close button using connect method over ui file

PictureDialog.cpp

@@ -163,11 +163,6 @@ void PictureDialog::playerNameUpdated()
     }
 }
 
-void PictureDialog::on_cmdClose_clicked()
-{
-    this->close();
-}
-
 void PictureDialog::exportSnapmaticPicture()
 {
     PictureExport::exportPicture(this, smpic);

PictureDialog.h

@@ -42,7 +42,6 @@ public slots:
 private slots:
     void copySnapmaticPicture();
     void exportSnapmaticPicture();
-    void on_cmdClose_clicked();
     void on_labPicture_mouseDoubleClicked();
 
 private:

PictureDialog.ui

@@ -154,5 +154,22 @@
   </customwidget>
  </customwidgets>
  <resources/>
- <connections/>
+ <connections>
+  <connection>
+   <sender>cmdClose</sender>
+   <signal>clicked()</signal>
+   <receiver>PictureDialog</receiver>
+   <slot>close()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>912</x>
+     <y>514</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>479</x>
+     <y>267</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
 </ui>