Why don't the scrollbar tkinter activation?-CodePudding

I want to make a frame with a scrollbar, on the Internet to find a few programs changed once, why use the called function button to activate the scroll bar, but the default load calls the function is unable to load, I confirm the default load was transferred to the function, but the scroll bar is not show, have card for two days, a great god gives directions

 

The from tkinter import * 

The class ScrollbarFrame () : 
Def __init__ (self, master) : 

Myframe=Frame (master, relief=GROOVE, bd=1, bg='# 99 FFFF) 
Myframe. The grid (row=0, the column=0) 

Self. Canvas=canvas (myframe, bg='# 88 ff1f') 
# self. Canvas. Pack (side="left") 

Self. Myscrollbar=Scrollbar (myframe, received a="vertical", the command=self. Canvas. Yview) 
Self. Myscrollbar. Pack (side="right", the fill="y") 


Self. Frame=frame (self. Canvas, bg='# 6 f060f) 
Self. Canvas. Create_window (window=(0, 0), the self. The frame and anchor='nw') 

# self. Canvas. Config (width=300, height=300) 
Self. Canvas. Config (yscrollcommand=self. Myscrollbar. Set) 
Self. Canvas. Pack (side="left", expand=True, the fill=BOTH) 

The self. The data () 

Self. Bt=Button (myframe, text="activate scroll", the command=self. Myfunction) 
Self. Bt. Pack () 

Self. Canvas. Bind (" & lt; Configure>" , the self. Myfunction ()) 

Def data (self) : 
For I in range (50) : 
Label (self) frame, the text=I). The grid (row=I, the column=0) 
Label (self) frame, the text="my text" + STR (I)). The grid (row=I, the column=1) 
The Label (self) frame, the text="... "). The grid (row=I, the column=2) 
Def myfunction (self) : 
Self. Canvas. The configure (scrollregion=self. Canvas. Bbox (" all "),) 
Print (6666) 
Self. Canvas. The configure (width=500, height=500) 
Self. Canvas. Config (yscrollcommand=self. Myscrollbar. Set) 


Root=Tk () 
App=ScrollbarFrame (root) 

Root. Mainloop ()