tkinter学习

#coding=utf-8
import Tkinter
root = Tkinter.Tk()
#root.overrideredirect(True)
root.attributes("-alpha", 0.1)#窗口透明度60 %
root.geometry("300x200+10+10")

#root.attributes("-alpha", 0.3)窗口透明度70 %
canvas = Tkinter.Canvas(root)
canvas.configure(width = 300)
canvas.configure(height = 200)

#canvas.configure(alpha=0)
#canvas.configure(bg = "blue")
canvas.configure(highlightthickness = 0)
canvas.pack()
rect=canvas.create_rectangle(0,0,0+50,0+25,outline='red')
print(canvas.info())
x, y = 0, 0
def move(event):
    global x,y
    new_x = (event.x-x)+root.winfo_x()
    new_y = (event.y-y)+root.winfo_y()
    s = "300x200+" + str(new_x)+"+" + str(new_y)
    #root.geometry(s)
    #print(root.winfo_x(),root.winfo_y())
    canvas.move(rect, event.x - x, event.y - y)
    x, y = event.x, event.y
def button_1(event):
    global x,y
    x,y = event.x,event.y
    print("event.lx, event.ly = ",event.x,event.y)
canvas.bind("<B1-Motion>",move)
canvas.bind("<Button-1>",button_1)
root.mainloop()