+ // Although TRUE is returned if no matching formats are found (see
+ // http://www.opengl.org/registry/specs/ARB/wgl_pixel_format.txt), pf is
+ // not initialized in this case so we need to check for numFormats being
+ // not 0 explicitly (however this is not an error so don't call
+ // wxLogLastError() here).
+ if ( !numFormats )
+ pf = 0;
+