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How to Get Control Id Of Widget In Tkinter?

2 minutes read

In Tkinter, you can get the control id of a widget by using the winfo_id() method. This method returns a unique identifier for the widget, which can be used to reference it in your code. Simply call winfo_id() on the widget object to get the control id, and store it in a variable if needed for further manipulation or interaction with the widget.


How to retrieve the control id of a specific widget in tkinter?

You can retrieve the control id of a specific widget in Tkinter by using the winfo_id() method. This method returns a unique identifier for the widget. Here is an example of how to retrieve the control id of a specific widget:

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import tkinter as tk

root = tk.Tk()

button = tk.Button(root, text="Click Me")
button.pack()

control_id = button.winfo_id()
print("Control ID of the button:", control_id)

root.mainloop()


In this example, we create a Button widget and then use the winfo_id() method to retrieve its control id. The control id is then printed to the console.


How to validate the control id of a widget in tkinter?

To validate the control ID of a widget in tkinter, you can use the winfo_id() method. This method returns the unique identifier assigned to a widget by the operating system. You can use this identifier to validate the control ID of the widget. Here's an example of how to validate the control ID of a widget in tkinter:

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import tkinter as tk

root = tk.Tk()
label = tk.Label(root, text="Hello, World!")
label.pack()

# Get the control ID of the widget
control_id = label.winfo_id()

# Validate the control ID
if control_id is not None:
    print("Control ID is valid:", control_id)
else:
    print("Control ID is invalid")

root.mainloop()


This code creates a label widget and retrieves its control ID using the winfo_id() method. It then checks if the control ID is valid and prints a message accordingly.


How to access the control id of a widget within a loop in tkinter?

To access the control id of a widget within a loop in Tkinter, you can use the winfo_id() method to get the control id of the widget. Here is an example code snippet demonstrating how to access the control id of a button widget within a loop:

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import tkinter as tk

root = tk.Tk()

for i in range(5):
    button = tk.Button(root, text=f"Button {i}")
    button.pack()
    
    # Access the control id of the button widget
    control_id = button.winfo_id()
    print(f"Control id of Button {i}: {control_id}")

root.mainloop()


In this code snippet, a loop is used to create 5 button widgets and pack them into the root window. The winfo_id() method is then used to access the control id of each button widget, which is printed to the console.

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