Questions tagged as 'gui'

Tagged questions
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How can I avoid repeating the same buttons?

I am developing an application with Python, using the graphic library tkinter . Question I created a button with tkinter and I link it to a function that unfolds 3 more buttons If I press the same button again, there are 3 buttons and t...
asked by 29.08.2016 / 09:33
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Android: Activity with rounded edges

I am trying to make my main activity, which handles fragments, have rounded edges, a clear example is this image How could I do that? I was trying with this that I found on the same page LINK . <?xml version="1.0" encoding="utf-8"...
asked by 16.08.2018 / 21:53
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How to change the background color of several buttons at once in windows forms?

The thing is like this: I have two forms, Form1 and Form2 . Form1 is the main one and has 20 buttons which each represents a different table of my restaurant. Clicking on any of them opens a Form2 in which you can r...
asked by 28.05.2018 / 03:05
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JAVA: Error: the main class Confirming2_App was not found or loaded

I have made a java GUI application with Swing and Netbeans. I can run it without problems from Netbeans or from console inside the directory of the application, nevertheless when taking the .jar to another directory (for example the desktop) I g...
asked by 30.05.2017 / 16:23
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Xamarin- No buttons or text shown

I just downloaded Xamarin for Visual Studio for the first time, connect my Inco tablet. Create a project Blank App (android) and in the main.axml drag a button and a text, but when you run the application on my tablet you could only see the name...
asked by 18.11.2016 / 07:44
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AttributeError: 'NoneType' object has no attribute 'destroy'

Good friends, I have the following problem:    AttributeError: 'NoneType' object has no attribute 'destroy' To avoid placing all the code, I will recreate the error in a shorter way: import tkinter as tk ventana = tk.Frame().pack() str_...
asked by 02.09.2016 / 03:34
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How can I insert data from SQLite to my DataGridView? WindowsForms

I have the next code that is executed each time the ADD ITEM button is clicked and that creates a new row with the data entered in the textBox above in the DataGridView below. // AGREGA UN PRODUCTO private void btnAgregarItem_Cli...
asked by 18.06.2018 / 00:10
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Help with QT designer and PyQt5 with the uic module

I have a problem trying to develop a GUI with PyQt5 and QT desginer. I want to use the uic module, I have a .ui file called registro.ui , and another login.ui , how can I call from login.ui to window registro.ui...
asked by 20.04.2017 / 06:57
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Send several "entry" fields in a signal_callback

I am working on a project in gtk, in conjunction with C to create a simple login interface. In the first part of the login I only validate the fields and print them in the console, this way of sending more than one ENTRY in a callback I did i...
asked by 06.03.2018 / 22:56
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How to apply a destroy () to a Top Level window?

I want to make my top level window close when I press the "Close" button that is located inside the top level itself. Could you tell me what's wrong? My code is as follows: def win2 (): t1 = Toplevel(bg="Brown") t1.title("Modificar Dat...
asked by 19.01.2018 / 23:09