A couple demo tweaks

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15244 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/demo/wxDragImage.py

@@ -64,18 +64,19 @@ class DragCanvas(wxScrolledWindow):
 
         # Make a shape from some text
         text = "Some Text"
+        bg_colour = wxColour(57, 115, 57)  # matches the bg image
         font = wxFont(15, wxROMAN, wxNORMAL, wxBOLD)
         textExtent = self.GetFullTextExtent(text, font)
         bmp = wxEmptyBitmap(textExtent[0], textExtent[1])
         dc = wxMemoryDC()
         dc.SelectObject(bmp)
+        dc.SetBackground(wxBrush(bg_colour, wxSOLID))
         dc.Clear()
         dc.SetTextForeground(wxRED)
         dc.SetFont(font)
         dc.DrawText(text, 0, 0)
         dc.SelectObject(wxNullBitmap)
-        del dc
-        mask = wxMaskColour(bmp, wxWHITE)
+        mask = wxMaskColour(bmp, bg_colour)
         bmp.SetMask(mask)
         shape = DragShape(bmp)
         shape.pos = wxPoint(5, 100)

wxPython/demo/wxFileHistory.py

@@ -59,10 +59,10 @@ class TestPanel(wxPanel):
         EVT_RIGHT_UP(self, self.OnRightClick)
         EVT_MENU(self, wxID_OPEN, self.OnFileOpenDialog)
         EVT_MENU_RANGE(self, wxID_FILE1, wxID_FILE9, self.OnFileHistory)
+        EVT_WINDOW_DESTROY(self, self.Cleanup)
 
 
-
-    def __del__(self):
+    def Cleanup(self, *args):
         del self.filehistory
         self.menu.Destroy()