在下面的代码中,我只是尝试以一种形式尝试各种不同的小部件。如何使滚动条与列表框一起显示?我见过的所有示例都显示了只有列表框和滚动条的包装几何。
import tkinter as tk
def Addn(): #command function for button
a = int(Entrya.get())
b = int(Entryb.get())
c = a+b
Entrys.configure(state='normal')
sumv.set("")
Entrys.insert(2,c)
Entrys.configure(state='readonly')
form = tk.Tk()
form.title("Comprehensive Standard Form")
form.geometry('750x500')
sumv=tk.StringVar()
btnAddn = tk.Button(form, text="Add",command=Addn)
Labela = tk.Label(form, text="A:")
Labelb = tk.Label(form, text="B:")
Labels = tk.Label(form, text="Sum:")
Entrya = tk.Entry(form)
Entryb = tk.Entry(form)
Entrys = tk.Entry(form,width=30,textvariable=sumv)
Entrys.configure(state='readonly')
#scrollbar
scrollbar=tk.Scrollbar(form)
mylist = tk.Listbox(form, yscrollcommand = scrollbar.set )
for line in range(100):
mylist.insert("end", "This is line number " + str(line))
mylist.grid(row=7,column=1,rowspan=3)
scrollbar.config( command = mylist.yview )
#Placement in form
Labela.grid(row=0, column=0, padx=25, pady=25)
Entrya.grid(row=0, column=1, padx=25, pady=25)
Labelb.grid(row=1, column=0, padx=25, pady=25)
Entryb.grid(row=1, column=1, padx=25, pady=25)
Labels.grid(row=2, column=0, padx=25, pady=25)
Entrys.grid(row=2, column=1, padx=25, pady=25)
form.mainloop()
您只需要使用.grid
将滚动条添加到表单,就像在列表框上使用.grid
一样。使用sticky
中的.grid
参数可以帮助您将列表框与滚动条对齐。