How to change button color with tkinter

Question

I keep getting the following error  AttributeError   NoneType  object has no attribute  configure     create color button self button   Button self                       text    Click Me                        command   self color change                       bg    blue                        grid row   2  column   2  sticky   W   def color change self          Changes the button s color         self button configure bg    red

User · Answer

Another way to change color of a button if you want to do multiple operations along with color change. Using the Tk().after method and binding a change method allows you to change color and do other operations.

Label.destroy is another example of the after method.

    def export_win():
        //Some Operation
        orig_color = export_finding_graph.cget("background")
        export_finding_graph.configure(background = "green")

        tt = "Exported"
        label = Label(tab1_closed_observations, text=tt, font=("Helvetica", 12))
        label.grid(row=0,column=0,padx=10,pady=5,columnspan=3)

        def change(orig_color):
            export_finding_graph.configure(background = orig_color)

        tab1_closed_observations.after(1000, lambda: change(orig_color))
        tab1_closed_observations.after(500, label.destroy)


    export_finding_graph = Button(tab1_closed_observations, text='Export', command=export_win)
    export_finding_graph.grid(row=6,column=4,padx=70,pady=20,sticky='we',columnspan=3)

You can also revert to the original color.

User · Answer

When you do self button   Button      grid       what gets assigned to self button is the result of the grid   command  not a reference to the Button object created   You need to assign your self button variable before packing griding it  It should look something like this   self button   Button self text  Click Me  command self color change bg  blue   self button grid row   2  column   2  sticky   W

[python] How to change button color with tkinter

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