Treeview - How to lock columns

[taratata2020]

Hi every one,

i read this documentation for lock the resizable column and headers too
but not work.

here is my code

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# coding:utf-8 #version 3.x python # DOC --> https://www.tcl.tk/man/tcl8.5/TkCmd/ttk_treeview.htm#M17   from tkinter import * from tkinter.ttk import * import sqlite3   # Connexion DB con = sqlite3.connect("HE.db") cur = con.cursor() cur.execute("SELECT id, HE_Nom, HE_Prop, HE_Dosage FROM HE ORDER BY HE_Nom ASC") mData = cur.fetchall() print("Nombre d'enregistrement", len(mData))   win = Tk() win.title('Huiles Essentiels') win.geometry("820x559+30+30")   # Frame frm = Frame(win) frm.place(x=10, y=10, width=600, height=150)   # Treeview & Y Scrollbar Vertical & X Scrollbar Vertical scrollbar_y = Scrollbar(frm) scrollbar_y.place(x=580, y=2, height=149)   tv=Treeview(frm, selectmode="browse", columns=(1,2,3), show="headings", height="5", yscrollcommand=scrollbar_y.set)     # En-tête tv.heading(1, text="HE", anchor=W) tv.heading(2, text="Description", anchor=W) tv.heading(3, text="Dosage", anchor=W)   tv.column('#1', width=150, minwidth=150, stretch=False) tv.column('#2', width=350, minwidth=350, stretch=False) tv.column('#3', width=50, minwidth=50, stretch=False) tv.place(x=2, y=2, width=578, height=180) # tv.columnconfigure(1, pad=10) # tv.columnconfigure(2, weight=0) # tv.columnconfigure(3, weight=0)   scrollbar_y.config(command=tv.yview)       # Affichage a = 0 for i in mData:     tv.insert('', 'end', text=i[0], values=(i[1],i[2],i[3]))     print("Index", i[0])     a = a + 1 print("Nombre d'enregistrement", a)     win.mainloop()

thank you in advance for your time