diff --git a/.gitignore b/.gitignore
index 8612113f..2e87edd7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,6 +27,7 @@ examples/mdoutliner/mdoutliner6
 examples/windowsmanifest/windowsmanifest
 examples/uidesigner/uidesigner
 examples/trivialwizard6/trivialwizard6
+examples/subclass/subclass
 examples/libraries/extras-scintillaedit/extras-scintillaedit
 examples/libraries/qt-multimedia/qt-multimedia
 examples/libraries/qt-network/qt-network
diff --git a/examples/subclass/main.go b/examples/subclass/main.go
new file mode 100644
index 00000000..79f25200
--- /dev/null
+++ b/examples/subclass/main.go
@@ -0,0 +1,37 @@
+package main
+
+import (
+	"os"
+
+	"github.com/mappu/miqt/qt"
+)
+
+func main() {
+
+	qt.NewQApplication(os.Args)
+
+	widget := qt.NewQWidget2()
+	widget.SetFixedWidth(320)
+	widget.SetFixedHeight(240)
+
+	widget.OnPaintEvent(func(ev *qt.QPaintEvent) {
+		panic("xyz")
+
+		ptr := qt.NewQPainter2(widget.QPaintDevice)
+		defer ptr.Delete()
+
+		br := qt.NewQBrush12(qt.Black, qt.SolidPattern)
+		defer br.Delete()
+
+		ptr.SetBrush(br)
+
+		ptr.DrawRect2(80, 60, 160, 120)
+		ptr.End()
+	})
+
+	widget.Show()
+	widget.Repaint()
+	widget.Update()
+
+	qt.QApplication_Exec()
+}