8/15/2023 0 Comments Tkinter winfo exists![]() ![]() If you click the button "Check", it will print whether the label widget exists or not. It returns a Boolean value where True (1) specifies that the widget exists in the application, and False (0) specifies that the widget doesn't exist in the application. The method can be invoked with the particular widget we want to check. In the application, we can check if the label widget is present or not. If we want to check if a widget exists or not, then we can use the winfoexists () method. Running the above code will display a window with a button and a label widget. The second time this procedure is called, there will be an error message box pop up. cursor cursor that appears on the widget which can be an arrow, a dot etc. ) Optional parameters root root window (optional) bg background colour fg foreground colour bd border height height of the widget. # We will define a button to check if a widget exists or notīutton = ttk.Button(win, text="Check", command=check_widget)īace(relx=.5, rely=.5, anchor=CENTER) Hi, Tcl/Tk masters: If I have a procedure which will generate a widget. Syntax: toplevel Toplevel (root, bg, fg, bd, height, width, font. x and y are pixel coordinates relative to the widget. Widget identify (x, y) Returns the name of the element at position x y, or the empty string if the point does not lie within any element. Label = Label(win, text="Hey There! Howdy?", font=('Helvetica 18 bold')) Besides the methods described below, the ttk.Widget supports the methods () and (). # Define a function to check if a widget exists or not It returns a Boolean value where True(1) specifies that the widget exists in the application, and False(0) specifies that the widget doesn't exist in the application. ![]() If we want to check if a widget exists or not, then we can use the winfo_exists() method. To make a particular Tkinter application fully functional and operational, we can use as many widgets as we want. ![]()
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