diff --git a/SoftwareDesign/Code/2-2-5_enhanced/mainwindow.ui b/SoftwareDesign/Code/2-2-5_enhanced/mainwindow.ui
index 8c05681..e34d7d4 100644
--- a/SoftwareDesign/Code/2-2-5_enhanced/mainwindow.ui
+++ b/SoftwareDesign/Code/2-2-5_enhanced/mainwindow.ui
@@ -60,7 +60,7 @@
-
- Clear
+ Back
diff --git a/SoftwareDesign/Code/2-3-3/mainwindow.ui b/SoftwareDesign/Code/2-3-3/mainwindow.ui
index 293f439..a4e445d 100644
--- a/SoftwareDesign/Code/2-3-3/mainwindow.ui
+++ b/SoftwareDesign/Code/2-3-3/mainwindow.ui
@@ -11,7 +11,7 @@
- MainWindow
+ 4490
diff --git a/SoftwareDesign/Code/2-3-4/2-3-4.pro b/SoftwareDesign/Code/2-3-4/2-3-4.pro
new file mode 100644
index 0000000..b915c09
--- /dev/null
+++ b/SoftwareDesign/Code/2-3-4/2-3-4.pro
@@ -0,0 +1,24 @@
+QT += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+CONFIG += c++17
+
+# You can make your code fail to compile if it uses deprecated APIs.
+# In order to do so, uncomment the following line.
+#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
+
+# Default rules for deployment.
+qnx: target.path = /tmp/$${TARGET}/bin
+else: unix:!android: target.path = /opt/$${TARGET}/bin
+!isEmpty(target.path): INSTALLS += target
diff --git a/SoftwareDesign/Code/2-3-4/main.cpp b/SoftwareDesign/Code/2-3-4/main.cpp
new file mode 100644
index 0000000..fd3e533
--- /dev/null
+++ b/SoftwareDesign/Code/2-3-4/main.cpp
@@ -0,0 +1,11 @@
+#include "mainwindow.h"
+
+#include
+
+int main(int argc, char *argv[])
+{
+ QApplication a(argc, argv);
+ MainWindow w;
+ w.show();
+ return a.exec();
+}
diff --git a/SoftwareDesign/Code/2-3-4/mainwindow.cpp b/SoftwareDesign/Code/2-3-4/mainwindow.cpp
new file mode 100644
index 0000000..41a26bd
--- /dev/null
+++ b/SoftwareDesign/Code/2-3-4/mainwindow.cpp
@@ -0,0 +1,15 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+
+MainWindow::MainWindow(QWidget *parent)
+ : QMainWindow(parent)
+ , ui(new Ui::MainWindow)
+{
+ ui->setupUi(this);
+}
+
+MainWindow::~MainWindow()
+{
+ delete ui;
+}
+
diff --git a/SoftwareDesign/Code/2-3-4/mainwindow.h b/SoftwareDesign/Code/2-3-4/mainwindow.h
new file mode 100644
index 0000000..f904d83
--- /dev/null
+++ b/SoftwareDesign/Code/2-3-4/mainwindow.h
@@ -0,0 +1,27 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include
+#include
+#include
+
+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;
+
+protected:
+ void mouseEvent(QMouseEvent *e);
+};
+#endif // MAINWINDOW_H
diff --git a/SoftwareDesign/Code/2-3-4/mainwindow.ui b/SoftwareDesign/Code/2-3-4/mainwindow.ui
new file mode 100644
index 0000000..ac966a0
--- /dev/null
+++ b/SoftwareDesign/Code/2-3-4/mainwindow.ui
@@ -0,0 +1,58 @@
+
+
+ MainWindow
+
+
+
+ 0
+ 0
+ 800
+ 600
+
+
+
+ 4490
+
+
+
+
+
+ 110
+ 160
+ 77
+ 25
+
+
+
+ TextLabel
+
+
+
+
+
+ 330
+ 160
+ 77
+ 25
+
+
+
+ TextLabel
+
+
+
+
+
+
+
+
+