diff --git a/libs/main/types/pivariant.cpp b/libs/main/types/pivariant.cpp
index 8aaa81ee..59802111 100644
--- a/libs/main/types/pivariant.cpp
+++ b/libs/main/types/pivariant.cpp
@@ -112,7 +112,18 @@ void PIVariant::setValueFromString(const PIString & v) {
 	case PIVariant::pivDir: {PIVariantTypes::Dir r = toDir();  r.dir = v; setValue(r);} break;
 	case PIVariant::pivColor: {setValue(PIVariantTypes::Color(v.mid(1).toUInt(16)));} break;
 	case PIVariant::pivIODevice: {setValue(PIVariantTypes::IODevice());} break; // TODO
-	case PIVariant::pivCustom: {} break; // TODO;
+	case PIVariant::pivCustom: {
+#ifdef CUSTOM_PIVARIANT
+		__PIVariantInfo__ * vi = __PIVariantInfoStorage__::get()->map->value(__PIVariantFunctions__<PIString>::typeIDHelper());
+		if (vi) {
+			__PIVariantInfo__::castHelperFunc cf = vi->cast.value(_typeID);
+			if (cf) {
+				PIByteArray sba; sba << v;
+				_content = cf(sba);
+			}
+		}
+#endif
+	} break;
 	default: break;
 	}
 }
@@ -216,8 +227,10 @@ PIVariant::Type PIVariant::typeFromID(uint type_id) {
 	if (type_id == typeID<PIMathMatrixd>()) return PIVariant::pivMathMatrix;
 	if (type_id == typeID<PILined>()) return PIVariant::pivLine;
 	if (type_id == typeID<PIVariantTypes::IODevice>()) return PIVariant::pivIODevice;
+#ifdef CUSTOM_PIVARIANT
 	if (__PIVariantInfoStorage__::get()->map->contains(type_id))
 		return PIVariant::pivCustom;
+#endif
 	return PIVariant::pivInvalid;
 }
 
diff --git a/libs/main/types/pivariant.h b/libs/main/types/pivariant.h
index 3a0af353..294aef12 100644
--- a/libs/main/types/pivariant.h
+++ b/libs/main/types/pivariant.h
@@ -136,12 +136,12 @@ public:
 		return ret; \
 	} \
 	STATIC_INITIALIZER_BEGIN \
-		__PIVariantInfo__ * vi(__PIVariantInfoStorage__::get()->map->value(name.hash(), nullptr)); \
+		__PIVariantInfo__ * vi(__PIVariantInfoStorage__::get()->map->value(__PIVariantFunctions__< classname_from >::typeIDHelper(), nullptr)); \
 		if (!vi) { \
 			piCout << "Warning! Using REGISTER_VARIANT_CAST("#classname_from", "#classname_to") before REGISTER_VARIANT("#classname_from"), ignore."; \
 			return; \
 		} \
-		vi->cast[cname.hash()] = __PIVariantFunctions__<classname_from>::castHelper<classname_to>; \
+		vi->cast[__PIVariantFunctions__< classname_to >::typeIDHelper()] = __PIVariantFunctions__<classname_from>::castHelper<classname_to>; \
 	STATIC_INITIALIZER_END \
 	template<> template<> \
 	classname_to __PIVariantFunctions__<classname_from>::castVariant<classname_to>(const classname_from & v)
@@ -737,7 +737,11 @@ public:
 
 	template <typename T>
 	static uint typeID() {
+#ifdef CUSTOM_PIVARIANT
 		return __PIVariantFunctions__<T>::typeIDHelper();
+#else
+		return 0;
+#endif
 	}
 
 private:
@@ -762,13 +766,13 @@ private:
 	template<typename T> inline static T getAsValue(const PIVariant & v) {
 #ifdef CUSTOM_PIVARIANT
 		if (v._content.isEmpty() || !v._info) return T();
-		PIString cn = __PIVariantFunctions__<T>::typeNameHelper();
+		uint cnid = __PIVariantFunctions__<T>::typeIDHelper();
 		//piCout << "gav" << cn;
 		PIByteArray ba;
-		if (cn == v._info->typeName) {
+		if (cnid == v._info->typeID) {
 			ba = v._content;
 		} else {
-			__PIVariantInfo__::castHelperFunc cf = v._info->cast.value(cn.hash());
+			__PIVariantInfo__::castHelperFunc cf = v._info->cast.value(cnid);
 			//piCout << "gav cast" << cf;
 			if (!cf) return T();
 			ba = cf(v._content);
diff --git a/main.cpp b/main.cpp
index e70a223e..dc5e48b6 100644
--- a/main.cpp
+++ b/main.cpp
@@ -13,217 +13,174 @@ typedef PIVector<PIVariant> PIVariantVector;
 REGISTER_VARIANT(PIVariantMap);
 REGISTER_VARIANT(PIVariantVector);
 
-#ifdef WINDOWS
-#  include <namedpipeapi.h>
-#  include <handleapi.h>
-#  include <fileapi.h>
-#  include <processthreadsapi.h>
-typedef HANDLE pipe_type;
-#else
-#  include <unistd.h>
-typedef int pipe_type;
-#endif
 
-struct Pipe {
-	pipe_type fd_read = 0;
-	pipe_type fd_write = 0;
-	void create() {
-#ifdef WINDOWS
-		CreatePipe(&fd_read, &fd_write, NULL, 0);
-#else
-		pipe((int*)this);
-#endif
-	}
-	void destoy() {
-#ifdef WINDOWS
-		CloseHandle(fd_read);
-		CloseHandle(fd_write);
-#else
-		close(fd_read);
-		close(fd_write);
-#endif
-	}
-	int read(void * d, int s) {
-#ifdef WINDOWS
-		DWORD ret(0);
-		ReadFile(fd_read, d, s, &ret, NULL);
-		return ret;
-#else
-		return ::read(fd_read, d, s);
-#endif
-	}
-	int write(void * d, int s) {
-#ifdef WINDOWS
-		DWORD ret(0);
-		WriteFile(fd_write, d, s, &ret, NULL);
-		return ret;
-#else
-		return ::write(fd_write, d, s);
-#endif
-	}
-};
-
-constexpr int count = 4;
-Pipe pipes[count];
-
-class T: public PIThread {
+class PIValueTree {
 public:
-	T(int index): PIThread() {ind = index; pipe = pipes[index];}
-	void run() {
-		PIByteArray data(1024);
-		piCout << "[T"<<ind<<"] start";
-		int readed = pipe.read(data.data(), data.size());
-		piCout << "[T"<<ind<<"] readed" << readed << errorString();
-		piCout << "[T"<<ind<<"] end";
-	}
-	int ind;
-	Pipe pipe;
+	PIValueTree();
+	PIValueTree(const PIVariant & v);
+	PIValueTree(const PIString & n, const PIVariant & v);
+
+	enum FlagStandard {
+		Hidden       = 0x01,
+		Editable     = 0x02,
+		Label        = 0x04,
+		ArrayReorder = 0x1001,
+		ArrayDynamic = 0x1002,
+	};
+
+	bool isNull() const {return _is_null;}
+	bool isValid() const {return _value.isValid();}
+
+	const PIString & name() const {return _name;}
+	void setName(const PIString & n);
+
+	const PIVariant & value() const {return _value;}
+	void setValue(const PIVariant & v);
+
+	const PIVector<PIValueTree> & children() const {return _children;}
+
+	const PIVariantMap & attributes() const {return _attributes;}
+	PIVariantMap & attributes() {return _attributes;}
+
+	PIFlags<FlagStandard> flagsStandard() {return _flags_standard;}
+	uint flagsCustom() {return _flags_custom;}
+
+	bool contains(const PIString & name) const;
+	PIValueTree child(const PIString & name) const;
+	PIValueTree & child(const PIString & name);
+	PIValueTree & insert(const PIValueTree & n);
+	PIValueTree & remove(const PIString & name);
+
+private:
+	static PIValueTree & nullValue();
+	PIString _name;
+	PIVariantMap _attributes;
+	PIVariant _value;
+	PIVector<PIValueTree> _children;
+	uint _flags_standard = Editable;
+	uint _flags_custom = 0u;
+	bool _is_null = false;
 };
 
-PITimeMeasurer tm;
-void phase(const char * msg) {
-	piCout << "";
-	piCout << piRound(tm.elapsed_s() * 10) / 10. << "s" << msg;
+
+
+
+PIValueTree::PIValueTree() {
+}
+
+
+PIValueTree::PIValueTree(const PIVariant & v) {
+	setValue(v);
+}
+
+
+PIValueTree::PIValueTree(const PIString & n, const PIVariant & v) {
+	setName(n);
+	setValue(v);
+}
+
+
+void PIValueTree::setName(const PIString & n) {
+	if (_is_null) return;
+	_name = n;
+}
+
+
+void PIValueTree::setValue(const PIVariant & v) {
+	if (_is_null) return;
+	_value = v;
+}
+
+
+bool PIValueTree::contains(const PIString & name) const {
+	if (_is_null) return true;
+	for (const auto & c: _children)
+		if (c.name() == name)
+			return true;
+	return false;
+}
+
+
+PIValueTree PIValueTree::child(const PIString & name) const {
+	if (_is_null) return PIValueTree();
+	for (const auto & c: _children)
+		if (c.name() == name)
+			return c;
+	return PIValueTree();
+}
+
+
+PIValueTree & PIValueTree::child(const PIString & name) {
+	if (_is_null) return nullValue();
+	for (auto & c: _children)
+		if (c.name() == name)
+			return c;
+	return nullValue();
+}
+
+
+PIValueTree & PIValueTree::insert(const PIValueTree & n) {
+	if (_is_null) return nullValue();
+	for (auto & c: _children)
+		if (c.name() == n.name()) {
+			c = n;
+			return *this;
+		}
+	_children << n;
+	return *this;
+}
+
+
+PIValueTree & PIValueTree::remove(const PIString & name) {
+	if (_is_null) return nullValue();
+	_children.removeWhere([name](const PIValueTree & i){return i.name() == name;});
+	return *this;
+}
+
+
+PIValueTree & PIValueTree::nullValue() {
+	static PIValueTree ret;
+	ret._is_null = true;
+	return ret;
+}
+
+
+
+
+
+struct SomeType {
+	int i;
+	float f;
+};
+
+PICout operator <<(PICout c, const SomeType & v) {
+	c << "SomeType(" << v.i << "," << v.f << ")";
+	return c;
+}
+
+REGISTER_VARIANT(SomeType);
+REGISTER_VARIANT_CAST(SomeType, PIString) {
+	return PIString::fromNumber(v.i) + ";" + PIString::fromNumber(v.f);
+}
+REGISTER_VARIANT_CAST(PIString, SomeType) {
+	PIStringList sl = v.split(';').resize(2);
+	return SomeType{sl[0].toInt(), sl[1].toFloat()};
 }
 
 int main(int argc, char * argv[]) {
-	/*piCout << "main";
-
-	PITimer timer;
-	timer.setSlot([](){
-		static int cnt = 0;
-		piCout << "tick" << ++cnt;
-	});
-	timer.start(500);
-
-	piSleep(1.12);
-	piCout << "end";
-	PITimeMeasurer tm;
-	timer.stop();
-	double tm_ms = tm.elapsed_m();
-	piCout << "stop took" << tm_ms;*/
-
-	/*PIWaitEvent event;
-	event.create();
-	tm.reset();
-	PIThread::runOnce([&event](){
-		//piMSleep(100);
-		piCout << "interrupt";
-		//event.interrupt();
-	});
-	event.sleep(2010000);
-	double tm_ms = tm.elapsed_m();
-	piCout << "waited for" << tm_ms;
-	return 0;*/
-
-	/*for (int i = 0; i < count; ++i)
-		pipes[i].create();
-
-	PIVector<T*> threads;
-	piCout << "main start";
-	for (int i = 0; i < count; ++i) {
-		T * t = new T(i);
-		threads << t;
-		t->startOnce();
-	}
-	piMSleep(100);
-	for (int i = 0; i < count; ++i) {
-		//pipes[i].write((void*)"string", 7);
-		piMSleep(500);
-	}
-	piCout << "main wait";
-	for (int i = 0; i < count; ++i) {
-		threads[i]->interrupt();
-		threads[i]->waitForFinish();
-		piCout << "main T" << i << "done";
-	}
-	piCout << "main end";
-	for (int i = 0; i < count; ++i) {
-		pipes[i].destoy();
-		delete threads[i];
-	}*/
-
-	//PIEthernet eth(PIEthernet::UDP), seth(PIEthernet::UDP);
-	//eth.setReadAddress("127.0.0.1", 50000);
-	//eth.startThreadedRead();
-	//piCout << eth.open();
-
-	/*PIByteArray req = PIByteArray::fromHex("205e011000000000ef");
-	PISerial ser;
-	ser.setSpeed(PISerial::S9600);
-	ser.setOption(PIIODevice::BlockingRead, false);
-	ser.setVTime(200);
-	ser.open("COM3");
-	CONNECTL(&ser, threadedReadEvent, ([](const uchar * data, ssize_t size){
-		piCout << "*ser readed" << size;
-	}));
-	PIThread thread;
-	thread.start([&](void*){
-		piCout << "[T] start";
-		PIByteArray data = ((PIIODevice*)&ser)->read(1024);
-		piCout << "[T] readed" << data.size();// << errorString();
-		piCout << "[T] end";
-	}, 200);
-	//ser.startThreadedRead();
-
-	piSleep(1);
-	ser.write(req);
-	phase("Send");
-
-	piSleep(2);
-	phase("End");*/
-
-
-	PIEthernet eth(PIEthernet::TCP_Client), seth(PIEthernet::TCP_Server), * server_client = nullptr;
-
-	seth.listen("127.0.0.1", 50000, true);
-	//seth.startThreadedRead();
-	CONNECTL(&seth, newConnection, ([&server_client](PIEthernet * e){
-		server_client = e;
-		e->setName("TCP SC");
-		piCout << "newConn" << e;
-		CONNECTL(e, threadedReadEvent, ([](const uchar * data, ssize_t size){
-			piCout << "*TCP SC* readed" << size;
-		}));
-		CONNECTL(e, disconnected, ([](bool error){
-			piCout << "*TCP SC* disconnected" << error;
-		}));
-		e->startThreadedRead();
-	}));
-
-	eth.setName("TCP CC");
-	//eth.setParameter(PIEthernet::KeepConnection, false);
-	CONNECTL(&eth, connected, ([&eth](){
-		piCout << "*TCP CC* connected";
-		eth.send("byte", 5);
-	}));
-	CONNECTL(&eth, disconnected, ([](bool error){
-		piCout << "*TCP CC* disconnected" << error;
-	}));
-
-	piMSleep(500);
-	phase("Connect");
-	eth.connect("127.0.0.1", 50000);
-	eth.startThreadedRead();
-
-	piMSleep(500);
-	phase("Send 5");
-	piCout << "c-ing" << eth.isConnecting();
-	piCout << "c- ed" << eth.isConnected();
-	eth.send("byte", 5);
-
-	piMSleep(500);
-	phase("Send 6");
-	eth.send("bytes", 6);
-
-	piMSleep(500);
-	phase("Disconnect");
-	if (server_client)
-		server_client->close();
-	//eth.close();
-
-	piMSleep(500);
-	phase("END");
+	PIValueTree root;
+	root.insert({"bool", PIVariant(false)});
+	root.insert({"integer", PIVariant(256)});
+	root.insert({"string", PIVariant("str")});
+	//for (auto it: root.children()) {
+	//	piCout << it.name() << it.value();
+	//}
+	PIVariant v = PIVariant::fromValue(SomeType{1, 0.5f});
+	piCout << v;
+	piCout << v.toString();
+	v.setValueFromString("2;-0.1");
+	piCout << v;
+	piCout << v.toString();
 
 	return 0;
 }