CustomTree.py 文件源码

def OnEraseBackground(self, event):
        dc = event.GetDC()

        if not dc:
            dc = wx.ClientDC(self)
            rect = self.GetUpdateRegion().GetBox()
            dc.SetClippingRect(rect)

        dc.Clear()

        bitmap_rect = self.GetBitmapRect()
        dc.DrawBitmap(self.BackgroundBitmap, bitmap_rect.x, bitmap_rect.y)