Кнопка Обновить версию в Настройках

GUIdataBaseLMS/mainwindow.ui

@@ -13,6 +13,10 @@
   <property name="windowTitle">
    <string>Learning management system (LMS)</string>
   </property>
+  <property name="windowIcon">
+   <iconset resource="testDBpgSQL.qrc">
+    <normaloff>:/resources/lms.png</normaloff>:/resources/lms.png</iconset>
+  </property>
   <widget class="QWidget" name="centralwidget">
    <layout class="QGridLayout" name="gridLayout">
     <item row="1" column="1">
@@ -36,6 +40,8 @@
   </widget>
   <widget class="QStatusBar" name="statusbar"/>
  </widget>
- <resources/>
+ <resources>
+  <include location="testDBpgSQL.qrc"/>
+ </resources>
  <connections/>
 </ui>

GUIdataBaseLMS/testDBpgSQL.qrc

@@ -1,3 +1,5 @@
 <RCC>
-    <qresource prefix="/"/>
+    <qresource prefix="/">
+        <file>resources/lms.png</file>
+    </qresource>
 </RCC>