class Slider(object): _PosX = 0 _PosY = 0 _Width = 0 _Height = 0 _Value = 0 _CanvasHWND = None _Range = [] def __init__(self): self._Range = [0,255] def Init(self): self._Value = 0 def SetValue(self,v): self._Value = int(v) def SetRange(self,m1,m2): if m1 >= m2: return self._Range[0] = m1 self._Range[1] = m2 def SetCanvasHWND(self,cav): self._CanvasHWND = cav def KeyDown(self): pass def Draw(self): pass