Displaying image in Tkinter Treeview using insert()

We can show image in only first coloumn #0.
To match the image height we have to modify the style by adding rowheight.

style = ttk.Style()  
style.configure('Treeview', rowheight=100)  # increase height

We are creating 3 image objects by using PNG images. Here image paths are to be changed as per your local system.

img1 = tk.PhotoImage(file = "E:\\testing\\blob\\photos\\1.png")  # Path to 1 image  
img2 = tk.PhotoImage(file = "E:\\testing\\blob\\photos\\2.png")  
img3 = tk.PhotoImage(file = "E:\\testing\\blob\\photos\\3.png")

from tkinter import ttk
import tkinter as tk
# Creating tkinter my_w
my_w = tk.Tk()
my_w.geometry("380x380") 
my_w.title("www.plus2net.com")  
# Using treeview widget style 
style = ttk.Style()
style.configure('Treeview', rowheight=100)  # increase height 

trv = ttk.Treeview(my_w, selectmode ='browse',height=3)  
trv.grid(row=1,column=1,rowspan=5,padx=30,pady=20)
# number of columns
trv["columns"] = ("1")
# Defining heading
trv['show'] = 'tree headings'
#trv['show'] = 'tree'

trv.column("#0", width = 150, anchor ='center') # Width of column
trv.column("1", width = 130, anchor ='center')
# Headings  
# respective columns
trv.heading("#0", text ="#") # Text of the column 
trv.heading("1", text ="Name")

img1=tk.PhotoImage(file = "E:\\testing\\blob\\photos\\1.png")  # Path to 1 image 
img2=tk.PhotoImage(file = "E:\\testing\\blob\\photos\\2.png") 
img3=tk.PhotoImage(file = "E:\\testing\\blob\\photos\\3.png") 

trv.insert("",'end',iid='1',open=True,text='1',image=img1,values=('na-Alex'))
trv.insert("",'end',iid=2,open=True,text='2',image=img2,values=('n1-Alex'))
trv.insert("",'end',iid='3',open=True,text='3',image=img3,values =('Child-Alex'))

my_w.mainloop()

Using JPG images

We have to use PIL library

from PIL import Image, ImageTk

We are replacing the first row image with the JPG image. ( All other lines remain same ).

img1 = ImageTk.PhotoImage(Image.open("E:\\testing\\blob\\photos\\1.jpg"))

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Adding Image to Treeview

Using JPG images

Subhendu Mohapatra