---

QTcpSocket socketToRead;

...

QByteArray Header;
qint64 ba = socketToRead->bytesAvailable();              // = 82 = соответствует тому, что отсылает клиент
qint64 s2 = 5;
bool ok = socketToRead->readLineInto(&Header, s2);
qsizetype s = Header.size();                                        // = 4
qDebug() << "Доступно = " << ba << "Считано байт " << s << "=" << Header;    // доступно = 8 2, считано = 4 = 0007

---

---

       
    // --- создание интерфейса ---
        MsgWindow = new QTextEdit();
        MsgWindow->setReadOnly(true);

        QVBoxLayout* vl = new QVBoxLayout();

        vl->addWidget(new QLabel("<H1>Server1<H1>"));
        vl->addWidget(MsgWindow);

    setLayout(vl);
    // -------------------------------

---

---

class MyMainWindow : public QMainWindow {
  void CreateGUI() {
        здесь весь код из блока, приведенного выше
        // --- создание интерфейса ---
  }
}

---

---

#pragma once

// Export/import macros for Windows and GCC/Clang
#ifdef _WIN32
#ifdef RLIB_EXPORT
#define RLIB_API __declspec(dllexport)
#else
#define RLIB_API __declspec(dllimport)
#endif
#else
#define RLIB_API __attribute__((visibility("default")))
#endif

#include "LegendX.hpp"
#include "Total.hpp"


namespace Ret {
class RLIB_API Ret::Diagram;

class RLIB_API Ret::PointsSequenceX;

class RLIB_API Ret::PointsSequenceXDrawer;

class RLIB_API Ret::LegendX;
} // namespace Ret

---

---

cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
project(retomtt VERSION 0.0.1)
set(CMAKE_CXX_STANDARD 14)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
find_package(PkgConfig)
pkg_check_modules(GTKMM gtkmm-3.0 REQUIRED)
pkg_check_modules(LIBXMLPP REQUIRED libxml++-2.6)
set_source_files_properties(${RESOURCE_FILE} PROPERTIES COMPILE_FLAGS -Wno-overlength-strings)

include_directories(External/Libraries/RetomCommonSolution)
include_directories(External/Libraries/PointsSequenceX)
include_directories(External/Libraries/RetomCommonSolution/RetLibCommonView/View/Gtk3)

file(GLOB_RECURSE rcsFiles External/Libraries/RetomCommonSolution/*/*.cpp)
file(GLOB_RECURSE rcsHeaders External/Libraries/RetomCommonSolution/*/*.h)

set(RCS_LIB _retom_cs)

add_definitions(-D_USE_MATH_DEFINES)

add_library(${RCS_LIB} SHARED ${rcsFiles} ${rcsHeaders})
target_include_directories(
  ${RCS_LIB}
  PUBLIC
    External/Libraries/RetomCommonSolution
    External/Libraries/RetomCommonSolution/RetLibCommonView/View/Gtk3
    External/Libraries/RetomCommonSolution/RetLibCommonView/View/Gtk3/SeriesDrawArea/CoordsConverter
    External/Libraries/PointsSequenceX)

# Set C++14 standard for the library
target_compile_features(${RCS_LIB} PRIVATE cxx_std_14)
set_target_properties(
  ${RCS_LIB}
  PROPERTIES CXX_STANDARD 14
            CXX_STANDARD_REQUIRED ON
            CXX_EXTENSIONS OFF)

target_include_directories(${RCS_LIB} PRIVATE ${GTKMM_INCLUDE_DIRS})
target_link_libraries(${RCS_LIB} PRIVATE ${GTKMM_LIBRARIES})

target_include_directories(${RCS_LIB} SYSTEM PRIVATE ${LIBXMLPP_INCLUDE_DIRS})
target_link_libraries(${RCS_LIB} PRIVATE ${LIBXMLPP_LIBRARIES})

# Define export macro on Windows
if(WIN32)
  target_compile_definitions(${RCS_LIB} PRIVATE RETOMLIB_EXPORT)
endif()

set(sources
    main.cpp
    MainWindow/mainwindow.cpp
    model/main.cpp
    gtk_helpers.cpp
    ${RESOURCE_FILE}
)

set(headers
    MainWindow/mainwindow.hpp
    AboutWindow/aboutwindow.hpp
    model/main.hpp
    gtk_helpers.hpp
)

add_executable(${PROJECT_NAME} WIN32 ${sources} ${headers})
...

add_custom_target(gladeGeneratedResource ALL DEPENDS ${RESOURCE_FILE})

target_include_directories(${PROJECT_NAME} PRIVATE ./)

...

target_link_libraries(${PROJECT_NAME} PRIVATE ${RCS_LIB})

if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.12)
  add_custom_command(
    TARGET ${PROJECT_NAME}
    POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy_if_different $<TARGET_FILE:${RCS_LIB}>
            $<TARGET_FILE_DIR:${PROJECT_NAME}>)
endif()

---

---

C:\Windows\system32\cmd.exe /C "cd . && C:\msys64\mingw64\bin\c++.exe -g -mwindows CMakeFiles/retomtt.dir/main.cpp.obj CMakeFiles/retomtt.dir/MainWindow/mainwindow.cpp.obj CMakeFiles/retomtt.dir/model/main.cpp.obj CMakeFiles/retomtt.dir/gtk_helpers.cpp.obj -o retomtt.exe -Wl,--out-implib,libretomtt.dll.a -Wl,--major-image-version,0,--minor-image-version,0  -lgtkmm-3.0  -latkmm-1.6  -lgdkmm-3.0  -lgiomm-2.4  -lgtk-3  -lgdk-3  -lz  -lgdi32  -limm32  -lshell32  -lole32  -luuid 
-lwinmm  -ldwmapi  -lsetupapi  -lcfgmgr32  -lhid  -lwinspool  -lcomctl32  -lcomdlg32  -lcairo-gobject  -latk-1.0  -lpangomm-1.4  -lglibmm-2.4  -lcairomm-1.0  -lsigc-2.0  -lpangocairo-1.0  -lpangowin32-1.0  -lpango-1.0  -lcairo  -lharfbuzz  -lgdk_pixbuf-2.0  -lgio-2.0  -lgobject-2.0  -lglib-2.0  -lintl  -lxml++-2.6  -lxml2  -lglibmm-2.4  -lgobject-2.0  -lglib-2.0  -lintl  -lsigc-2.0  lib_retom_cs.dll.a  -lcairomm-1.0  -lpangocairo-1.0  -lpangowin32-1.0  -lpango-1.0  -lcairo  -lharfbuzz  -lgdk_pixbuf-2.0  -lgio-2.0  -lxml++-2.6  -lxml2  C:/msys64/mingw64/lib/libxlsxwriter.dll.a  -lkernel32 -luser32 -lgdi32 -lwinspool -lshell32 -lole32 -loleaut32 -luuid -lcomdlg32 -ladvapi32 && C:\Windows\system32\cmd.exe /C "cd /D E:\VBStore\common\retomTT-multiplatform\build && C:\msys64\mingw64\bin\cmake.exe -E copy_if_different E:/VBStore/common/retomTT-multiplatform/build/lib_retom_cs.dll E:/VBStore/common/retomTT-multiplatform/build""
collect2.exe: error: ld returned 37 exit status

---

---

FILE*f=fopen("ers","wb);fwrite('a',1,1,f);fclose(f);

---

---

FILE*f=fopen("ers","ab+");fwrite('b',1,1,f);fclose(f);

---

---

start(QThread::HighPriority);

---

---

class Worker : public QObject {
    Q_OBJECT
public:
    Worker();
    ~Worker();
public slots:
    void process();
    void read_net_data();
signals:
    void finished();
    void error(QString err);
private:
    QByteArray CurData; -- с этими данными будет работать _process_ и _read_net_data_
};

QThread* thread = new QThread();
Worker* worker = new Worker();
worker->moveToThread(thread);

---

---

uint16_t m;
...
for (uint8_t i = 0, m = 0; i < 10; i++) {
    ...
    if(...)
        m++;
    ...
}
if(m>5) {

}

---

---

#include <Windows.h>
#include <iostream>
#include <conio.h>                        // kbhit
#include <QtNetwork>
#include "MyClient.h"

#include <QJsonObject>
#include <QJsonDocument>


QJsonDocument* Get_JsonDoc() {
        QJsonObject* j = new QJsonObject();
        assert(j != nullptr);

        j->insert("a", "1");

        QJsonDocument* d = new QJsonDocument(j);          --- здесь ошибка
        assert(d != nullptr);

        return d;
}
...

---