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Use Toggle to create a conditional UI

Use Toggle to create a conditional UI in an Editor window.
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This example uses a Toggle to create a conditional UI.

Example overview

The example creates a custom Editor window with two toggles. You can use the toggles to do the following:
  • Show or hide a label
  • Activate or deactivate a button
You can find the completed files that this example creates in this GitHub repository.

Create the example

To create the example:
  1. Create a Unity project with any template.
  2. In the Project window, create a folder named 
    Editor
    .
  3. In the 
    Editor
    folder, create a C# script file named 
    ToggleExample
    with the following content:
    using UnityEngine;using UnityEditor;using UnityEngine.UIElements;namespace Samples.Editor.Controls{    public class ToggleExample : EditorWindow    {        private Toggle showToggle;        private Toggle activateToggle;        private Label labelToShow;        private Button buttonToActivate;        [MenuItem("Window/ToggleExample")]        public static void OpenWindow()        {            var window = GetWindow<ToggleExample>("Controls: Toggle Sample");            window.minSize = new Vector2(200, 170);        }        public void CreateGUI()        {            showToggle = new Toggle("Show label")            {                value = true            };            activateToggle = new Toggle("Active button")            {                value = true            };            labelToShow = new Label("This label is shown when the above toggle is set to On");            buttonToActivate = new Button(() => Debug.Log("Button pressed!"))            {                text = "Active if above toggle is On"            };            rootVisualElement.Add(showToggle);            rootVisualElement.Add(labelToShow);            rootVisualElement.Add(activateToggle);            rootVisualElement.Add(buttonToActivate);            showToggle.RegisterValueChangedCallback(evt => labelToShow.visible = evt.newValue);            activateToggle.RegisterValueChangedCallback(evt => buttonToActivate.SetEnabled(evt.newValue));        }    }}
  4. To try the example, from the menu, select Window > ToggleExample.

Additional resources