		if (data.size() >= sizeof(4)) {
+			PIByteArray ba = data;
+			uchar header = ba.take_front();
+			if (header == header_transfer) {
+				datatr.received(ba);
+			}
+			if (header == header_direct) {
+				procReceivedPacket(ba);
+			}
 		}
 	}
 }
 
+
+void CDCore::dtSendRequest(PIByteArray & data) {
+	data.push_front(header_transfer);
+	connection.writeByName("cd", data);
+	//piCoutObj << "send" << data.size() << ret;
+}
+
+
+void CDCore::dtReceiveFinished(bool ok) {
+	if (!ok) return;
+	PIByteArray ba = datatr.data();
+	procReceivedPacket(ba);
+}
+
diff --git a/cd_utils/cdutils_core.h b/cd_utils/cdutils_core.h
index ec52629..b59426c 100644
--- a/cd_utils/cdutils_core.h
+++ b/cd_utils/cdutils_core.h
@@ -26,7 +26,7 @@ class CDCore: public PIObject
 	PIOBJECT(CDUtils::CDCore)
 	friend class __Core_Initializer__;
 	friend class CDSection;
-	friend class KInterface;
+	friend class Interface;
 public:
 	static CDCore * instance();
 
@@ -39,11 +39,12 @@ public:
 	EVENT_HANDLER(void, K_Request);
 	EVENT_HANDLER2(void, K_DirectChange, PIDeque<int>, path, PIString, value);
 
-	void k_write(PIIODevice * d);
-	void k_read(PIIODevice * d);
-	void k_parse(PIIODevice * d);
-	void k_update(PIIODevice * d, UpdateModeFlags mode);
-	void k_calculate();
+	void cd_write    (CDSection * cd, PIIODevice * d);
+	void cd_read     (CDSection * cd, PIIODevice * d);
+	void cd_parse    (CDSection * cd, PIIODevice * d);
+	void cd_update   (CDSection * cd, PIIODevice * d, UpdateModeFlags mode);
+	void cd_calculate(CDSection * cd);
+	void cd_send     (CDSection * cd, CDPacketType pt, bool direct = false);
 	void initApp();
 	void initPult();
 	void init(const PIString & configuration);
@@ -51,6 +52,8 @@ public:
 	bool inProgress() {return sendt.isRunning();}
 
 	CDSection & k() {return k_;}
+	CDSection * root(CDType::cdT cdt);
+	PIString typeLetter(CDType::cdT cdt);
 
 	static PIString pultConfig() {return PIString(pult_config);}
 	static PIString appConfig() {return PIString(app_config);}
@@ -63,16 +66,19 @@ private:
 	EVENT_HANDLER1(void, dtReceiveFinished, bool, ok);
 	EVENT_HANDLER(void, sendThread);
 	EVENT_HANDLER(void, xTimerTick);
-	void initRoot(CDSection & r);
+	void initRoot(CDSection * r);
+	PIByteArray makeHeader(CDPacketType type, int session_id = 0) const;
+	void sendDirect(PIByteArray & ba);
+	void sendThreaded(PIByteArray & ba);
+	void procReceivedPacket(PIByteArray & ba);
 
 	static const char app_config[], pult_config[];
 	PIConnection connection;
 	PIDataTransfer datatr;
-	PacketHeader wheader;
 	PIByteArray send_data;
 	PIThread sendt;
 	PITimer x_timer;
-	CDSection k_;
+	CDSection k_, x_, c_;
 
 };
 
diff --git a/cd_utils/cdutils_interface.cpp b/cd_utils/cdutils_interface.cpp
new file mode 100644
index 0000000..8cec8ad
--- /dev/null
+++ b/cd_utils/cdutils_interface.cpp
@@ -0,0 +1,170 @@
+#include "cdutils_interface.h"
+#include "cdutils_core.h"
+#include "piconfig.h"
+#include "pifile.h"
+
+using namespace CDUtils;
+
+
+Interface::Interface(CDType::cdT type_) {
+	core = CDCore::instance();
+	s = core->root(type_);
+	//piCoutObj << (void*)this << core;
+	file_ = core->typeLetter(type_) + PIStringAscii(".dat");
+	file_size = 0;
+}
+
+
+bool Interface::test(int v) {
+	return s->test(v);
+}
+
+
+CDType & Interface::operator [](const PIString & name_) {
+	return (*s)[name_];
+}
+
+
+const CDType Interface::operator [](const PIString & name_) const {
+	return (*s)[name_];
+}
+
+
+CDType & Interface::operator [](const PIDeque<int> & path_) {
+	return (*s)[path_];
+}
+
+
+const CDType Interface::operator [](const PIDeque<int> & path_) const {
+	return (*s)[path_];
+}
+
+
+CDType & Interface::operator [](int v) {
+	//piCout << (void*)this << "[]" << core;
+	return (*s)[v];
+}
+
+
+const CDType Interface::operator [](int v) const {
+	//piCout << (void*)this << "[]" << core;
+	return (*s)[v];
+}
+
+
+CDSection & Interface::section(int v) {
+//	CDSection & ret = s->section(v);
+//	piCout << "[get section]" << v << ret.name;
+	return s->section(v);
+}
+
+
+const CDSection Interface::section(int v) const {
+	return s->section(v);
+}
+
+
+CDSection & Interface::section(const PIDeque<int> &path) {
+	PIDeque<int> spath = path;
+	CDSection * rs = s;
+	while (!spath.isEmpty()) {
+		rs = &(rs->section(spath.take_front()));
+	}
+	return *rs;
+}
+
+
+CDSection & Interface::root() {
+	return *s;
+}
+
+
+const CDSection & Interface::root() const {
+	return *s;
+}
+
+
+int Interface::count(bool recursive) const {
+	return s->count(recursive);
+}
+
+
+void Interface::setFileName(const PIString & _file) {
+	file_ = _file;
+}
+
+
+bool Interface::configure(const PIString & config) {
+	PIConfig conf(config, PIIODevice::ReadOnly);
+	PIConfig::Entry & e(conf.getValue(core->typeLetter(s->cd_type_)));
+	bool ret = false;
+	setFileName(e.getValue("file", file(), &ret));
+	return ret;
+}
+
+
+void Interface::reinitConnection(const PIString &configuration) {
+	core->init(configuration);
+}
+
+
+void Interface::startPing() {
+	core->startPing();
+}
+
+
+void Interface::write(PIIODevice * d) {
+	core->cd_write(s, d);
+}
+
+
+void Interface::read(PIIODevice * d) {
+	core->cd_read(s, d);
+}
+
+
+void Interface::parse(PIIODevice * d) {
+	core->cd_parse(s, d);
+}
+
+
+void Interface::update(PIIODevice * d, UpdateModeFlags mode) {
+	core->cd_update(s, d, mode);
+}
+
+
+void Interface::calculate() {
+	core->cd_calculate(s);
+}
+
+
+PIString Interface::appConfig() {
+	return core->appConfig();
+}
+
+
+PIString Interface::pultConfig() {
+	return core->pultConfig();
+}
+
+
+void Interface::readFile() {
+	if (file_.isEmpty()) return;
+	PIFile f(file_, PIIODevice::ReadOnly);
+	read(&f);
+	file_size = f.size();
+}
+
+
+void Interface::writeFile() {
+	if (file_.isEmpty()) return;
+	PIFile f(file_, PIIODevice::ReadWrite);
+	f.clear();
+	write(&f);
+	file_size = f.size();
+}
+
+
+bool Interface::inProgress() {
+	return core->inProgress();
+}
diff --git a/cd_utils/cdutils_interface.h b/cd_utils/cdutils_interface.h
new file mode 100644
index 0000000..d837f0c
--- /dev/null
+++ b/cd_utils/cdutils_interface.h
@@ -0,0 +1,66 @@
+#ifndef CDUTILS_INTERFACE_H
+#define CDUTILS_INTERFACE_H
+
+#include "cdutils_types.h"
+#include "piobject.h"
+
+
+namespace CDUtils {
+
+class CDCore;
+
+
+class Interface: public PIObject
+{
+	PIOBJECT(CDUtils::Interface)
+public:
+	Interface(CDType::cdT type_);
+
+	bool test(int v);
+	CDType & operator [](int v);
+	const CDType operator [](int v) const;
+	CDType & operator [](const PIString & name_);
+	const CDType operator [](const PIString & name_) const;
+	CDType & operator [](const PIDeque<int> & path_);
+	const CDType operator [](const PIDeque<int> & path_) const;
+	CDSection & section(int v);
+	const CDSection section(int v) const;
+	CDSection & section(const PIDeque<int> & path);
+	CDSection & root();
+	const CDSection & root() const;
+
+	int count(bool recursive = true) const;
+	const PIString file() const {return file_;}
+	int fileSize() const {return file_size;}
+
+	void setFileName(const PIString & _file);
+	bool configure(const PIString & config);
+	void reinitConnection(const PIString & configuration);
+	void startPing();
+	void write(PIIODevice * d);
+	void read(PIIODevice * d);
+	void parse(PIIODevice * d);
+	void update(PIIODevice * d, UpdateModeFlags mode = SaveByName);
+	void calculate();
+
+	PIString appConfig();
+	PIString pultConfig();
+
+	void readFile();
+	void writeFile();
+	bool inProgress();
+
+protected:
+	CDCore * core;
+	CDSection * s;
+	CDType::cdT type;
+	PIString file_;
+	int file_size;
+
+};
+
+
+}
+
+
+#endif // CDUTILS_K_H
diff --git a/cd_utils/cdutils_k.cpp b/cd_utils/cdutils_k.cpp
index 45f6230..b833a0e 100644
--- a/cd_utils/cdutils_k.cpp
+++ b/cd_utils/cdutils_k.cpp
@@ -1,18 +1,12 @@
 #include "cdutils_k.h"
 #include "cdutils_core.h"
-#include "piconfig.h"
-#include "pifile.h"
 
 using namespace CDUtils;
 
 KInterface K;
 
 
-KInterface::KInterface() {
-	core = CDCore::instance();
-	//piCoutObj << (void*)this << core;
-	k_file = PIStringAscii("k.dat");
-	k_file_size = 0;
+KInterface::KInterface(): Interface(CDType::cdK) {
 	CONNECTU(core, K_Sended, this, sended);
 	CONNECTU(core, K_SendFail, this, sendFailed);
 	CONNECTU(core, K_Received, this, received);
@@ -20,159 +14,16 @@ KInterface::KInterface() {
 }
 
 
-bool KInterface::test(int v) {
-	return core->k_.test(v);
-}
-
-
-CDType & KInterface::operator [](const PIString & name_) {
-	return core->k_[name_];
-}
-
-
-const CDType KInterface::operator [](const PIString & name_) const {
-	return core->k_[name_];
-}
-
-
-CDType & KInterface::operator [](const PIDeque<int> & path_) {
-	return core->k_[path_];
-}
-
-
-const CDType KInterface::operator [](const PIDeque<int> & path_) const {
-	return core->k_[path_];
-}
-
-
-CDType & KInterface::operator [](int v) {
-	//piCout << (void*)this << "[]" << core;
-	return core->k_[v];
-}
-
-
-const CDType KInterface::operator [](int v) const {
-	//piCout << (void*)this << "[]" << core;
-	return core->k_[v];
-}
-
-
-CDSection & KInterface::section(int v) {
-//	CDSection & ret = core->k_.section(v);
-//	piCout << "[get section]" << v << ret.name;
-	return core->k_.section(v);
-}
-
-const CDSection KInterface::section(int v) const {
-	return core->k_.section(v);
-}
-
-
-CDSection & KInterface::section(const PIDeque<int> &path) {
-	PIDeque<int> spath = path;
-	CDSection * rs = &core->k_;
-	while (!spath.isEmpty()) {
-		rs = &rs->section(spath.take_front());
-	}
-	return *rs;
-}
-
-
-CDSection & KInterface::root() {
-	return core->k_;
-}
-
-
-const CDSection KInterface::root() const {
-	return core->k_;
-}
-
-
-int KInterface::count(bool recursive) const {
-	return core->k_.count(recursive);
-}
-
-
 void KInterface::send() {
 	core->K_Send();
 }
 
+
 void KInterface::request() {
 	core->K_Request();
 }
 
 
-bool KInterface::configure(const PIString & config, const PIString & sect) {
-	PIConfig conf(config, PIIODevice::ReadOnly);
-	PIConfig::Entry & e(conf.getValue(sect));
-	bool ret = false;
-	k_file = e.getValue("file", "k.dat", &ret);
-	return ret;
-}
-
-
-void KInterface::reinitConnection(const PIString &configuration) {
-	core->init(configuration);
-}
-
-
-void KInterface::startPing() {
-	core->startPing();
-}
-
-
-void KInterface::write(PIIODevice * d) {
-	core->k_write(d);
-}
-
-
-void KInterface::read(PIIODevice * d) {
-	core->k_read(d);
-}
-
-
-void KInterface::parse(PIIODevice * d) {
-	core->k_parse(d);
-}
-
-
-void KInterface::update(PIIODevice * d, UpdateModeFlags mode) {
-	core->k_update(d, mode);
-}
-
-
-void KInterface::calculate() {
-	core->k_calculate();
-}
-
-
-PIString KInterface::appConfig() {
-	return core->appConfig();
-}
-
-
-PIString KInterface::pultConfig() {
-	return core->pultConfig();
-}
-
-
-void KInterface::readFile() {
-	if (k_file.isEmpty()) return;
-	PIFile f(k_file, PIIODevice::ReadOnly);
-	read(&f);
-	k_file_size = f.size();
-}
-
-
-void KInterface::writeFile() {
-	if (k_file.isEmpty()) return;
-	PIFile f(k_file, PIIODevice::ReadWrite);
-	f.clear();
-	write(&f);
-	k_file_size = f.size();
-}
-
-
-bool KInterface::inProgress() {
-	return core->inProgress();
+void KInterface::directChange(const CDType & k, double v) {
+	core->K_DirectChange(k.path(), PIString::fromNumber(v));
 }
diff --git a/cd_utils/cdutils_k.h b/cd_utils/cdutils_k.h
index de3c2f1..137f932 100644
--- a/cd_utils/cdutils_k.h
+++ b/cd_utils/cdutils_k.h
@@ -1,38 +1,18 @@
 #ifndef CDUTILS_K_H
 #define CDUTILS_K_H
 
-#include "cdutils_types.h"
-#include "piobject.h"
+#include "cdutils_interface.h"
 
 
 namespace CDUtils {
 
-class CDCore;
 
-
-class KInterface: public PIObject
+class KInterface: public Interface
 {
 	PIOBJECT(CDUtils::KInterface)
 public:
 	KInterface();
 
-	bool test(int v);
-	CDType & operator [](int v);
-	const CDType operator [](int v) const;
-	CDType & operator [](const PIString & name_);
-	const CDType operator [](const PIString & name_) const;
-	CDType & operator [](const PIDeque<int> & path_);
-	const CDType operator [](const PIDeque<int> & path_) const;
-	CDSection & section(int v);
-	const CDSection section(int v) const;
-	CDSection & section(const PIDeque<int> & path);
-	CDSection & root();
-	const CDSection root() const;
-
-	int count(bool recursive = true) const;
-	const PIString file() const {return k_file;}
-	int fileSize() const {return k_file_size;}
-
 	EVENT(sended)
 	EVENT(sendFailed)
 	EVENT(received)
@@ -40,31 +20,11 @@ public:
 	EVENT1(keepNamesRequest, bool*, kn)
 	EVENT_HANDLER(void, send);
 	EVENT_HANDLER(void, request);
-	void setFileName(const PIString & file) {k_file = file;}
-	bool configure(const PIString & config, const PIString & sect = PIStringAscii("k"));
-	void reinitConnection(const PIString & configuration);
-	void startPing();
-	void write(PIIODevice * d);
-	void read(PIIODevice * d);
-	void parse(PIIODevice * d);
-	void update(PIIODevice * d, UpdateModeFlags mode = SaveByName);
-	void calculate();
 
-	PIString appConfig();
-	PIString pultConfig();
-
-	void readFile();
-	void writeFile();
-	bool inProgress();
-
-private:
-	CDCore * core;
-	PIString k_file;
-	int k_file_size;
+	void directChange(const CDType & k, double v);
 
 };
 
-
 }
 
 extern CDUtils::KInterface K;
diff --git a/cd_utils/cdutils_parser.cpp b/cd_utils/cdutils_parser.cpp
index 0712cdc..1825ff2 100644
--- a/cd_utils/cdutils_parser.cpp
+++ b/cd_utils/cdutils_parser.cpp
@@ -78,10 +78,10 @@ PIVector<int> enumValues(const PIString & e, const PIMap<PIString, CDSection> &
 
 CDSection CDParser::parse(PIIODevice * d, int cdsection_type) {
 	CDType::cdT et = (CDType::cdT)cdsection_type;
-	if (!d) return CDSection();
-	if (!d->canRead()) return CDSection();
+	if (!d) return CDSection(et);
+	if (!d->canRead()) return CDSection(et);
 	//piCout << "[CDSection] parse start";
-	CDSection cs;
+	CDSection cs(et);
 	CDType ck;
 	PIMap<PIString, CDSection> sections;
 	PIMap<PIString, int> enum_values;
@@ -112,7 +112,7 @@ CDSection CDParser::parse(PIIODevice * d, int cdsection_type) {
 			cind += 4;
 			continue;
 		}
-		cs = CDSection();
+		cs = CDSection(et);
 		cs.name = line;
 		//piCout << "enum" << cs.name;
 		int cev = 0;
@@ -129,11 +129,11 @@ CDSection CDParser::parse(PIIODevice * d, int cdsection_type) {
 //						piCout << "#" << enum_values;
 						if (!enum_values.contains(alias)) {
 							piCout << "Parse error: can`t find section alias \"" << alias << "\"!";
-							return CDSection();
+							return CDSection(et);
 						}
 						if (!sections.contains(iarr.front())) {
 							piCout << "Parse error: can`t find section \"" << iarr.front() << "\"!";
-							return CDSection();
+							return CDSection(et);
 						}
 						//piCout << "insert" << alias << iarr;
 						int aval = enum_values.value(alias);
@@ -150,7 +150,7 @@ CDSection CDParser::parse(PIIODevice * d, int cdsection_type) {
 							ts.name = is.name;
 							ts.name.insert(ibpos, PIString("[") << a << "]");
 							is = ts;
-							ts = CDSection();
+							ts = CDSection(et);
 						}
 						is.alias = alias;
 						cs.section(aval) = is;
@@ -187,7 +187,7 @@ CDSection CDParser::parse(PIIODevice * d, int cdsection_type) {
 		case CDType::cdK : return sections.value("KDescription");
 		case CDType::cdX : return sections.value("XDescription");
 		case CDType::cdC : return sections.value("CDescription");
-		default: return CDSection();
+		default: return CDSection(et);
 	}
-	return CDSection();
+	return CDSection(et);
 }
diff --git a/cd_utils/cdutils_protocol.h b/cd_utils/cdutils_protocol.h
index 48af806..cc27c5b 100644
--- a/cd_utils/cdutils_protocol.h
+++ b/cd_utils/cdutils_protocol.h
@@ -5,7 +5,19 @@
 
 namespace CDUtils {
 
-enum CDPacketType {CD_Ping, CD_Pong, CD_KQuery, CD_KSend, CD_KDirectChange, CD_XData, CD_XQuery, CD_Command};
+enum CDPacketType {CD_Ping,
+				   CD_Pong,
+
+				   CD_KQuery,
+				   CD_KSend,
+				   CD_KDirectChange,
+
+				   CD_XQuery,
+				   CD_XSend,
+				   CD_XValues,
+
+				   CD_Command,
+				  };
 
 # pragma pack(push,1)
 
@@ -15,7 +27,6 @@ enum CDPacketType {CD_Ping, CD_Pong, CD_KQuery, CD_KSend, CD_KDirectChange, CD_X
 	};
 
 	struct PacketKDirectChange {
-		PacketHeader header;
 		PIDeque<int> path;
 		PIString value;
 	};
@@ -26,8 +37,8 @@ enum CDPacketType {CD_Ping, CD_Pong, CD_KQuery, CD_KSend, CD_KDirectChange, CD_X
 inline PIByteArray & operator <<(PIByteArray & s, const PacketHeader & v) {s << v.type << v.session_id; return s;}
 inline PIByteArray & operator >>(PIByteArray & s, PacketHeader & v) {s >> v.type >> v.session_id; return s;}
 
-inline PIByteArray & operator <<(PIByteArray & s, const PacketKDirectChange & v) {s << v.header << v.path << v.value; return s;}
-inline PIByteArray & operator >>(PIByteArray & s, PacketKDirectChange & v) {s >> v.header >> v.path >> v.value; return s;}
+inline PIByteArray & operator <<(PIByteArray & s, const PacketKDirectChange & v) {s << v.path << v.value; return s;}
+inline PIByteArray & operator >>(PIByteArray & s, PacketKDirectChange & v) {s >> v.path >> v.value; return s;}
 
 }
 
diff --git a/cd_utils/cdutils_types.cpp b/cd_utils/cdutils_types.cpp
index c7a3e10..18f72a2 100644
--- a/cd_utils/cdutils_types.cpp
+++ b/cd_utils/cdutils_types.cpp
@@ -226,11 +226,32 @@ PIVariantTypes::Enum CDType::parseEnumComment(PIString c) {
 //}
 
 
+
+CDSection::CDSection(CDType::cdT type_) {
+	cd_type_ = type_;
+	null.cd_type_ = type_;
+}
+
+
+CDSection & CDSection::section(int v) {
+	CDSection & ret(s[v]);
+	ret.cd_type_ = cd_type_;
+	return ret;
+}
+
+
+const CDSection CDSection::section(int v) const {
+	CDSection & ret(s[v]);
+	ret.cd_type_ = cd_type_;
+	return s[v];
+}
+
+
 int CDSection::count(bool recursive) const {
 	int ret = cd.size_s();
 	if (recursive) {
 		PIMap<int, CDSection>::const_iterator i;
-		for (i = s.begin(); i != s.end(); ++i)
+		for (i = s.constBegin(); i != s.constEnd(); ++i)
 			ret += i->second.count(recursive);
 	}
 	return ret;
@@ -252,7 +273,8 @@ PIStringList CDSection::index_names() const {
 
 
 void CDSection::calculate() {
-	/*CDCore::instance()->k_.*/prepareCalculate();
+	prepareCalculate();
+	if (cd_type_ != CDType::cdK) return;
 	PIEvaluator e;
 	calculateRecursive(&e);
 }
@@ -265,7 +287,7 @@ CDType & CDSection::getByName(const PIString & name_) {
 	CDSection * cs = this, * ns = 0;
 	if (np.front().isEmpty()) {
 		if (np.size_s() < 2) return null;
-		cs = &(CDCore::instance()->k_);
+		cs = CDCore::instance()->root(cd_type_);
 		np.pop_front();
 	}
 	for (int i = 0; i < np.size_s() - 1; ++i) {
@@ -318,15 +340,15 @@ CDType & CDSection::getByPath(const PIDeque<int> & path_) {
 }
 
 
-void CDSection::write(PIIODevice * d, CDType::cdT cdt, const PIString & prefix) {
+void CDSection::write(PIIODevice * d, const PIString & prefix) {
 	if (!d) return;
 	if (cd.isEmpty() && s.isEmpty()) return;
 //	piCout << "[CDSection] write start";
 	PIString l;
 	PIStringList cdtl;
 	cdtl << "null" << "k" << "x" << "c";
-	if (prefix.isEmpty()) l = "[" + cdtl[cdt] + "]";
-	else l = "[" + prefix + "." + cdtl[cdt] + "]";
+	if (prefix.isEmpty()) l = "[" + cdtl[cd_type_] + "]";
+	else l = "[" + prefix + "." + cdtl[cd_type_] + "]";
 	l += "\n";
 	d->write(l.toUTF8());
 	l = "name = " + name + " \n";
@@ -336,8 +358,8 @@ void CDSection::write(PIIODevice * d, CDType::cdT cdt, const PIString & prefix)
 	PIMap<int, CDType>::iterator i;
 	for (i = cd.begin(); i != cd.end(); ++i) {
 		CDType & ck(i.value());
-		if (ck.cd_type() != cdt) continue;
-		switch (cdt) {
+		if (ck.cd_type() != cd_type_) continue;
+		switch (cd_type_) {
 		case CDType::cdNull: break;
 		case CDType::cdK:
 			l.clear(); l << ck.index() << ".f = " << ck.formula() << " #s " << ck.comment() << " \n";
@@ -373,7 +395,7 @@ void CDSection::write(PIIODevice * d, CDType::cdT cdt, const PIString & prefix)
 		else l = prefix + ".s";
 		PIMap<int, CDSection>::iterator j;
 		for (j = s.begin(); j != s.end(); ++j) {
-			j.value().write(d, cdt, l + "." + PIString::fromNumber(j.key()));
+			j.value().write(d, l + "." + PIString::fromNumber(j.key()));
 		}
 	}
 	if (prefix.isEmpty()) {
@@ -384,18 +406,18 @@ void CDSection::write(PIIODevice * d, CDType::cdT cdt, const PIString & prefix)
 }
 
 
-void CDSection::read(const void * ep, CDType::cdT cdt) {
+void CDSection::read(const void * ep) {
 //	piCout << "[CDSection] read start";
 	PIStringList cdtl;
 	cdtl << "null" << "k" << "x" << "c";
 	cd.clear();
 	s.clear();
 	PIConfig::Entry & e(*(PIConfig::Entry*)ep);
-	name = e.getValue(cdtl[cdt] + ".name").value();
-	alias = e.getValue(cdtl[cdt] + ".alias").value();
-	PIConfig::Entry & kl = e.getValue(cdtl[cdt]);
-	for (int i = 0; i < kl.childCount(); ++i) {
-		const PIConfig::Entry * e(kl.child(i));
+	name = e.getValue(cdtl[cd_type_] + ".name").value();
+	alias = e.getValue(cdtl[cd_type_] + ".alias").value();
+	PIConfig::Entry & cdl = e.getValue(cdtl[cd_type_]);
+	for (int i = 0; i < cdl.childCount(); ++i) {
+		const PIConfig::Entry * e(cdl.child(i));
 		bool ok = false;
 		int id = e->name().toInt(-1, &ok);
 //		piCout << "[read]" << ke->name() << ke->value() << ok;
@@ -404,21 +426,21 @@ void CDSection::read(const void * ep, CDType::cdT cdt) {
 		if (ok) {
 			CDType c;
 			PIString ev;
-			switch (cdt) {
+			switch (cd_type_) {
 			case CDType::cdNull: break;
 			case CDType::cdK:
-				c = CDType(id, e->getValue("v").comment(), e->getValue("v").type(), e->getValue("v").value(), e->getValue("f").value(), e->getValue("f").comment(), cdt);
+				c = CDType(id, e->getValue("v").comment(), e->getValue("v").type(), e->getValue("v").value(), e->getValue("f").value(), e->getValue("f").comment(), cd_type_);
 				ev = e->getValue("ev", "");
 				if (!ev.isEmpty())
 					c.enum_values = c.parseEnumComment(ev);
 				break;
 			case CDType::cdX:
-				c = CDType(id, e->getValue("name").value(), PIString(), PIString(), PIString() , e->getValue("name").comment(), cdt);
+				c = CDType(id, e->getValue("name").value(), PIString(), PIString(), PIString() , e->getValue("name").comment(), cd_type_);
 				c.setXMode((CDType::XMode)e->getValue("mode").value().toInt());
 				c.setAvg((CDType::XMode)e->getValue("avg").value().toInt());
 				break;
 			case CDType::cdC:
-				c = CDType(id, e->getValue("name").value(), PIString(), PIString(), PIString() , e->getValue("name").comment(), cdt);
+				c = CDType(id, e->getValue("name").value(), PIString(), PIString(), PIString() , e->getValue("name").comment(), cd_type_);
 				break;
 			}
 			cd[id] = c;
@@ -428,7 +450,9 @@ void CDSection::read(const void * ep, CDType::cdT cdt) {
 	for (int i = 0; i < sl.childCount(); ++i) {
 		const PIConfig::Entry * se(sl.child(i));
 		int sid = se->name().toInt();
-		s[sid].read(se, cdt);
+		CDSection & rs(s[sid]);
+		rs.cd_type_ = cd_type_;
+		rs.read(se);
 	}
 //	piCout << "[CDSection] read end";
 }
@@ -442,16 +466,16 @@ void CDSection::update(CDSection & v, UpdateModeFlags mode) {
 	//piCout << "[CDSection] update start";
 	//piCout << "before" << k.size() << v.k.size();
 
-	PIMap<int, PIString> prev_k_f_bi;
-	PIMap<PIString, PIString> prev_k_f_bn;
+	PIMap<int, PIString> prev_cd_f_bi;
+	PIMap<PIString, PIString> prev_cd_f_bn;
 	PIMap<int, CDType>::iterator i;
 	if (mode[SaveByIndex]) {
 		for (i = cd.begin(); i != cd.end(); ++i)
-			prev_k_f_bi[i.key()] = i.value().formula();
+			prev_cd_f_bi[i.key()] = i.value().formula();
 	}
 	if (mode[SaveByName]) {
 		for (i = cd.begin(); i != cd.end(); ++i)
-			prev_k_f_bn[i.value().name_] = i.value().formula();
+			prev_cd_f_bn[i.value().name_] = i.value().formula();
 	}
 	if (!mode[Merge])
 		cd.clear();
@@ -460,12 +484,12 @@ void CDSection::update(CDSection & v, UpdateModeFlags mode) {
 		PIString n = i.value().name();
 		cd[id] = i.value();
 		if (mode[SaveByIndex]) {
-			if (prev_k_f_bi.contains(id))
-				cd[id].setFormula(prev_k_f_bi[id]);
+			if (prev_cd_f_bi.contains(id))
+				cd[id].setFormula(prev_cd_f_bi[id]);
 		}
 		if (mode[SaveByName]) {
-			if (prev_k_f_bn.contains(n))
-				cd[id].setFormula(prev_k_f_bn[n]);
+			if (prev_cd_f_bn.contains(n))
+				cd[id].setFormula(prev_cd_f_bn[n]);
 		}
 	}
 
@@ -535,14 +559,14 @@ void CDSection::update(CDSection & v, UpdateModeFlags mode) {
 
 
 bool CDSection::isSameStructure(CDSection & v) {
-	PIMap<PIString, int> k_ids;
+	PIMap<PIString, int> cd_ids;
 	PIMap<int, CDType>::iterator i;
 	for (i = cd.begin(); i != cd.end(); ++i)
-		k_ids[i.value().name()] = i.key();
+		cd_ids[i.value().name()] = i.key();
 	for (i = v.cd.begin(); i != v.cd.end(); ++i) {
-		if (!k_ids.contains(i.value().name())) continue;
+		if (!cd_ids.contains(i.value().name())) continue;
 		//piCout << i.key() << k[i.key()].name() << i.value().name();
-		if (cd[k_ids[i.value().name()]].index() != i.key())
+		if (cd[cd_ids[i.value().name()]].index() != i.key())
 			return false;
 	}
 	PIMap<int, CDSection>::iterator j;
@@ -602,7 +626,7 @@ PIVector<CDType * > CDSection::children(bool recursive) const {
 		ret << const_cast<CDType * >(&(i.value()));
 	if (!recursive) return ret;
 	PIMap<int, CDSection>::const_iterator j;
-	for (j = s.begin(); j != s.end(); ++j)
+	for (j = s.constBegin(); j != s.constEnd(); ++j)
 		ret << j.value().children(true);
 	return ret;
 }
@@ -611,7 +635,7 @@ PIVector<CDType * > CDSection::children(bool recursive) const {
 PIVariantTypes::Enum CDSection::enumValues() const {
 	PIVariantTypes::Enum ret;
 	PIMap<int, CDType>::const_iterator i;
-	for (i = cd.begin(); i != cd.end(); ++i)
+	for (i = cd.constBegin(); i != cd.constEnd(); ++i)
 		ret << PIVariantTypes::Enumerator(i.key(), i.value().name());
 	return ret;
 }
diff --git a/cd_utils/cdutils_types.h b/cd_utils/cdutils_types.h
index aeb720d..8c7194d 100644
--- a/cd_utils/cdutils_types.h
+++ b/cd_utils/cdutils_types.h
@@ -25,6 +25,8 @@ typedef PIFlags<UpdateMode> UpdateModeFlags;
 
 class CDType {
 	friend class CDSection;
+	friend class CDCore;
+	friend class Interface;
 public:
 	enum cdT {cdNull, cdK, cdX, cdC};
 	enum XMode {X_Current, X_All_Avg};
@@ -70,7 +72,7 @@ protected:
 	int value_i;
 	bool value_b, calculated;
 	PIVector<double> history;
-	PIVector <double> avg_h;
+	PIVector<double> avg_h;
 	int avg_size;
 	XMode mode_;
 };
@@ -78,12 +80,13 @@ protected:
 
 class CDSection {
 	friend class CDCore;
+	friend class Interface;
 	friend class ::CD_Pult;
 	friend class ::CDKItem;
 	friend class ::CDKItemModel;
 public:
 
-	CDSection() {}
+	CDSection(CDType::cdT type_ = CDType::cdNull);
 
 	bool test(int v) {return cd.value(v).toBool();}
 //	CDType & operator [](int v) {if (!k.contains(v)) k[v].index_ = v; return k[v];}
@@ -93,8 +96,8 @@ public:
 	const CDType operator [](const PIString & name_) const {return const_cast<CDSection*>(this)->getByName(name_);}
 	CDType & operator [](const PIDeque<int> & path_) {return getByPath(path_);}
 	const CDType operator [](const PIDeque<int> & path_) const {return const_cast<CDSection*>(this)->getByPath(path_);}
-	CDSection & section(int v) {return s[v];}
-	const CDSection section(int v) const {return s[v];}
+	CDSection & section(int v);
+	const CDSection section(int v) const;
 
 	bool isEmpty() const {return cd.isEmpty() && s.isEmpty();}
 	int count(bool recursive = true) const;
@@ -116,16 +119,17 @@ protected:
 	}
 	CDType & getByName(const PIString & name_);
 	CDType & getByPath(const PIDeque<int> & path_);
-	void write(PIIODevice * d, CDType::cdT cdt, const PIString & prefix = PIString());
-	void read(const void * ep, CDType::cdT cdt);
+	void write(PIIODevice * d, const PIString & prefix = PIString());
+	void read(const void * ep);
 	void update(CDSection & v, UpdateModeFlags mode = SaveByName);
 	bool isSameStructure(CDSection & v);
 	void prepareCalculate();
 	void calculateRecursive(PIEvaluator * e);
 
 	PIMap<int, CDType> cd;
-	PIMap<int, CDSection> s;
+	mutable PIMap<int, CDSection> s;
 	CDType null;
+	CDType::cdT cd_type_;
 };
 
 }
diff --git a/cd_utils/cdutilstest.cpp b/cd_utils/cdutilstest.cpp
index 7db1e8b..9ef166b 100644
--- a/cd_utils/cdutilstest.cpp
+++ b/cd_utils/cdutilstest.cpp
@@ -10,6 +10,7 @@ class Core : public PIObject
 	PIOBJECT(Core)
 	public:
 		Core() {
+		CDCore::instance()->initApp();
 //		piCout << "testCore";
 		CONNECTU(&t, tickEvent, this, timerDone);
 		t.start(1000);
diff --git a/qcd_utils/pult/CMakeLists.txt b/qcd_utils/pult/CMakeLists.txt
index fe7822a..69df148 100644
--- a/qcd_utils/pult/CMakeLists.txt
+++ b/qcd_utils/pult/CMakeLists.txt
@@ -1,6 +1,6 @@
 project(cd_pult)
-file(GLOB SRC "*.h" "*.cpp" "*.ui" "*.qrc" "lang/*.ts")
 find_qt(${QtVersions} Core Gui OpenGL)
+qt_sources(SRC)
 qt_wrap(${SRC} HDRS out_HDR CPPS out_CPP QMS out_QM)
 qt_add_executable(${PROJECT_NAME} WIN32 out_CPP)
 qt_target_link_libraries(${PROJECT_NAME} qad_utils qad_widgets qad_graphic qcd_utils qad_application)
diff --git a/qcd_utils/pult/cdpultwindow.cpp b/qcd_utils/pult/cdpultwindow.cpp
index 8fe7312..e374131 100644
--- a/qcd_utils/pult/cdpultwindow.cpp
+++ b/qcd_utils/pult/cdpultwindow.cpp
@@ -13,9 +13,9 @@
 CDPultWindow::CDPultWindow(QWidget *parent) : EMainWindow(parent), ui(new Ui::CDPultWindow) {
 	CDUtils::CDCore::instance()->initPult();
 	qRegisterMetaType<LogIcon>("LogIcon");
-	log_icons[OKIcon] = QIcon("://icons/dialog-ok-apply.png");
-	log_icons[FailIcon] = QIcon("://icons/dialog-cancel.png");
-	log_icons[WaitIcon] = QIcon("://icons/timer.png");
+	log_icons[OKIcon] = QIcon(":/icons/dialog-ok-apply.png");
+	log_icons[FailIcon] = QIcon(":/icons/dialog-cancel.png");
+	log_icons[WaitIcon] = QIcon(":/icons/timer.png");
 	ui->setupUi(this);
 	centralWidget()->hide();
 	setRecentMenu(ui->menuOpen_recent);
diff --git a/qcd_utils/qcd_kmodel.cpp b/qcd_utils/qcd_kmodel.cpp
index 36e8c75..7239cd1 100644
--- a/qcd_utils/qcd_kmodel.cpp
+++ b/qcd_utils/qcd_kmodel.cpp
@@ -280,7 +280,7 @@ QString CDKItem::stringType(const PIString & t) const {
 	case 'F': return QString("file"); break;
 	case 'D': return QString("dir"); break;
 	}
-	return QString("double");
+	return QString("string");
 }