QtProcessExteriorExe把其他程序加载到Qt界面中

相关资料：

https://www.baidu.com/link?url=1uzHF_j5lIqL0FWbARNYLnV2pD1tDzbtcwE4KUsg5KkCUPO_Y3RBODMm-KqUEpu46leD-gVAxkEcL8W9FBR7k_&wd=&eqid=c020dd8c0011bef10000000260ab496e

https://blog.csdn.net/zhango5/article/details/80901674

https://blog.csdn.net/jiaoyaziyang/article/details/49802993

实例：

.pro

QT       += core gui

greaterThan(QT_MAJOR_VERSION, 4): QT += widgets

CONFIG += c++11

# The following define makes your compiler emit warnings if you use
# any Qt feature that has been marked deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS

# You can also make your code fail to compile if it uses deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0

SOURCES += 
    main.cpp 
    mainwindow.cpp

HEADERS += 
    mainwindow.h

FORMS += 
    mainwindow.ui

LIBS += -lUser32

# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target

main.h

#include "mainwindow.h"

#include <QApplication>

int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    w.show();
    return a.exec();
}

mainwindows.h

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>

#include <QWindow>
#include <QPushButton>
#include <QVBoxLayout>

QT_BEGIN_NAMESPACE
namespace Ui { class MainWindow; }
QT_END_NAMESPACE

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow(QWidget *parent = nullptr);
    ~MainWindow();

private:
    Ui::MainWindow *ui;

    QWidget *m_pWidget;
};
#endif // MAINWINDOW_H

mainwindows.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"

#include <Windows.h>

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    LPCWSTR className = TEXT("Qt5QWindowIcon");// Qt5QWindowIcon // Notepad++
    HWND hwnd = FindWindow(className, NULL);
    // WId wid = (WId)FindWindow(L"CalcFrame",NULL);
    QWindow *calcWin = QWindow::fromWinId((WId)hwnd);
    // calcWin->setFlags(m_window->flags() | Qt::CustomizeWindowHint | Qt::WindowTitleHint);

    QWidget *owidget = new QWidget(this);
    owidget->setGeometry(100, 100, this->width(), this->height());
    QWidget *calcWidget = QWidget::createWindowContainer(calcWin, owidget, Qt::FramelessWindowHint);
    calcWidget->setMinimumSize(600,500);
}

MainWindow::~MainWindow()
{
    delete ui;
}