How do you clear a combobox in Python?

How do you clear a combobox in Python?

In order to delete all the items in the combo box we will use clear method.

1. Syntax : combo_box.clear()
2. Argument : It takes no argument.
3. Action performed : It will delete all the items of combo box.

How to clear the Listbox in tkinter?

If we want to clear the items in the Listbox widget, we can use the delete(0, END) method. Besides deleting all the items in the Listbox, we can delete a single item as well by selecting an item from the Listbox, i.e., by using currselection() method to select an item and delete it using the delete() function.

What is combobox in tkinter?

Combobox is a combination of Listbox and an entry field. It is one of the Tkinter widgets where it contains a down arrow to select from a list of options. It helps the users to select according to the list of options displayed.

How do I delete a combobox in Excel?

Remove a drop-down list

1. Select the cell with the drop-down list. If you have multiple cells with drop-down lists that you want to delete, you can use Ctrl+Left click to select them.
2. Click Data >Data Validation.
3. On the Settings tab, click Clear All.
4. Click OK.

What is the difference between Tk and TTK?

That is the real difference between the two: Tkinter widgets are more configurable, and ttk is more modern and it is configurable with styles which are really handy shortcuts. And Tkinter is like the core of the window and ttk is styling.

What is TTK in Python?

The tkinter. ttk module provides access to the Tk themed widget set, introduced in Tk 8.5. ttk is to separate, to the extent possible, the code implementing a widget’s behavior from the code implementing its appearance.

How do I remove a sort in Excel?

Go to the Data ribbon and click the Clear icon in the Sort & Filter group. Go to the Home ribbon, click the arrow below the Sort & Filter icon in the Editing group and choose Clear.

How do you refresh a comboBox in Java?

4 Answers

1. you have to add ComboBoxModel to the JComboBox ,
2. there you can to add / remove / modify the value,
3. events implemented in the API refreshing your view ( JComboBox ) without moreover code lines.
4. all updates must be done on Event Dispatch Thread.

How add items to JComboBox?

Wrap the values in a class and override the toString() method. Add the ComboItem to your comboBox. comboBox. addItem(new ComboItem(“Visible String 1”, “Value 1”)); comboBox.

Should I use TTK or Tk?

Just like CSS is used to style an HTML element, we use tkinter. ttk to style tkinter widgets. Tkinter widgets are used to add Buttons, Labels, Text, ScrollBar, etc., however, tkinter. ttk doesn’t support Place, Pack() and Grid(), thus it is recommended to use tkinter widget with ttk.

How to use combobox in Python Tkinter TTK?

Python Tkinter TTK Combobox Read Only Tkinter Combobox is the drop-down list for the user to choose from. It is a combination of Entry and drop-down widgets as you can see. When you click the arrow on the left side, you will see a drop-down menu showing all the choices, and if you click on one, it will replace the current Entry contents.

What do you call the drop down menu In Tkinter?

Tkinter Combobox is the drop-down list for the user to choose from. It is a combination of Entry and drop-down widgets as you can see. When you click the arrow on the left side, you will see a drop-down menu showing all the choices, and if you click on one, it will replace the current Entry contents.

Do you need to import TTK module to use Tkinter like button?

You don’t need to import the ttk module to use the Tkinter widgets like Button. It creates the Tkinter combobox widget instance and also assigns the values that will appear in the drop-down list. Normally, the default item showing in the combobox is the first element in the values list.

How to bind the callback function in Tkinter?

Python Tkinter TTK Combobox Event Binding The combobox callback function binding is different from the widgets introduced in the last chapters. bind () method is the way to bind the callback function with the combobox virtual event when the user selects an element in the drop-down list. Tkinter Combobox_Virtual Event Binding.py