问如何在tkinter中滚动所需的treeview列

EN

   class MainWindow(tk.Tk):
    def __init__(self,*args,**kwargs):
     tk.Tk.__init__(self,*args,**kwargs)

    #Creating Geometry Of the window
    #self.geometry("500x500+0+0")
    self.title("Test Software")

    #Creating Labels

    self.agreement_number_label = tk.Label(text="Agreement Number")
    self.area_office_label = tk.Label(text="Area office")
    self.branch_label = tk.Label(text="Branch")
    self.customer_name_label = tk.Label(text="Customer Name")
    self.model_label = tk.Label(text="Model")
    self.registered_number_label = tk.Label(text="Registered Number")
    self.engine_number_label = tk.Label(text="Engine Number")
    self.chasis_number_label = tk.Label(text="Chasis Number")
    self.make_label = tk.Label(text="Make")

    #creating entry fields variables

    self.agreement_number = tk.StringVar()
    self.area_office = tk.StringVar()
    self.branch = tk.StringVar()
    self.customer_name = tk.StringVar()
    self.model = tk.StringVar()
    self.registered_number = tk.StringVar()
    self.engine_number = tk.StringVar()
    self.chasis_number = tk.StringVar()
    self.make = tk.StringVar()

    #creating Entry Fields

    self.agreement_number_entry = tk.Entry(textvariable = self.agreement_number)
    self.area_office_entry = tk.Entry(textvariable = self.area_office)
    self.branch_entry = tk.Entry(textvariable = self.branch)
    self.customer_name_entry = tk.Entry(textvariable = self.customer_name)
    self.model_entry = tk.Entry(textvariable = self.model)
    self.registered_number_entry = tk.Entry(textvariable = self.registered_number)
    self.engine_number_entry = tk.Entry(textvariable = self.engine_number)
    self.chasis_number_entry = tk.Entry(textvariable = self.chasis_number)
    self.make_entry = tk.Entry(textvariable = self.make)

    #Adding Labels and Entry Fields to the grid
    #1st Row Fields
    self.agreement_number_label.grid(row=0,column=0,pady=(25,0),sticky="w",padx=(20,0))
    self.agreement_number_entry.grid(row=0,column=1,pady=(25,0),sticky="w")
    self.area_office_label.grid(row=0,column=2,pady=(25,0),sticky="w")
    self.area_office_entry.grid(row=0,column=3,pady=(25,0),sticky="w")
    self.branch_label.grid(row=0,column=4,pady=(25,0),sticky="w")
    self.branch_entry.grid(row=0,column=5,pady=(25,0),sticky="w",padx=(0,20))
    #2nd row fields
    self.customer_name_label.grid(row=1,column=0,sticky="w",padx=(20,0))
    self.customer_name_entry.grid(row=1,column=1,sticky="w")
    self.model_label.grid(row=1,column=2,sticky="w")
    self.model_entry.grid(row=1,column=3,sticky="w")
    self.registered_number_label.grid(row=1,column=4,sticky="w")
    self.registered_number_entry.grid(row=1,column=5,sticky="w",padx=(0,20))
    #3rd Row Fields
    self.chasis_number_label.grid(row=2,column=0,sticky="w",padx=(20,0))
    self.chasis_number_entry.grid(row=2,column=1,sticky="w")
    self.engine_number_label.grid(row=2,column=2,sticky="w")
    self.engine_number_entry.grid(row=2,column=3,sticky="w")
    self.make_label.grid(row=2,column=4,sticky="w")
    self.make_entry.grid(row=2,column=5,sticky="w",padx=(0,20))

    #Creating a search button
    self.search_button = tk.Button(text = "Search Record",width=25)

    #Adding the Search Button into the grid
    self.search_button.grid(row=3,column=0,columnspan=6,pady=10)

    #Adding a Seperator to the grid
    ttk.Separator(orient="horizontal").grid(row=4,columnspan=6,sticky="ew")


    #Creating A Treeview
    self.treeview = ttk.Treeview(height=6)
    self.treeview['columns'] = ("One","Two","Three")
    self.treeview.column('#0',width=100)
    self.treeview.heading("#0", text="Testing")
    self.treeview.heading("One", text="Column A")
    self.treeview.heading("Two", text="Column B")
    self.treeview.heading("Three", text="Column C")
    self.treeview.grid(row=5,rowspan=5,column=0,columnspan=4,pady=(10,0))

    #Adding Default Data to The Treeview
    for i in range(10):
        self.treeview.insert("" , "end",    text="Line "+str(i), values=("1A","1b"))

    #Creating a treeview scrollbar
    self.vertical_scrollbar = tk.Scrollbar(orient='vertical')
    self.horizontal_scrollbar = tk.Scrollbar(orient='horizontal')

    #adding scrollbars to the grid
    self.vertical_scrollbar.grid(row=5,column=4,rowspan=6)
    self.horizontal_scrollbar.grid(row=10,column=0,columnspan=4)

    #configuring scrolls to treeview
    self.horizontal_scrollbar.configure(command=self.treeview.xview)
    self.vertical_scrollbar.configure(command=self.treeview.yview)

    #configuring treeview to Scrollbar
    self.treeview.configure(yscrollcommand=self.vertical_scrollbar.set)
    self.treeview.configure(xscrollcommand=self.horizontal_scrollbar.set)

    #Creating buttons
    self.view_all_record_btn = tk.Button(text="View All Records",width=15)
    self.add_record_btn = tk.Button(text="Add Record",width=15)
    self.edit_record_btn = tk.Button(text="Edit Record",width=15)
    self.delete_record_btn = tk.Button(text="Delete Record",width=15)
    self.upload_file_btn = tk.Button(text="Upload File",width=15)

    #Adding Buttons to the Grid
    self.view_all_record_btn.grid(row=5,column=5,pady=(10,0))
    self.add_record_btn.grid(row=6,column=5)
    self.edit_record_btn.grid(row=7,column=5)
    self.delete_record_btn.grid(row=8,column=5)
    self.upload_file_btn.grid(row=9,column=5,pady=(0,20))

    root = MainWindow()
    root.mainloop()