The Canvas widget has many use-cases in GUI application development. We can use a Canvas widget to draw shapes, creating graphics, images, and many other things. To draw a line in Canvas, we can use create_line(x,y,x1,y1, **options) method. In Tkinter, we can draw two types of lines − simple and dashed.
If you want your application to delete the created lines, then you can use the delete() method.
Let us have a look at the example where we will delete the line defined in the Canvas widget.
# Import the required libraries from tkinter import * # Create an instance of tkinter frame or window win=Tk() # Set the size of the tkinter window win.geometry("700x350") # Define a function to delete the shape def on_click(): canvas.delete(line) # Create a canvas widget canvas=Canvas(win, width=500, height=300) canvas.pack() # Add a line in canvas widget line=canvas.create_line(100,200,200,35, fill="red", width=10) # Create a button to delete the button Button(win, text="Delete Shape", command=on_click).pack() win.mainloop()
If we run the above code, it will display a window with a button and a shape in the canvas.
Now, click the "Delete Shape" button to delete the displayed line from the canvas.