ScrollViewScope

설명

Disposable helper class for managing BeginScrollView / EndScrollView.

BeginScrollView is called at construction, and EndScrollView is called when the instance is disposed. ScrollViews let you make a smaller area on-screen look 'into' a much larger area, using scrollbars placed on the sides of the ScrollView.

using UnityEngine;

public class ExampleClass : MonoBehaviour
{
    // The position of the scrolling viewport
    public Vector2 scrollPosition = Vector2.zero;
    void OnGUI()
    {
        // An absolute-positioned example: We make a scrollview that has a really large client
        // rect and put it in a small rect on the screen.
        using (var scrollScope = new GUI.ScrollViewScope(new Rect(10, 300, 100, 100), scrollPosition, new Rect(0, 0, 220, 200)))
        {
            scrollPosition = scrollScope.scrollPosition;

            // Make four buttons - one in each corner. The coordinate system is defined
            // by the last parameter to the ScrollScope constructor.
            GUI.Button(new Rect(0, 0, 100, 20), "Top-left");
            GUI.Button(new Rect(120, 0, 100, 20), "Top-right");
            GUI.Button(new Rect(0, 180, 100, 20), "Bottom-left");
            GUI.Button(new Rect(120, 180, 100, 20), "Bottom-right");
        }
        // Now the scroll view is ended.
    }
}

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