ScrollView.ScrollTo

参数

描述

滚动到特定的子元素。

此示例创建一个包含多个标签的 ScrollView。使用 Button 滚动到选定的标签。

using UnityEngine;
using UnityEngine.UIElements;

public class ScrollViewScrollToExample : MonoBehaviour
{
    public UIDocument uiDocument;
    public int numberOfLabels = 100;
    public int scrollToButton = 50;

    Label[] labels;

    void Start()
    {
        var sv = new ScrollView { name = "My Scroll View" };

        labels = new Label[numberOfLabels];
        for (int i = 0; i < numberOfLabels; i++)
        {
            var label = new Label { text = "Button " + i };
            labels[i] = label;
            sv.Add(label);
        }

        var button = new Button { text = "Scroll to " + scrollToButton };
        button.clicked += DoScrollTo;

        uiDocument.rootVisualElement.Add(button);
        uiDocument.rootVisualElement.Add(sv);
    }

    void DoScrollTo()
    {
        var sv = uiDocument.rootVisualElement.Q<ScrollView>("My Scroll View");
        sv.ScrollTo(labels[scrollToButton]);
    }
}