Clickable.clickedWithEventInfo

Description

Callback triggered when the target element is clicked, including event data.

Encapsulates a method that has an EventBase parameter and does not return a value.

using UnityEngine;
using UnityEngine.UIElements;

[RequireComponent(typeof(UIDocument))]
public class ButtonDoubleClickedExample : MonoBehaviour
{
    public UIDocument uiDocument;

    void Start()
    {
        var button = new Button { text = "Press Me" };

        button.style.width = 160;
        button.style.height = 40;

        button.clickable.clickedWithEventInfo += (EventBase evt) =>
        {
            int clickCount = ((IPointerEvent)evt).clickCount;
            if (clickCount == 1)
                Debug.Log("Button was single-clicked.");
            else if (clickCount == 2)
                Debug.Log("Button was double-clicked.");
        };

        uiDocument.rootVisualElement.Add(button);
    }
}