---
tags:
    - "UI, Layout"
---

# Set Canvas Scaler Match Width Or Height

[UI](../../index.md) / [Layout](../index.md) / [Canvas Scaler](index.md) / **Set Canvas Scaler Match Width Or Height**

## Description

Sets the Match Width Or Height property of Canvas Scaler component

## Parameters

| Name | Description |
| :--- | :---------- |
| Canvas Scaler |  |
| Value |  |

## Code

```cs
// <auto-generated>
// This script was automatically generated using the Visual Script Transpiler.
// Do not modify. Changes to this file will be lost when updating the package.
// </auto-generated>

using System;
using UnityEngine;
using VisualScript.Icons;
using UnityEngine.UI;

namespace VisualScript.Runtime
{
    [Title("Set Canvas Scaler Match Width Or Height")]
    [Category("UI/Layout/Canvas Scaler/Match Width Or Height")]
    [Description("Sets the Match Width Or Height property of Canvas Scaler component")]

    [Image(typeof(IconCanvasScaler), ColorTheme.Type.TextLight)]
    [Keywords("UI, Layout")]

    [Parameter("Canvas Scaler")]
    [Parameter("Value")]

    [Serializable]
    public class GenInstructionNumber_CanvasScaler_SetMatchWidthOrHeight : Instruction
    {
        [SerializeField] private GetGameObject m_CanvasScaler = new GetGameObject(
            new GenTypeGameObject_CanvasScaler()
        );

        [SerializeField] private GetNumber m_Value = new GetNumber();

        [SerializeField] private TweenTransition m_Transition = new TweenTransition();

        [NonSerialized] private bool m_IsComplete;

        protected override string GetTitle(GameObject source)
        {
            string member = TextUtils.ThemeAsKeyword("Match Width Or Height");
            return $"{this.m_CanvasScaler} {member} = {this.m_Value}{this.m_Transition}";
        }

        [NonSerialized] private Action<Component, float> m_CallOnUpdate;
        [NonSerialized] private Action m_CallOnFinish;
        [NonSerialized] private Func<bool> m_CallIsComplete;

        protected override async Awaitable Run(Args args)
        {
            CanvasScaler component = this.m_CanvasScaler.Get<CanvasScaler>(args);
            if (component == null) return;

            bool wait = this.m_Transition.Await;
            this.m_IsComplete = false;

            this.m_CallOnUpdate ??= this.OnUpdate;
            this.m_CallOnFinish ??= this.OnFinish;
            this.m_CallIsComplete ??= this.IsComplete;

            TweenManager.Run(new TweenInstanceInput<float>(
                component,
                "matchWidthOrHeight",
                component.matchWidthOrHeight,
                (float) this.m_Value.Get(args),
                this.m_CallOnUpdate,
                wait ? this.m_CallOnFinish : null,
                this.m_Transition.GetDuration(args),
                this.m_Transition.EaseMode,
                this.m_Transition.TimeMode
            ));

            if (wait) await this.Until(this.m_CallIsComplete);
        }

        private void OnUpdate(Component component, float value)
        {
            if (component is not CanvasScaler componentCanvasScaler) return;
            componentCanvasScaler.matchWidthOrHeight = value;
        }

        private void OnFinish() => this.m_IsComplete = true;

        private bool IsComplete() => this.m_IsComplete;
    }
}
```