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-rw-r--r--gr-wxgui/src/python/plotter/plotter_base.py2
1 files changed, 2 insertions, 0 deletions
diff --git a/gr-wxgui/src/python/plotter/plotter_base.py b/gr-wxgui/src/python/plotter/plotter_base.py
index 25811f09b..b8a2ce709 100644
--- a/gr-wxgui/src/python/plotter/plotter_base.py
+++ b/gr-wxgui/src/python/plotter/plotter_base.py
@@ -151,6 +151,8 @@ class plotter_base(wx.glcanvas.GLCanvas, common.mutex):
Resize the view port if the width or height changed.
Redraw the screen, calling the draw functions.
"""
+ # create device context (needed on Windows, noop on X)
+ dc = wx.PaintDC(self)
self.lock()
self.SetCurrent()