应该在mousemove 或mousedown事件里做吧,可以利用x,y的坐标值,来判断在什么位置画了框,以便移动mschart的位置。
Private Sub MSChart1_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
End Sub
或
Private Sub MSChart1_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)