fix gui artifacts on Windows

Mimoja · Jan 16, 2020 · 70ecb63 · 70ecb63
1 parent ea6844c
commit 70ecb63
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sandboxes/opencsg/main.cpp b/sandboxes/opencsg/main.cpp
@@ -445,7 +445,7 @@ void MyFrame::activate_canvas_display()
 
     m_canvas->Bind(wxEVT_PAINT, [this](wxPaintEvent &) {
         // This is required even though dc is not used otherwise.
-        wxPaintDC dc(this);
+        wxPaintDC dc(m_canvas.get());
         const wxSize csize = m_canvas->GetClientSize();
         m_canvas->get_display()->set_screen_size(csize.x, csize.y);
         m_canvas->get_display()->repaint();