pc._colorTo = LightColour(wx.SystemSettings_GetColour(wx.SYS_COLOUR_3DFACE), 0)
pc._colorFrom = LightColour(wx.SystemSettings_GetColour(wx.SYS_COLOUR_3DFACE), 60)
pc._colorTo = LightColour(wx.SystemSettings_GetColour(wx.SYS_COLOUR_3DFACE), 0)
pc._colorFrom = LightColour(wx.SystemSettings_GetColour(wx.SYS_COLOUR_3DFACE), 60)