Version: 2018.4
public float flexibleWidth ;

説明

利用可能なスペースがある場合、このレイアウト要素が割り当てられる相対的な幅

using UnityEngine;
using System.Collections;
using UnityEngine.UI; // Required when using UI elements.

public class ExampleClass : MonoBehaviour { public Transform MyContentPanel;

//Sets the flexible height on on all children in the content panel. public void Start() { //Assign all the children of the content panel to an array. LayoutElement[] myLayoutElements = MyContentPanel.GetComponentsInChildren<LayoutElement>();

//For each child in the array change its LayoutElement's flexible width to 200. foreach (LayoutElement element in myLayoutElements) { element.flexibleWidth = 200f; } } }

preferredWidth を -1 に設定すると、preferredWidth は削除されます。