Tkinter Combobox Disable Entry

즉, Python을 설치하면 바로 사용가능한 GUI 라이브러리이며, Tkinter는 Tk(Toolkit) interface의 약어이다. The following are code examples for showing how to use tkinter. Select the Options tab (Figure 2). This is not the case with drop down lists. To delete the old control (and its label) click on each one while holding down the Shift key. Tkinter is Python's de-facto standard GUI (Graphical User Interface) package. Note that the name of the module in Python 2. ComboBox Private animals() As String ' This method initializes the owner-drawn combo box. If you want to display multiple lines of text that can be edited, then you should use the Text widget. Like a SELECT combo-box, you provide a list of values. Add a combobox widget. This is our sixth video in Tkinter gui application development with python3 in this video we are going to cover tkinter combobox and also we are going to add some functionality to our application. You could use a Text widget instead and set its state to disabled to prevent the user from editing its content. This video shows how to use Entry Widget, ComboBox widget, Tkinter Image. Při jeho výrobě použijeme udělátek Frame, Listbox a Entry. Tk和Tkinter可以在大多数的Unix平台下使用,同样可以应用在Windows和Macintosh系统里. What is Tkinter. NET MVC ComboBox control. Новостная лента. Right hand on form and click on Design View. Q==n(y {@E1 ADD16rr set_gdbarch_frame_red_zone_size (D9d$X Previewgammablue: -p:pid [email protected] To create a tkinter: Importing the module - tkinter. When applying the function to a tkinter Toplevel window, the listbox. [Tkinter-discuss] bwidget combobox with images - need help [Tkinter-discuss] The default renderer renders the component just as it would have if the custom tag or renderer were not used. you can add list of text in IDE. Radio buttons can contain text or images. set_wrap_width(). j'en viens à vous car, débutant avec tkinter, je galère pas mal. When you rotate the mouse wheel up and down, the browse scrolls vertically up and down. The RadComboBox client API allows for complete control over the client object, giving the developer the opportunity to set the behavior of the control depending on the scenario. I've found why it's such a pain in the @ss to create one. The last thing to mention is the ComboBox control. Tkinter Tutorial. from mcculw. The Python programming language. ttk widgets use style to define their appearance. The OptionMenu and Combobox widgets The OptionMenu and Combobox widgets are used to give the user the choice of one option from a group, much like a Radiobutton. insert(END, "This is line num. enums import * from mcculw. The Button widget is a standard Tkinter widget used to implement various kinds of buttons. The user can select a choice by either typing in the entry subwidget or selecting from the listbox subwidget. Oh yeah Microsoft still hasn't realized that a comBoBox should have a readonly property. 7, I would like to turn the state of an "Entry" widget to normal/disable thank to a checkbutton. In Python 3, tkinter is still available, but the import names changed. ホーム » Tkinter による GUI プログラミング » Entry - Tkinter のウィジェット Entry - Tkinter のウィジェット Tk 8. ComboBox disable text entry solution If this is your first visit, you may have to register before you can post. Name = “MyComboBox” MyComboBox. A menu bar is normally under the title bar to display the series of menus. Nothing ever pops up. By joining you are opting in to receive e-mail. Tkinter Checkbutton Callback Function Binding Checkbutton widget is used to select the states and it could also bind the call back function to the event when it is selected/deselected, or more straightforward, toggled. This has the direct benefit of using the new widgets which gives a better look and feel across platforms; however, the replacement widgets are not completely compatible. To delete the old control (and its label) click on each one while holding down the Shift key. Sub menu is normally bound to the specific. The default is None. 上記の家紋は綾鷹さんのオリジナルkamonで作成しま した。. int, double, bool). VBA 1: Copy combo box value to active cell through Command Button 1. When you rotate the mouse wheel up and down while holding down the CTRL key, the browse scrolls horizontally left and right. Note that the name of the module in Python 2. Such widgets include: the Listbox widget. Forms - Change drop down field entry back to blank I have created a form with drop down list fields. set ) for line in range(100): mylist. Second, I created a new app that contained only a combobox and a reset button. Welcome to the p2p. If this property is not set, the Empty Item will be shown as the default ToString() value. I am at the end of a build and am putting some minor touches on and testing; one area I suppose I took for granted (and have honestly not seen a need yet to fully deal with) is the Tkinter buttons. In our Submit Button control we are using a formula to control the Visibility property of the button, or it's container which is the footer. Hey everyone, I'm a beginner in python and I am trying to create a very very simple text editor (simplified version of microsoft Word for example). 1 Set check state of a Checkbutton; 7 Add radio buttons widgets. state='disabled' which is where the Combobox cannot be interacted with. 元件定位首先我們來設計姓名輸入的文字框,要讓使用者清楚知道輸入姓名的位置,必須用到兩個元件,就是用 Label 以及 Entry,除此之外,之前的 pack()不能再用了,為了精準定位,我們使用 place() 精確的定出元件的位置: import tkinter as tk. We want to see the results of the user’s selection when it happens, so check the “Commit selected value immediately” option, (Figure 2). int, double, bool). When applying the function to a tkinter Toplevel window, the listbox. The user can adjust the value by pressing the two. This is a listbox User Control with an option for disabled items. selectedvaluechan ged If I don't move focus to an object and let the tabindex order take over. This Combobox UI example shows how you can easily apply an editable text box with flexible auto-searchable functionality of the dropdown list into your web app. The Tkinter framework is traditionally bundled with Python which uses the Tk. The user can select a choice by either typing in the entry subwidget or selecting from the listbox subwidget. So, in your case, the user will type the name of the report (a string), the script behind th. We set the size of the window and the miminum size with the functions minsize() and geometry(). I am especially worried about ease-of-use. Python Forums on Bytes. import tkinter. Tkinter Datepicker (like the jQuery UI Click button 1 on entry: import Tkinter import tkFont import ttk from Tkconstants import CENTER, LEFT, N, E, W, S from. After clicking one of the top level menus, a sub menu will be extended to display more relevant menu items. NET package. This lets them either choose from a set of values you've provided (e. If the key is hit when the dialog has focus, the default button will be invoked. A menubar is one of the most visible parts of the GUI application. If the combo box contains a large number of items, it may be better to display them in a grid rather than a list. constants, so, usually, to use Tkinter all you need is a simple import statement: import tkinter Or, more often: from tkinter import *. Se puede poner texto inicial de color gris dentro de un widget Entry en Tkinter para ayudar al usuario que tipos de datos introducir? Por ejemplo. *はじめに 前回で,PythonのTkinterの基本的な部分は書きました. 今回は,TkinterのCheckbuttonを動的に作成する方法を載せます. *流れ 簡単な考え方の流れ図を. 1. Your preferred programming language:. In this part of the Tkinter tutorial, we will cover some basic Tkinter widgets. tent = Entry(self. A Python function or method can be associated with a button. MegaWidget Description. I am especially worried about ease-of-use. Entry widgets. End user can easily type the value to the grid combobox (like textbox) and combobox displays the full value. hi, I am Tushar Sibal This video deals with how to apply validation in a entry box in tkinter in python by using validate and validatecommand option values ie how to validate entry/textbox in. x에서는 tkinter라고 되어 있어 import 할 때 주의해야 한다. I’m creating a Combobox dynamicly at run time, however, I don’t’ know how to set the default selected value for it!!? Thanks. If Python is not compiled against Tk 8. Open the form in Edit view, go to the form properties, add an On Load VB event, create a script like: Use whatever field would indicate this is a record that shouldn't be edited. ComboBox disable text entry solution If this is your first visit, you may have to register before you can post. Python Tkinter Entry Field with Source Code Introduction Python Tkinter Entry Field widget is a standard Tkinter widget used to enter or display a single line of text. overview of the python mega widgets Pmw is a toolkit for building high-level compound widgets in Python using the Tkinter module. [Python] tkinter Combobox disable typing 2019-04-09 2019-04-09 default combo 是可以輸入的,問題會不是預期的文字內容,而且也無法使用 bind(‘<>’) 去處理使用者輸入的內容。. < 上一页 Python Tkinter Entry和Text Python Tkinter Listbox和Combobox 下一页 > Radiobutton 组件代表单选钮,该组件可以绑定一个方法或函数,当单选钮被选择时,该方法或函数将会被触发。. Tkinter does not have its own calendar widget. However, this prevents the user from selecting with a mouse. Use arrows or Contro+n, Control+p to move selection on listbox. Is it not possible to do this in tkinter, or have I overlooked something?. In any case, it should be a separate issue, with possible a check for anything else that is missing. 5 Add a combobox widget. A window procedure's entry point's address is stored with the individual window (all controls are windows) and can be retrieved or overwritten using GetWindowLongPtr() and SetWindowLongPtr(). fontlab_std = 'Tahoma 12 bold' fontbut_std = 'Tahoma 9' bg_std = 'cornsilk2' hover_std = 'Created. Entry ウィジェットの利用方法を説明します。. This page is for users who are looking to toggle the autocomplete data such as usernames, passwords, web addresses, and search queries, on or off. The Tkinter framework is traditionally bundled with Python which uses the Tk. Frame - Frame is used as containers in the Tkinter. Новостная лента. Tkinter Messagebox causing Entry to disable Tag: python , tkinter , messagebox , entry So I was creating a simple input window with Tkinter but whenever i have a showinfo displaying i can't type in the entry box. So I just discovered Powerapps, I'm trying to do a combo box to look up a job number out of a table in an on-premises SQL server. e = Entry(master, validate = 'all', vcmd = validInt) the validInt function is called, but it isn't passed any parameters. You can use showinfo(), showwarning() or showerror() function of messagebox for different purpose. Steps to Hide the Drop-Down Arrow on a Combo Box To hide the drop-down arrow on a combo box when the combo box is not selected, follow these steps: Start Access. Select the Options tab (Figure 2). Userform: Tab from ComboBox to ComboBox, Enter event macro does not run correctly. In VBE press F2 to display object browser which can be used to display functions, methods, constants. 7 is the current version. Introducir el número 200 o el número 400 Y que. An online discussion community of IT professionals. Optionally, the user may also edit the entry field directly. RadComboBox Object. My view of MS-Access is as shown below (discounting using a MS-Access form) Or. This is similar to your standard combobox on your operating system. (5 replies) I am trying to prevent a user from resizing a frame beyond its "natural" size as given by winfo_reqwidth and winfo_reqheight, without any success. Disable the Entry Widget. Note that you can also create hor. This is the third installment of our multi-part series on developing GUIs in Python using Tkinter. Now that we have our back-end to your Tkinter GUI application, we're ready to use buttons to navigate to new frames and windows. 6m developers to have your questions answered on How to disable items according to a condition in combo box? of UI for ASP. ttk import * combo = Combobox(window). Using them effectively simplifies data entry and accuracy. Treeview" with the following code (see the comments to understand what each line does):. Modern Tkinter for Busy Python Developers: Quickly learn to create great looking user interfaces for Windows, Mac and Linux using Python's standard GUI toolkit (English Edition)posted with カエレバMark Roseman 2012-01-25 Amazonで検索楽天市場で検索Yahooショッピングで検索 目次 目次 はじめに tkinterのバージョン. Tkinter provides a mechanism to let the programmer deal with events. C'est donc + par "dépit" (dépit étant quand même un bien grand mot) que je me suis mis à la création de "ma" Combobox avec tkinter et non sous-classé ttk. On the Developer tab, click Insert. 4 Get input using Entry class (Tkinter textbox) 4. NET AJAX ComboBox. It uses regular expression but you can subclass AutocompleteEntry and override the comparison method. idle is itself a Tkinker-app, so if you call quit() in your app and the TCL interpreter gets terminated, idle will also terminate (or get confused ;)). 2 get_frame_register_bytes %s/lockfile shoptionletters. overview of the python mega widgets Pmw is a toolkit for building high-level compound widgets in Python using the Tkinter module. You can vote up the examples you like or vote down the ones you don't like. *Tek-Tips's functionality depends on members receiving e-mail. The following are code examples for showing how to use tkinter. First, we need to just slightly modify our SeaofBTCapp class. I want to use combobox with grey out items option on excel worksheet. WPF ComboBoxItem disabling. We should also clear our internal value for the last number to be entered - fortunately, our deletion. C'est donc + par "dépit" (dépit étant quand même un bien grand mot) que je me suis mis à la création de "ma" Combobox avec tkinter et non sous-classé ttk. Entry widget allow user to enter information like text or numbers at the run time. Python - Tkinter Radiobutton - This widget implements a multiple-choice button, which is a way to offer many possible selections to the user and lets user choose only one of them. If more lines are required, you should use Tkinter Text widget. Re: Combo Box from Control Toolbox-How to Unhighlight the te I believe you are asking for something that Excel cannot deliver. 序言 本章介绍Tkinter的Entry控件,本文是Python GUI系列的第5篇文章,整个系统约20篇博客,将全面的介绍Python Tkinter常用控件,最后还将基于Tkinter搭建两个比较完整的小项目。 2. A Python function or method can be associated with a button. DisplayMember = "ItemList" MyComboBox. I am using tkFileDialog for the same. The AutocompleteEntry class (which can be found here) derives from tk. Button (2) Comment associer une fonction au clic gauche sur un bouton ?. If you want to display one or more lines of text that cannot be modified by the user, then you should use the Label widget. Messagebox in tkinter module provides a set of dilog boxes to show messages. Entry widget could also be used to display the single-line text. Created: May-20, 2019. Universal SubscriptionOur Best Value – includes over 600 UI Controls, our award-winning reporting platform, DevExpress Dashboard, the eXpressApp Framework, CodeRush for Visual Studio and more. Contribute to beenje/tkinter-logging-text-widget development by creating an account on GitHub. Such widgets include: the Listbox widget. The method Erase text, delete Entry, and destroy the widget() through Button(command). This might be fixed by overriding the ToString in the EmptyItem class. 4 August 2010 ListModels was introduced to simply the implementation of autocomplete. Tkinter is a Python binding to the Tk GUI toolkit. x에서는 Tkinter라고 되어 있고 Python 3. The ttk library must be explicity added and when done in this way its components must be identified with. Top Six Tips for Using Combo Boxes on Microsoft Access Forms Provided by: Molly Pell (Senior Systems Analyst) and Luke Chung (President) Microsoft Access combo boxes let you display data for users to select values from predefined lists. The different between vanilla tkinter and tkinter. 7: Tkinter/ttk Linked ComboBoxes xes. Sure Silverlight 2 has a ComboBox as part of the core controls now, but as I’ve previously noted, the ComboBox in current form exhibits only DropDownList behaviors. In Python 3, tkinter is still available, but the import names changed. Entry tkinter is a widget to accept input from user. A simple way to create a toggle button for the Tkinter Python GUI toolkit. [code]from Tkinter import * root = Tk() scrollbar = Scrollbar(root) scrollbar. It is designed for readers who are familiar with Python and who need to develop applications with Graphical User Interfaces (GUIs). Press F1 and use the help file. The entry widget is used to enter text strings. Object Oriented Programming Crash Course with Tkinter. Everything is now under the tkinter package. the code I have far works well, but I would like to get it to show the dropdown once some text has been entered without removing focus from the entry part of the widget. They are extracted from open source Python projects. I generated my GUI using Tkinter package. The listbox can only contain text items, and all items must have the same font and color. Any help regarding the same? Thanks and regards,,, Amr Saad. ComboBox Name. Remove An Entry From ComboBox When It Is Selected In Another ComboBox? Nov 21, 2011. Python with tkinter outputs the fastest and easiest way to create the GUI applications. Tkinter - Autocomplete Entry Field. 要使用 combobox ,我們必須匯入 tkinter. Where possible, we will be using tkinter. We set the size of the window and the miminum size with the functions minsize() and geometry(). If you want to display one or more lines of text that cannot be modified by the user, then you should use the Label widget. x에서는 Tkinter라고 되어 있고 Python 3. 5 から利用可能となった ttk モジュールの、ttk. Here's one that has me stumped. A variable linked to the current value of the combobox; when the variable is changed, the current value of the combobox will be updated, while when the user changes the combobox, the variable will be updated. Tkinter is included with standard Linux, Microsoft Windows and Mac OS X installs of Python. I generated my GUI using Tkinter package. How to prevent Tkinter frame resize?. Tkinter file autocomplete entry File_Entry" widget to make more easier to the final user to write and search for a path. Remove An Entry From ComboBox When It Is Selected In Another ComboBox? Nov 21, 2011. In this part of the Tkinter tutorial, we will cover some basic Tkinter widgets. This can occur when the form loads, or if the RowSource values of the ListBox or ComboBox change based on another selection (see our tip on Cascading ComboBoxes/ListBoxes). Combobox widget is a class of ttk module of tkinter library, so you need to import this module. The last thing to mention is the ComboBox control. by gsquared · 12 years ago In reply to Disable editing in previo You can use an OnLoad event to set the AllowEdits property of the form. The ttk library must be explicity added and when done in this way its components must be identified with. 序言 本章介绍Tkinter的Entry控件,本文是Python GUI系列的第5篇文章,整个系统约20篇博客,将全面的介绍Python Tkinter常用控件,最后还将基于Tkinter搭建两个比较完整的小项目。 2. Tkinter Introduction Tkinter Hello World Tkinter Label Widget Tkinter Button Tkinter Checkbutton Tkinter Radiobutton Tkinter Combobox Tkinter Entry Tkinter Layout Management Tkinter Menubar Tkinter Status Bar Tutorial; Tkinter Tutorial. Specifies an integer value indicating the desired width of the entry window, in average-size characters of the widget's font. The entry widget is used to enter text strings. Treeview" with the following code (see the comments to understand what each line does):. Hi all, I'm trying to learn a bit about how to show/hide objects using the available layout managers and have no problems using Pack or Grid but when I. It covers GUI development in Tkinter with Python. I have to select both from comboboxes. This samples demonstrates how to set up the combo with various editing options. Also, sort the lines, add a line, delete a line, edit a line and save the modified listbox. Object Oriented Programming Crash Course with Tkinter. The option menu is similar to the combobox widgets commonly used on Windows. By default, the value is blank but when you initialize or refresh a ComboBox or ListBox, you may want to select the first item in the list. < 上一页 Python Tkinter Entry和Text Python Tkinter Listbox和Combobox 下一页 > Radiobutton 组件代表单选钮,该组件可以绑定一个方法或函数,当单选钮被选择时,该方法或函数将会被触发。. They are extracted from open source Python projects. NETHow To Set Different ColorsKnownColor, SolidBrush, EventArgs, ComboBox, and ListItem. I must say that in my mind it was a bit old and wasn't looking very modern. Tkinter is an open source, portable graphical user interface (GUI) library designed for use in Python scripts. Tkinter — Python interface to Tcl/Tk¶. This is a community of tens of thousands of software programmers and website developers including Wrox book authors and readers. Micro-issue: it is too late to add anything to tkinter. Tkinter file autocomplete entry File_Entry" widget to make more easier to the final user to write and search for a path. It can be a problem, if you e. 1 Set focus to entry widget. To start viewing messages, select the forum that you want to visit from the selection below. Like a SELECT combo-box, you provide a list of values. It is a standard Python interface to the Tk GUI toolkit shipped with Python. MASTER can be given as master widget. If you want to display one or more lines of text that cannot be modified by the user, then you should use the Label widget. What is tkinter? "Tkinter is Python's de­facto standard GUI (Graphical User Interface) package. Such widgets include: the Listbox widget. In the ‘Screen Data’ dropdown, choose ‘Customer’. Tkinter dropdown example The example below creates a Tkinter window with a combobox. DisplayMember = "ItemList" MyComboBox. first they enter a string of number into textbox4, and macro checks against the worksheet if this number exists. Начиная с версий python 2. Learn how to implement a mouse click event in Tkinter using Python 3. They are extracted from open source Python projects. text strings, from the user of an application. python3 tkinter Entry组件获取输入内容,通过button组件运行失败 0 请问怎么调取控制台的数据到图形界面上,然后分析这一期的数据,用gui分析,gui用哪种好. The RadComboBox client API allows for complete control over the client object, giving the developer the opportunity to set the behavior of the control depending on the scenario. 3-state CheckBoxes are also supported. Value = ComboBox1. A simple way to create a toggle button for the Tkinter Python GUI toolkit. I want it to be so that the user can only choose a valid option from the drop down. 2 Disable entry widget; 5 Add a combobox widget; 6 Add a Checkbutton widget (Tkinter checkbox) 6. User interaction is not restricted to console-based I/O. The chart below contains the names recognized by TKinter, and the Hortsmann graphics library for identifying different colors. tkinter sample application. Object Oriented Programming Crash Course with Tkinter. The listbox can only contain text items, and all items must have the same font and color. Also Read: Windows Forms CheckedListBox Control – C# and Vb. Detailed Description. If more lines are required, you should use Tkinter Text widget. i am new to Python. 즉, Python을 설치하면 바로 사용가능한 GUI 라이브러리이며, Tkinter는 Tk(Toolkit) interface의 약어이다. I want to change the background color of one of the entires in my combobox listfillrange. The example we'll use is a simple GUI tool that will convert a number of feet to the equivalent number of meters. We work with the following widgets: Checkbutton , Label , Scale , and Listbox. Changed, AddressOf Me. The next tutorial: Programming GUIs and windows with Tkinter and Python Introduction. Python Tkinter Spinbox控件及用法(附带实例) 14. AddHandler entry. These are things like buttons, menus, windows and text entry. It is populating and I am able to type in and get suggestions. ttk widgets use style to define their appearance. You can show the list of items in the ComboBox and user can select any one item and do different operations. Access will close the wizard and you'll see the form with the new combo box. In the code window, add the following to add ‘links’ to tkinter and the Universal Library: from tkinter import * from builtins import * from tkinter. The different between vanilla tkinter and tkinter. In the ActiveX Controls group, click Combo Box. Explore the powerful features and capabilities by browsing the hundreds of online examples on the Telerik demo site. 4 August 2010 ListModels was introduced to simply the implementation of autocomplete. You can use showinfo(), showwarning() or showerror() function of messagebox for different purpose. When a button is pressed by mouse click, some action can perform. Also, sort the lines, add a line, delete a line, edit a line and save the modified listbox. Combobox selections. The user can adjust the value by pressing the two. En tu caso creas frame y usas pack para posicionarlo dentro de la ventana principal pero luego, sobre esa misma ventana principal, se crea el formulario (form = Formulario(raiz,)), pero Campo posiciona usando grid. typical settings), but also put in their own value (e. It has 89 code examples. Like a SELECT combo-box, you provide a list of values. box = Combobox(self. I'll cover the following topics in the code samples below: VB. It is the most commonly used toolkit for GUI Programming in Python. for an example you can place the following code in the combo box selection change event, assuming you have another combobox: private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { comboBox2. [code]from tkinter import * from tkinter import ttk # also import the themed tkinter for good looking widgets (not obligatory) class Wid. The data source connects nicely. part when creating such objects. The disabled item can be marked as disabled with a prefix that you choose, or by choosing a boolean column in the source database for the list DataSource. As an alternative to the DisplayMemberPath you can create an itemtemplate for the combobox. Press F1 and use the help file. This function or method will be executed, if the button is pressed in some way. I want to use combobox with grey out items option on excel worksheet. Entry component named entry. A zero causes the effect to be inverted. ttk import Combobox combo = Combobox (window). In this case, we create a style "mystyle. We set the size of the window and the miminum size with the functions minsize() and geometry(). from tkinter. If true, the Combobox will be a dropdown style widget which displays an entry field and an arrow button which when activated will pop up a scrollable list of items. It is a thin object­oriented layer. I am especially worried about ease-of-use. You have the option of keeping the ArtistId form control or removing it. Hi, I want to have a userform with several comboboxes (style = fmStyleDropDownList) and whenever a combobox get focus, the dropdown should open. This worked in preview but not when running the app. WIDGET COMMAND The following subcommands are possible for combobox widgets: pathName current?newIndex? If newIndex is supplied, sets the combobox value to the element at position newIndex in the list of -values. Entry and tk. In any case, it should be a separate issue, with possible a check for anything else that is missing. Here, we show how simple it is to create a very basic window in just 8 lines. Create a Window. The following are code examples for showing how to use ttk. To disable entry widget, you can set the state property to disabled: txt = Entry(window,width=10, state='disabled') Now, you won't be able to enter any text. However, this prevents the user from selecting with a mouse. Line 2 assigns the value of the box to a variable of a special tkinter type (StringVar), as we did in a previous recipe. Contribute to beenje/tkinter-logging-text-widget development by creating an account on GitHub. This course is for those who want to learn gui using python ,this course teach you from scratch and for those who also have a knowledge in tkinter and want to learn how to write the code to build programs The course is ideal for people who haven't programmed before, but great for other programmers as well as far as they don't get offended by a bit of extra explanations. in the below code, the "Hello World" will be align to center if we increase the size of the window as shown in Fig. NET ComboBox - powerful drop-down list control with rich client-side capabilities and load-on-demand mechanism. You can use showinfo(), showwarning() or showerror() function of messagebox for different purpose. To use it: –!import * from Tkinter •!or –!from Tkinter import *. As an alternative to the DisplayMemberPath you can create an itemtemplate for the combobox. To get the currently selected value from an option menu, you have to pass in a Tkinter variable.