diff --git a/CMakeLists.txt b/CMakeLists.txt
index 99ddf30a..431aabd7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,6 +24,7 @@ set(PIP_UTILS 1)
 if(LIBPROJECT)
 	set(PIP_UTILS ${UTILS})
 endif()
+set(CMAKE_CXX_STANDARD 11)
 
 
 # Basic
@@ -40,13 +41,13 @@ macro(gather_src DIR CPP H H_P)
 	list(APPEND ${H_P} ${PHS})
 endmacro()
 
-set(PIP_SRC_MAIN     "src_main")
-set(PIP_SRC_CRYPT    "src_crypt")
-set(PIP_SRC_COMPRESS "src_compress")
-set(PIP_SRC_USB      "src_usb")
-set(PIP_SRC_FFTW     "src_fftw")
-set(PIP_SRC_OPENCL   "src_opencl")
-set(PIP_SRC_IO_UTILS "src_io_utils")
+set(PIP_SRC_MAIN       "src_main")
+set(PIP_SRC_CRYPT      "src_crypt")
+set(PIP_SRC_COMPRESS   "src_compress")
+set(PIP_SRC_USB        "src_usb")
+set(PIP_SRC_FFTW       "src_fftw")
+set(PIP_SRC_OPENCL     "src_opencl")
+set(PIP_SRC_IO_UTILS   "src_io_utils")
 set(PIP_SRC_CONCURRENT "src_concurrent")
 set(PIP_SRC_DIRS "src_main" "src_crypt" "src_compress" "src_usb" "src_fftw" "src_opencl" "src_io_utils" "src_concurrent")
 set(PIP_LIBS_TARGETS pip)
diff --git a/main.cpp b/main.cpp
index ff3874eb..02a10607 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,13 +1,479 @@
 #include "pip.h"
 
-void test() {
-	piCout << "test";
+
+template <typename Key, typename T>
+class PIHash {
+	//template <typename Key1, typename T1> friend PIByteArray & operator >>(PIByteArray & s, PIHash<Key1, T1> & v);
+	//template <typename Key1, typename T1> friend PIByteArray & operator <<(PIByteArray & s, const PIHash<Key1, T1> & v);
+public:
+	PIHash() {;}
+	PIHash(const PIHash<Key, T> & other) {*this = other;}
+	virtual ~PIHash() {;}
+
+	PIHash<Key, T> & operator =(const PIHash<Key, T> & other) {
+		if (this == &other) return *this;
+		clear();
+		pih_content = other.pih_content;
+		return *this;
+	}
+
+	typedef T mapped_type;
+	typedef Key key_type;
+	typedef PIPair<Key, T> value_type;
+/*
+	class iterator {
+		friend class PIHash<Key, T>;
+	private:
+		iterator(const PIHash<Key, T> * v, ssize_t p): parent(v), pos(p) {}
+		const PIHash<Key, T> * parent;
+		ssize_t pos;
+	public:
+		iterator(): parent(0), pos(0) {}
+		const Key & key() const {return const_cast<PIHash<Key, T> * >(parent)->_key(pos);}
+		T & value() {return const_cast<PIHash<Key, T> * >(parent)->_value(pos);}
+		void operator ++() {++pos;}
+		void operator ++(int) {++pos;}
+		void operator --() {--pos;}
+		void operator --(int) {--pos;}
+		bool operator ==(const iterator & it) const {return (pos == it.pos);}
+		bool operator !=(const iterator & it) const {return (pos != it.pos);}
+	};
+
+	class reverse_iterator {
+		friend class PIHash<Key, T>;
+	private:
+		reverse_iterator(const PIHash<Key, T> * v, ssize_t p): parent(v), pos(p) {}
+		const PIHash<Key, T> * parent;
+		ssize_t pos;
+	public:
+		reverse_iterator(): parent(0), pos(0) {}
+		const Key & key() const {return const_cast<PIHash<Key, T> * >(parent)->_key(pos);}
+		T & value() const {return const_cast<PIHash<Key, T> * >(parent)->_value(pos);}
+		void operator ++() {--pos;}
+		void operator ++(int) {--pos;}
+		void operator --() {++pos;}
+		void operator --(int) {++pos;}
+		bool operator ==(const reverse_iterator & it) const {return (pos == it.pos);}
+		bool operator !=(const reverse_iterator & it) const {return (pos != it.pos);}
+	};
+*/
+	class const_iterator {
+		friend class PIHash<Key, T>;
+	private:
+		const_iterator(const PIHash<Key, T> * v, ssize_t p): parent(v), pos(p), bpos(0) {
+			if (pos == 0) {
+				pos = -1;
+				nextPos();
+			}
+		}
+		void nextPos() {
+			while (++pos < parent->pih_content.size_s()) {
+				if (!parent->pih_content[pos].isEmpty())
+					return;
+			}
+		}
+		const PIHash<Key, T> * parent;
+		ssize_t pos, bpos;
+	public:
+		const_iterator(): parent(0), pos(0) {}
+		//const value_type operator *() const {return parent->_pair(pos);}
+		//const value_type* operator ->() const {cval = parent->_pair(pos); return &cval;}
+		const Key & key() const {return const_cast<PIHash<Key, T> * >(parent)->pih_content[pos][bpos].key;}
+		const T & value() const {return const_cast<PIHash<Key, T> * >(parent)->pih_content[pos][bpos].value;}
+		void operator ++() {
+			if (pos < parent->pih_content.size_s()) {
+				if (bpos >= parent->pih_content[pos].size_s() - 1) {
+					bpos = 0;
+					nextPos();
+				} else
+					++bpos;
+			} else {
+				bpos = 0;
+				++pos;
+			}
+			printf("  ++: %d %d\n", pos, bpos);
+		}
+		//void operator ++(int) {++pos;}
+		void operator --() {
+			--pos;
+		}
+		//void operator --(int) {--pos;}
+		bool operator ==(const const_iterator & it) const {return (pos == it.pos && bpos == it.bpos);}
+		bool operator !=(const const_iterator & it) const {return !(*this == it);}
+		mutable value_type cval;
+	};
+/*
+	class const_reverse_iterator {
+		friend class PIHash<Key, T>;
+	private:
+		const_reverse_iterator(const PIHash<Key, T> * v, ssize_t p): parent(v), pos(p) {}
+		const PIHash<Key, T> * parent;
+		ssize_t pos;
+	public:
+		const_reverse_iterator(): parent(0), pos(0) {}
+		const value_type operator *() const {return parent->_pair(pos);}
+		const value_type* operator ->() const {cval = parent->_pair(pos); return &cval;}
+		void operator ++() {--pos;}
+		void operator ++(int) {--pos;}
+		void operator --() {++pos;}
+		void operator --(int) {++pos;}
+		bool operator ==(const const_reverse_iterator & it) const {return (pos == it.pos);}
+		bool operator !=(const const_reverse_iterator & it) const {return (pos != it.pos);}
+		mutable value_type cval;
+	};
+*/
+	//iterator begin() {return iterator(this, 0);}
+	//iterator end() {return iterator(this, size());}
+	const_iterator begin() const {return const_iterator(this, 0);}
+	const_iterator end() const {return const_iterator(this, size());}
+	const_iterator constBegin() const {return const_iterator(this, 0);}
+	const_iterator constEnd() const {return const_iterator(this, size());}
+	//reverse_iterator rbegin() {return reverse_iterator(this, size() - 1);}
+	//reverse_iterator rend() {return reverse_iterator(this, -1);}
+	//const_reverse_iterator rbegin() const {return const_reverse_iterator(this, size() - 1);}
+	//const_reverse_iterator rend() const {return const_reverse_iterator(this, -1);}
+	//const_reverse_iterator constRbegin() const {return const_reverse_iterator(this, size() - 1);}
+	//const_reverse_iterator constRend() const {return const_reverse_iterator(this, -1);}
+
+	size_t size() const {return pih_content.size();}
+	int size_s() const {return pih_content.size_s();}
+	size_t length() const {return pih_content.size();}
+	size_t capacity() const {return pih_content.size();}
+	bool isEmpty() const {return (pih_content.size() == 0);}
+
+	T & operator [](const Key & key) {
+		if (pih_content.isEmpty()) _rehash(1);
+		uint k = piHash(key);
+		int i = _index(k);
+		if (i < pih_content.size_s()) {
+			PIVector<HashEntry> & hv(pih_content[i]);
+			if (hv.size_s() == 1) {
+				if (hv[0].key == k)
+					return hv[0].value;
+			}
+			for (int j = 0; j < hv.size_s(); ++j)
+				if (hv[j].key == k)
+					return hv[j].value;
+		}
+		if (pih_content[i].size_s() >= 3)
+			_rehash(pih_content.size_s() * 2);
+		i = _index(k);
+		pih_content[i] << HashEntry(k);
+		return pih_content[i].back().value;
+	}
+	const T operator [](const Key & key) const {return value(key);}
+	T & at(const Key & key) {return (*this)[key];}
+	const T at(const Key & key) const {return (*this)[key];}
+
+	PIHash<Key, T> & operator <<(const PIHash<Key, T> & other) {
+		if (other.isEmpty()) return *this;
+		for (int i = 0; i < other.pih_content.size_s(); ++i)
+			for (int j = 0; j < other.pih_content[i].size_s(); ++j)
+				insert(other.pih_content[i][j].key, other.pih_content[i][j].value);
+		return *this;
+	}
+
+	bool operator ==(const PIHash<Key, T> & t) const {return (pih_content == t.pih_content);}
+	bool operator !=(const PIHash<Key, T> & t) const {return (pih_content != t.pih_content);}
+	bool contains(const Key & key) const {
+		bool f(false);
+		_find(key, f);
+		return f;
+	}
+
+	PIHash<Key, T> & reserve(size_t new_size) {_rehash(new_size); return *this;}
+
+	PIHash<Key, T> & remove(const Key & key) {
+		uint k = piHash(key);
+		int i = _index(k);
+		if (i >= pih_content.size_s()) return *this;
+		PIVector<HashEntry> & hv(pih_content[i]);
+		for (int j = 0; j < hv.size_s(); ++j)
+			if (hv[j].key == k) {
+				hv.remove(j);
+				--j;
+			}
+		return *this;
+	}
+	PIHash<Key, T> & erase(const Key & key) {return remove(key);}
+	PIHash<Key, T> & clear() {pih_content.clear(); return *this;}
+
+	void swap(PIHash<Key, T> & other) {
+		piSwapBinary<PIVector<PIVector<HashEntry> > >(pih_content, other.pih_content);
+	}
+
+	PIHash<Key, T> & insert(const Key & key, const T & value) {
+		(*this)[key] = value;
+		return *this;
+	}
+	const T value(const Key & key, const T & default_ = T()) const {
+		uint k = piHash(key);
+		int i = _index(k);
+		if (i >= pih_content.size_s()) return default_;
+		const PIVector<HashEntry> & hv(pih_content[i]);
+		for (int j = 0; j < hv.size_s(); ++j)
+			if (hv[j].key == k)
+				return hv[j].value;
+		return default_;
+	}
+	PIVector<T> values() const {
+		PIVector<T> ret;
+		for (int i = 0; i < pih_content.size_s(); ++i)
+			for (int j = 0; j < pih_content[i].size_s(); ++j)
+				ret << pih_content[i][j].value;
+		return ret;
+	}
+	/*Key key(const T & value_, const Key & default_ = Key()) const {
+		for (int i = 0; i < pih_content.size_s(); ++i)
+			for (int j = 0; j < pih_content[i].size_s(); ++j)
+				if (pih_content[i][j].value == value_)
+					return pih_content[i][j].key;
+		return default_;
+	}
+	PIVector<Key> keys() const {
+		PIVector<Key> ret;
+		for (int i = 0; i < pih_content.size_s(); ++i)
+			for (int j = 0; j < pih_content[i].size_s(); ++j)
+				ret << pih_content[i][j].key;
+		return ret;
+	}*/
+
+	/*void dump() {
+		piCout << "PIHash" << size() << "entries" << PICoutManipulators::NewLine << "content:";
+		for (size_t i = 0; i < pih_content.size(); ++i)
+			piCout << PICoutManipulators::Tab << i << ":" << pih_content[i];
+		piCout << "index:";
+		for (size_t i = 0; i < pim_index.size(); ++i)
+			piCout << PICoutManipulators::Tab << i << ":" << pim_index[i].key << "->" << pim_index[i].index;
+	}*/
+
+protected:
+	struct HashEntry {
+		HashEntry(uint k = 0, const T & v = T()): key(k), value(v) {;}
+		uint key;
+		T value;
+		bool operator ==(const HashEntry & s) const {return key == s.key;}
+		bool operator !=(const HashEntry & s) const {return key != s.key;}
+		bool operator <(const HashEntry & s) const {return key < s.key;}
+		bool operator >(const HashEntry & s) const {return key > s.key;}
+	};
+	/*template <typename Key1, typename T1> friend PIByteArray & operator >>(PIByteArray & s, PIDeque<typename PIHash<Key1, T1>::HashEntry> & v);
+	template <typename Key1, typename T1> friend PIByteArray & operator <<(PIByteArray & s, const PIDeque<typename PIHash<Key1, T1>::HashEntry> & v);
+
+	const value_type _pair(ssize_t index) const {
+		if (index < 0 || index >= pim_index.size_s())
+			return value_type();
+		//piCout << "_pair" << index << pim_index[index].index;
+		return value_type(pim_index[index].key, pih_content[pim_index[index].index]);
+	}
+	Key & _key(ssize_t index) {return pim_index[index].key;}
+	T & _value(ssize_t index) {return pih_content[pim_index[index].index];}*/
+
+	inline size_t asize(size_t s) {
+		if (s == 0) return 0;
+		if (pih_content.size() + pih_content.size() >= s && pih_content.size() < s)
+			return pih_content.size() + pih_content.size();
+		ssize_t t = 0, s_ = s - 1;
+		while (s_ >> t) ++t;
+		return (1 << t);
+	}
+	int _index(const uint & k) const {
+		return k % pih_content.size_s();
+	}
+	void _rehash(int ns) {
+		ns = asize(ns);
+		if (pih_content.size_s() == ns) return;
+		PIVector<PIVector<HashEntry> > nhc;
+		nhc.resize(ns);
+		for (int i = 0; i < pih_content.size_s(); ++i) {
+			for (int j = 0; j < pih_content[i].size_s(); ++j) {
+				HashEntry & e(pih_content[i][j]);
+				int ni = e.key % ns;
+				nhc[ni] << e;
+			}
+		}
+		pih_content.swap(nhc);
+	}
+
+	PIVector<PIVector<HashEntry> > pih_content;
+};
+
+
+template<typename Key, typename Type>
+inline PICout operator <<(PICout s, const PIHash<Key, Type> & v) {
+	s.space();
+	s.setControl(0, true);
+	s << "{";
+	bool first = true;
+	for (typename PIHash<Key, Type>::const_iterator i = v.begin(); i != v.end(); ++i) {
+		if (!first)
+			s << ", ";
+		first = false;
+		s << i.key() << ": " << i.value();
+	}
+	s << "}";
+	s.restoreControl();
+	return s;
 }
 
+
+struct HS {
+	HS() {i = 0; b0 = b1 = false;}
+	PIString str;
+	int i;
+	bool b0, b1;
+};
+PICout operator <<(const PICout & s, const HS & v) {s << v.str << ", i =" << v.i << ", b =" << v.b0 << v.b1; return s;}
+
+
+
+
+#include <piobject.h>
+
+typedef PIVector<int> MyType;
+REGISTER_VARIANT(MyType)
+
+
+class A: public PIObject {
+	PIOBJECT(A)
+public:
+	EVENT1(e1, MyType, v)
+};
+
+
+class B: public PIObject {
+	PIOBJECT(B)
+public:
+	EVENT_HANDLER1(void, h1, MyType, v) {piCout << "handler h1" << v;}
+};
+
+
+
 int main() {
-	PIThread::runOnce([](){ while(1) piCout << "thread1"; });
-	PIThread::runOnce([](){ while(1) piCout << "thread2"; });
-	PIThread::runOnce([](){ while(1) piCout << "thread3"; });
-	piMSleep(1);
+	PIThread thread([](){piCout << "thread";}, true, 100);
+	piMSleep(2000);
+	return 0;
+
+	PITimer timer([](){piCout << "timer";});
+	//t.setSlot(test);
+	timer.addDelimiter(5, [](void * d){piCout << "delim 5";});
+	timer.addDelimiter(2, [](){piCout << "delim 2";});
+	timer.start(100);
+	piMSleep(2000);
+
+	A a;
+	B b;
+	CONNECTU_QUEUED(&a, e1, &b, h1, &b);
+	a.e1(PIVector<int>() << 1 << 2);
+	b.callQueuedEvents();
+
+
+	return 0;
+
+	/*for (int i = 0; i < 0x2; ++i) {
+		PIByteArray ba, ba2;
+		writeOInt(ba, i); ba2 = ba;
+		uint u = readOInt(ba2);
+		piCout << "p =" << i << ", d =" << ba.toHex() << ", u =" << u;
+	}
+	for (int i = 0x7e; i < 0x82; ++i) {
+		PIByteArray ba, ba2;
+		writeOInt(ba, i); ba2 = ba;
+		uint u = readOInt(ba2);
+		piCout << "p =" << i << ", d =" << ba.toHex() << ", u =" << u;
+	}
+	for (int i = 0x3ffe; i < 0x4002; ++i) {
+		PIByteArray ba, ba2;
+		writeOInt(ba, i); ba2 = ba;
+		uint u = readOInt(ba2);
+		piCout << "p =" << i << ", d =" << ba.toHex() << ", u =" << u;
+	}
+	for (int i = 0x1ffffe; i < 0x200002; ++i) {
+		PIByteArray ba, ba2;
+		writeOInt(ba, i); ba2 = ba;
+		uint u = readOInt(ba2);
+		piCout << "p =" << i << ", d =" << ba.toHex() << ", u =" << u;
+	}*/
+	HS hs;
+	hs.str = "123";
+	hs.i = 321;
+	hs.b1 = true;
+	piCout << hs;
+	PIByteArray ba;
+	{
+	PIChunkStream cs(PIChunkStream::Version_2);
+	cs.add(1, hs.str).add(2, hs.i).add(3, hs.b0).add(4, hs.b1);
+	ba = cs.data();
+	}
+	hs = HS();
+	piCout << ba.size() << ba.toHex();
+	piCout << hs;
+	{
+	PIChunkStream cs(ba);
+	cs.readAll();
+	cs.get(1, hs.str).get(2, hs.i).get(3, hs.b0).get(4, hs.b1);
+	}
+	piCout << hs;
+
+	return 0;
+
+	PIConnection con;
+	PIString _str = "[connection]\ndevice.d = ser://COM2:9600\n";
+	con.configureFromString(&_str);
+	con.start();
+	PISerial * s = con.deviceByName("d")->cast<PISerial>();
+	while (1) {
+		piMSleep(500);
+		piCout << s;
+		if (s)
+			piCout << s->isOpened();
+	}
+	return 0;
+
+	PIHash<PIString, PIString> h;
+	h["1"] = "x";
+	h["2"] = "bbb";
+	h["3"] = "bbc";
+	h["4"] = "aaa";
+	h["5"] = "123";
+	h["6"] = "321";
+	h["7"] = "aaa";
+	h["7"] = "aaa!!!!!";
+	piCout << h.size() << h.capacity();
+	//h.reserve(64);
+	//piCout << h.keys() << h.values();
+	//piCout << (1 << 2);
+	PIHash<PIString, PIString> h2;
+	PIMap<PIString, PIString> m2;
+	PIString prefix = "1234567890";
+	PITimeMeasurer tm;
+	double el = 0.;
+
+	tm.reset();
+	for (int i=0; i<10000; ++i) {
+		h2[prefix + PIString::fromNumber(i)+"1234567890"] = PIString::fromNumber(randomi());
+	}
+	el = tm.elapsed_m(); piCout << el << h2.capacity();
+
+	tm.reset();
+	for (int i=0; i<10000; ++i) {
+		m2[prefix + PIString::fromNumber(i)+"1234567890"] = PIString::fromNumber(randomi());
+	}
+	el = tm.elapsed_m(); piCout << el;
+	piCout << "*********";
+
+	PIString _s;
+	tm.reset();
+	for (int i=10000; i>=0; --i) {
+		_s = h2.value(prefix + PIString::fromNumber(i)+"1234567890");
+	}
+	el = tm.elapsed_m(); piCout << el << h2.capacity();
+
+	tm.reset();
+	for (int i=10000; i>=0; --i) {
+		_s = m2.value(prefix + PIString::fromNumber(i)+"1234567890");
+	}
+	el = tm.elapsed_m(); piCout << el;
+
 	return 0;
 }
diff --git a/src_main/core/piobject.cpp b/src_main/core/piobject.cpp
index 66d9fccb..03074e85 100755
--- a/src_main/core/piobject.cpp
+++ b/src_main/core/piobject.cpp
@@ -273,22 +273,22 @@ void PIObject::piConnect(PIObject * src, const PIString & sig, PIObject * dest_o
 }
 
 
-bool PIObject::piConnectU(PIObject * src, const PIString & ename, PIObject * dest_o, void * dest, const PIString & hname, const char * loc, PIObject * performer) {
+bool PIObject::piConnectU(PIObject * src, const PIString & sig, PIObject * dest_o, void * dest, const PIString & hname, const char * loc, PIObject * performer) {
 	if (src == 0 || dest_o == 0 || dest == 0) return false;
 	if (!src->isPIObject()) {
-		piCout << "[piConnectU] \"" << ename << "\" -> \"" << hname << "\" error: source object is not PIObject! (" << loc << ")";
+		piCout << "[piConnectU] \"" << sig << "\" -> \"" << hname << "\" error: source object is not PIObject! (" << loc << ")";
 		return false;
 	}
 	if (!dest_o->isPIObject()) {
-		piCout << "[piConnectU] \"" << ename << "\" -> \"" << hname << "\" error: destination object is not PIObject! (" << loc << ")";
+		piCout << "[piConnectU] \"" << sig << "\" -> \"" << hname << "\" error: destination object is not PIObject! (" << loc << ")";
 		return false;
 	}
 	PIMutexLocker ml(__meta_mutex());
 	PIMutexLocker mls(src->mutex_connect);
 	PIMutexLocker mld(dest_o->mutex_connect, src != dest_o);
-	PIVector<__MetaFunc> m_src = src->findEH(ename), m_dest = dest_o->findEH(hname);
+	PIVector<__MetaFunc> m_src = src->findEH(sig), m_dest = dest_o->findEH(hname);
 	if (m_src.isEmpty()) {
-		piCout << "[piConnectU] Error: can`t find event \"" << ename << "\" in class \"" << src->className() << "\"! (" << loc << ")";
+		piCout << "[piConnectU] Error: can`t find event \"" << sig << "\" in class \"" << src->className() << "\"! (" << loc << ")";
 		return false;
 	}
 	if (m_dest.isEmpty()) {
@@ -310,11 +310,11 @@ bool PIObject::piConnectU(PIObject * src, const PIString & ename, PIObject * des
 		}
 	}
 	if (addr_src == 0) {
-		piCout << "[piConnectU] Error: can`t find suitable pair of event \"" << ename << "\" in class \"" << src->className()
+		piCout << "[piConnectU] Error: can`t find suitable pair of event \"" << sig << "\" in class \"" << src->className()
 				<< "\" and handler \"" << hname << "\" in class \"" << dest_o->className() << "\"! (" << loc << ")";
 		return false;
 	}
-	src->connections << PIObject::__Connection(addr_dest, addr_src, ename, dest_o, dest, args, performer);
+	src->connections << PIObject::__Connection(addr_dest, addr_src, sig, dest_o, dest, args, performer);
 	if (que) performer->proc_event_queue = true;
 	dest_o->connectors << src;
 	//piCout << cc << cq << _ol.size();//"connect" << src << "->" << dest_o << ", dest.connectors.size() =" << dest_o->connectors.size();
@@ -322,12 +322,48 @@ bool PIObject::piConnectU(PIObject * src, const PIString & ename, PIObject * des
 }
 
 
+#ifdef PIP_CXX11_SUPPORT
+bool PIObject::piConnectLS(PIObject * src, const PIString & sig, std::function<void()> * f, const char * loc) {
+	if (src == 0) {
+		delete f;
+		return false;
+	}
+	if (!src->isPIObject()) {
+		piCout << "[piConnectLS] \"" << sig << "\" -> [lambda] error: source object is not PIObject! (" << loc << ")";
+		delete f;
+		return false;
+	}
+	PIMutexLocker ml(__meta_mutex());
+	PIMutexLocker mls(src->mutex_connect);
+	//piCout << "locked";
+	PIVector<__MetaFunc> m_src = src->findEH(sig);
+	if (m_src.isEmpty()) {
+		piCout << "[piConnectLS] Error: can`t find event \"" << sig << "\" in class \"" << src->className() << "\"! (" << loc << ")";
+		delete f;
+		return false;
+	}
+	if (m_src.size() != 1) {
+		piCout << "[piConnectLS] Error: can`t connect overloaded event \"" << sig << "\" in class \"" << src->className() << "\"! (" << loc << ")";
+		delete f;
+		return false;
+	}
+	PIObject::__Connection conn(0, m_src[0].addr, sig);
+	//piCout << "found";
+	conn.functor = f;
+	src->connections << conn;
+	//piCout << "finished";
+	return true;
+}
+#endif
+
+
 void PIObject::piDisconnect(PIObject * src, const PIString & sig, PIObject * dest, void * ev_h) {
 	PIMutexLocker _ml(src->mutex_connect);
 	PIMutexLocker _mld(dest->mutex_connect, src != dest);
 	for (int i = 0; i < src->connections.size_s(); ++i) {
 		__Connection & cc(src->connections[i]);
 		if (cc.event == sig && cc.dest_o == dest && cc.slot == ev_h) {
+			src->connections[i].destroy();
 			src->connections.remove(i);
 			i--;
 		}
@@ -342,6 +378,7 @@ void PIObject::piDisconnect(PIObject * src, const PIString & sig, PIObject * des
 	for (int i = 0; i < src->connections.size_s(); ++i) {
 		__Connection & cc(src->connections[i]);
 		if (cc.event == sig && cc.dest_o == dest) {
+			src->connections[i].destroy();
 			src->connections.remove(i);
 			i--;
 		}
@@ -356,12 +393,15 @@ void PIObject::piDisconnect(PIObject * src, const PIString & sig) {
 		__Connection & cc(src->connections[i]);
 		if (cc.event == sig) {
 			PIObject * dest = cc.dest_o;
-			src->connections.remove(i);
-			i--;
+			if (!dest) {
+				src->connections[i].destroy();
+				src->connections.remove(i);
+				i--;
 #if !defined(ANDROID) && !defined(MAC_OS) && !defined(FREERTOS)
-			PIMutexLocker _mld(dest->mutex_connect, src != dest);
+				PIMutexLocker _mld(dest->mutex_connect, src != dest);
 #endif
-			dest->updateConnectors();
+				dest->updateConnectors();
+			}
 		}
 	}
 }
@@ -380,17 +420,23 @@ void PIObject::piDisconnect(PIObject * src) {
 #endif
 		PIVector<__Connection> & oc(o->connections);
 		for (int i = 0; i < oc.size_s(); ++i) {
+			if (oc[i].functor) continue;
 			//piCout << "    check" << (void*)(oc[i].dest_o) << "==" << (void*)(src);
 			if (oc[i].dest_o == src) {
+				oc[i].destroy();
 				oc.remove(i);
 				--i;
 			}
 		}
 	}
 	piForeachC (PIObject::__Connection & c, src->connections) {
+		if (c.functor) continue;
+		if (!c.dest_o) continue;
 		if (!c.dest_o->isPIObject()) continue;
 		c.dest_o->connectors.remove(src);
 	}
+	for (int i = 0; i < src->connections.size_s(); ++i)
+		src->connections[i].destroy();
 	src->connections.clear();
 }
 
@@ -562,14 +608,18 @@ void PIObject::dump(const PIString & line_prefix) const {
 	//printf("dump %d connections\n",connections.size());
 	piForeachC (__Connection & c, connections) {
 		PIObject * dst = c.dest_o;
-		__MetaFunc hf = dst->methodEH(c.slot);
 		__MetaFunc ef = methodEH(c.signal);
-		if (hf.func_name.isEmpty()) hf.func_name = "[BROKEN]";
-		else hf.func_name += "(" + hf.arguments() + ")";
 		PIString src(c.event);
 		if (!ef.func_name.isEmpty())
 			src = ef.func_name + "(" + ef.arguments() + ")";
-		PICout(PICoutManipulators::AddNewLine) << line_prefix << "        " << src << " -> " << dst->className() << " (" << c.dest << ", \"" << dst->name()  << "\")::" << hf.func_name;
+		if (dst) {
+			__MetaFunc hf = dst->methodEH(c.slot);
+			if (hf.func_name.isEmpty()) hf.func_name = "[BROKEN]";
+			else hf.func_name += "(" + hf.arguments() + ")";
+			PICout(PICoutManipulators::AddNewLine) << line_prefix << "        " << src << " -> " << dst->className() << " (" << c.dest << ", \"" << dst->name()  << "\")::" << hf.func_name;
+		} else {
+			PICout(PICoutManipulators::AddNewLine) << line_prefix << "        " << src << " -> " << "[lambda]";
+		}
 	}
 	//printf("dump %d connections ok\n",connections.size());
 	PICout(PICoutManipulators::AddNewLine) << line_prefix << "    }";
@@ -630,3 +680,13 @@ void PIObject::__MetaData::addScope(const PIString & s) {
 		scope_id << s.hash();
 	}
 }
+
+
+
+
+void PIObject::__Connection::destroy() {
+#ifdef PIP_CXX11_SUPPORT
+	if (functor) delete functor;
+	functor = nullptr;
+#endif
+}
diff --git a/src_main/core/piobject.h b/src_main/core/piobject.h
index 9a309a07..cfa77b5c 100755
--- a/src_main/core/piobject.h
+++ b/src_main/core/piobject.h
@@ -114,6 +114,9 @@
 ///  Event handler will be executed by \"performer\". \"Event\" and \"handler\" must has equal argument lists.
 #define CONNECTU_QUEUED(src, event, dest, handler, performer)
 
+/// \relatesalso PIObject \brief connect event \"event\" from object \"src\"  to  lambda-expression \"functor\". \"Event\" and \"functor\" must has equal argument lists.
+#define CONNECTL(src, event, functor)
+
 /// \relatesalso PIObject \brief connect event \"event\" from object \"src\"  to  event handler \"handler\" with return type \"ret\" from object \"dest\" with check of event and handler exists
 #define CONNECT0(ret, src, event, dest, handler)
 
@@ -452,6 +455,9 @@
 
 #define CONNECTU(src, event, dest, handler) PIObject::piConnectU(src, PIStringAscii(#event), dest, dest, PIStringAscii(#handler), LOCATION);
 #define CONNECTU_QUEUED(src, event, dest, handler, performer) PIObject::piConnectU(src, PIStringAscii(#event), dest, dest, PIStringAscii(#handler), LOCATION, performer);
+#ifdef PIP_CXX11_SUPPORT
+#  define CONNECTL(src, event, functor) PIObject::piConnectLS(src, PIStringAscii(#event), PIObject::__newFunctor(&(src)->__stat_eh_##event##__, functor), LOCATION);
+#endif
 
 #define CONNECT0(ret, src, event, dest, handler) PIObject::piConnect(src, PIStringAscii(#event), dest, dest, (void*)(ret(*)(void*))(&(dest)->__stat_eh_##handler##__), (void*)(void(*)(void*))(&(src)->__stat_eh_##event##__), 0, LOCATION);
 #define CONNECT1(ret, a0, src, event, dest, handler) PIObject::piConnect(src, PIStringAscii(#event), dest, dest, (void*)(ret(*)(void*, a0))(&(dest)->__stat_eh_##handler##__), (void*)(void(*)(void*, a0))(&(src)->__stat_eh_##event##__), 1, LOCATION);
@@ -590,8 +596,15 @@ public:
 	
 	// / Direct connect
 	static void piConnect(PIObject * src, const PIString & sig, PIObject * dest_o, void * dest, void * ev_h, void * e_h, int args, const char * loc);
-	static bool piConnectU(PIObject * src, const PIString & ename, PIObject * dest_o, void * dest, const PIString & hname, const char * loc, PIObject * performer = 0);
-	
+	static bool piConnectU(PIObject * src, const PIString & sig, PIObject * dest_o, void * dest, const PIString & hname, const char * loc, PIObject * performer = 0);
+#ifdef PIP_CXX11_SUPPORT
+	static bool piConnectLS(PIObject * src, const PIString & sig, std::function<void()> * f, const char * loc);
+	template <typename INPUT, typename... TYPES>
+	static std::function<void()> * __newFunctor(void(*stat_handler)(void*,TYPES...), INPUT functor) {
+		return (std::function<void()>*)(new std::function<void(TYPES...)>(functor));
+	}
+#endif
+
 	// / Through names and mixed
 	static void piConnect(const PIString & src, const PIString & sig, void * dest, void * ev_h);
 	static void piConnect(PIObject * src, const PIString & sig, const PIString & dest, void * ev_h);
@@ -612,15 +625,23 @@ public:
 		for (int j = 0; j < sender->connections.size_s(); ++j) {
 			__Connection & i(sender->connections[j]);
 			if (i.eventID != eventID) continue;
-			if (i.performer) {
-				i.performer->postQueuedEvent(__QueuedEvent(i.slot, i.dest, i.dest_o, sender));
+#ifdef PIP_CXX11_SUPPORT
+			if (i.functor) {
+				(*(i.functor))();
 			} else {
-				if (sender->thread_safe_) i.dest_o->mutex_.lock();
-				i.dest_o->emitter_ = sender;
-				((void( *)(void * ))i.slot)(i.dest);
-				i.dest_o->emitter_ = 0;
-				if (sender->thread_safe_) i.dest_o->mutex_.unlock();
+#endif
+				if (i.performer) {
+					i.performer->postQueuedEvent(__QueuedEvent(i.slot, i.dest, i.dest_o, sender));
+				} else {
+					if (sender->thread_safe_) i.dest_o->mutex_.lock();
+					i.dest_o->emitter_ = sender;
+					((void( *)(void * ))i.slot)(i.dest);
+					i.dest_o->emitter_ = 0;
+					if (sender->thread_safe_) i.dest_o->mutex_.unlock();
+				}
+#ifdef PIP_CXX11_SUPPORT
 			}
+#endif
 		}
 	}
 	
@@ -629,18 +650,26 @@ public:
 		for (int j = 0; j < sender->connections.size_s(); ++j) {
 			__Connection & i(sender->connections[j]);
 			if (i.eventID != eventID) continue;
-			if (i.performer) {
-				PIVector<PIVariant> vl;
-				if (i.args_count > 0) vl << PIVariant::fromValue(v0);
-				i.performer->postQueuedEvent(__QueuedEvent(i.slot, i.dest, i.dest_o, sender, vl));
+#ifdef PIP_CXX11_SUPPORT
+			if (i.functor) {
+				(*((std::function<void(T0)>*)i.functor))(v0);
 			} else {
-				if (sender->thread_safe_) i.dest_o->mutex_.lock();
-				i.dest_o->emitter_ = sender;
-				if (i.args_count == 0) ((void(*)(void *))i.slot)(i.dest);
-				else ((void(*)(void * , T0))i.slot)(i.dest, v0);
-				i.dest_o->emitter_ = 0;
-				if (sender->thread_safe_) i.dest_o->mutex_.unlock();
+#endif
+				if (i.performer) {
+					PIVector<PIVariant> vl;
+					if (i.args_count > 0) vl << PIVariant::fromValue(v0);
+					i.performer->postQueuedEvent(__QueuedEvent(i.slot, i.dest, i.dest_o, sender, vl));
+				} else {
+					if (sender->thread_safe_) i.dest_o->mutex_.lock();
+					i.dest_o->emitter_ = sender;
+					if (i.args_count == 0) ((void(*)(void *))i.slot)(i.dest);
+					else ((void(*)(void * , T0))i.slot)(i.dest, v0);
+					i.dest_o->emitter_ = 0;
+					if (sender->thread_safe_) i.dest_o->mutex_.unlock();
+				}
+#ifdef PIP_CXX11_SUPPORT
 			}
+#endif
 		}
 	}
 	template <typename T0, typename T1>
@@ -648,22 +677,30 @@ public:
 		for (int j = 0; j < sender->connections.size_s(); ++j) {
 			__Connection & i(sender->connections[j]);
 			if (i.eventID != eventID) continue;
-			if (i.performer) {
-				PIVector<PIVariant> vl;
-				if (i.args_count > 0) vl << PIVariant::fromValue(v0);
-				if (i.args_count > 1) vl << PIVariant::fromValue(v1);
-				i.performer->postQueuedEvent(__QueuedEvent(i.slot, i.dest, i.dest_o, sender, vl));
+#ifdef PIP_CXX11_SUPPORT
+			if (i.functor) {
+				(*((std::function<void(T0, T1)>*)i.functor))(v0, v1);
 			} else {
-				if (sender->thread_safe_) i.dest_o->mutex_.lock();
-				i.dest_o->emitter_ = sender;
-				switch (i.args_count) {
-				case 0: ((void(*)(void *))i.slot)(i.dest); break;
-				case 1: ((void(*)(void * , T0))i.slot)(i.dest, v0); break;
-				default: ((void(*)(void * , T0, T1))i.slot)(i.dest, v0, v1); break;
+#endif
+				if (i.performer) {
+					PIVector<PIVariant> vl;
+					if (i.args_count > 0) vl << PIVariant::fromValue(v0);
+					if (i.args_count > 1) vl << PIVariant::fromValue(v1);
+					i.performer->postQueuedEvent(__QueuedEvent(i.slot, i.dest, i.dest_o, sender, vl));
+				} else {
+					if (sender->thread_safe_) i.dest_o->mutex_.lock();
+					i.dest_o->emitter_ = sender;
+					switch (i.args_count) {
+					case 0: ((void(*)(void *))i.slot)(i.dest); break;
+					case 1: ((void(*)(void * , T0))i.slot)(i.dest, v0); break;
+					default: ((void(*)(void * , T0, T1))i.slot)(i.dest, v0, v1); break;
+					}
+					i.dest_o->emitter_ = 0;
+					if (sender->thread_safe_) i.dest_o->mutex_.unlock();
 				}
-				i.dest_o->emitter_ = 0;
-				if (sender->thread_safe_) i.dest_o->mutex_.unlock();
+#ifdef PIP_CXX11_SUPPORT
 			}
+#endif
 		}
 	}
 	template <typename T0, typename T1, typename T2>
@@ -671,24 +708,32 @@ public:
 		for (int j = 0; j < sender->connections.size_s(); ++j) {
 			__Connection & i(sender->connections[j]);
 			if (i.eventID != eventID) continue;
-			if (i.performer) {
-				PIVector<PIVariant> vl;
-				if (i.args_count > 0) vl << PIVariant::fromValue(v0);
-				if (i.args_count > 1) vl << PIVariant::fromValue(v1);
-				if (i.args_count > 2) vl << PIVariant::fromValue(v2);
-				i.performer->postQueuedEvent(__QueuedEvent(i.slot, i.dest, i.dest_o, sender, vl));
+#ifdef PIP_CXX11_SUPPORT
+			if (i.functor) {
+				(*((std::function<void(T0, T1, T2)>*)i.functor))(v0, v1, v2);
 			} else {
-				if (sender->thread_safe_) i.dest_o->mutex_.lock();
-				i.dest_o->emitter_ = sender;
-				switch (i.args_count) {
-				case 0: ((void(*)(void *))i.slot)(i.dest); break;
-				case 1: ((void(*)(void * , T0))i.slot)(i.dest, v0); break;
-				case 2: ((void(*)(void * , T0, T1))i.slot)(i.dest, v0, v1); break;
-				default: ((void(*)(void * , T0, T1, T2))i.slot)(i.dest, v0, v1, v2); break;
+#endif
+				if (i.performer) {
+					PIVector<PIVariant> vl;
+					if (i.args_count > 0) vl << PIVariant::fromValue(v0);
+					if (i.args_count > 1) vl << PIVariant::fromValue(v1);
+					if (i.args_count > 2) vl << PIVariant::fromValue(v2);
+					i.performer->postQueuedEvent(__QueuedEvent(i.slot, i.dest, i.dest_o, sender, vl));
+				} else {
+					if (sender->thread_safe_) i.dest_o->mutex_.lock();
+					i.dest_o->emitter_ = sender;
+					switch (i.args_count) {
+					case 0: ((void(*)(void *))i.slot)(i.dest); break;
+					case 1: ((void(*)(void * , T0))i.slot)(i.dest, v0); break;
+					case 2: ((void(*)(void * , T0, T1))i.slot)(i.dest, v0, v1); break;
+					default: ((void(*)(void * , T0, T1, T2))i.slot)(i.dest, v0, v1, v2); break;
+					}
+					i.dest_o->emitter_ = 0;
+					if (sender->thread_safe_) i.dest_o->mutex_.unlock();
 				}
-				i.dest_o->emitter_ = 0;
-				if (sender->thread_safe_) i.dest_o->mutex_.unlock();
+#ifdef PIP_CXX11_SUPPORT
 			}
+#endif
 		}
 	}
 	template <typename T0, typename T1, typename T2, typename T3>
@@ -696,26 +741,34 @@ public:
 		for (int j = 0; j < sender->connections.size_s(); ++j) {
 			__Connection & i(sender->connections[j]);
 			if (i.eventID != eventID) continue;
-			if (i.performer) {
-				PIVector<PIVariant> vl;
-				if (i.args_count > 0) vl << PIVariant::fromValue(v0);
-				if (i.args_count > 1) vl << PIVariant::fromValue(v1);
-				if (i.args_count > 2) vl << PIVariant::fromValue(v2);
-				if (i.args_count > 3) vl << PIVariant::fromValue(v3);
-				i.performer->postQueuedEvent(__QueuedEvent(i.slot, i.dest, i.dest_o, sender, vl));
+#ifdef PIP_CXX11_SUPPORT
+			if (i.functor) {
+				(*((std::function<void(T0, T1, T2, T3)>*)i.functor))(v0, v1, v2, v3);
 			} else {
-				if (sender->thread_safe_) i.dest_o->mutex_.lock();
-				i.dest_o->emitter_ = sender;
-				switch (i.args_count) {
-				case 0: ((void(*)(void *))i.slot)(i.dest); break;
-				case 1: ((void(*)(void * , T0))i.slot)(i.dest, v0); break;
-				case 2: ((void(*)(void * , T0, T1))i.slot)(i.dest, v0, v1); break;
-				case 3: ((void(*)(void * , T0, T1, T2))i.slot)(i.dest, v0, v1, v2); break;
-				default: ((void(*)(void * , T0, T1, T2, T3))i.slot)(i.dest, v0, v1, v2, v3); break;
+#endif
+				if (i.performer) {
+					PIVector<PIVariant> vl;
+					if (i.args_count > 0) vl << PIVariant::fromValue(v0);
+					if (i.args_count > 1) vl << PIVariant::fromValue(v1);
+					if (i.args_count > 2) vl << PIVariant::fromValue(v2);
+					if (i.args_count > 3) vl << PIVariant::fromValue(v3);
+					i.performer->postQueuedEvent(__QueuedEvent(i.slot, i.dest, i.dest_o, sender, vl));
+				} else {
+					if (sender->thread_safe_) i.dest_o->mutex_.lock();
+					i.dest_o->emitter_ = sender;
+					switch (i.args_count) {
+					case 0: ((void(*)(void *))i.slot)(i.dest); break;
+					case 1: ((void(*)(void * , T0))i.slot)(i.dest, v0); break;
+					case 2: ((void(*)(void * , T0, T1))i.slot)(i.dest, v0, v1); break;
+					case 3: ((void(*)(void * , T0, T1, T2))i.slot)(i.dest, v0, v1, v2); break;
+					default: ((void(*)(void * , T0, T1, T2, T3))i.slot)(i.dest, v0, v1, v2, v3); break;
+					}
+					i.dest_o->emitter_ = 0;
+					if (sender->thread_safe_) i.dest_o->mutex_.unlock();
 				}
-				i.dest_o->emitter_ = 0;
-				if (sender->thread_safe_) i.dest_o->mutex_.unlock();
+#ifdef PIP_CXX11_SUPPORT
 			}
+#endif
 		}
 	}
 	
@@ -815,9 +868,16 @@ private:
 			dest = d;
 			args_count = ac;
 			performer = p;
+#ifdef PIP_CXX11_SUPPORT
+			functor = 0;
+#endif
 		}
+		void destroy();
 		void * slot;
 		void * signal;
+#ifdef PIP_CXX11_SUPPORT
+		std::function<void()> * functor;
+#endif
 		PIString event;
 		uint eventID;
 		PIObject * dest_o;