Version: 2018.4
LanguageEnglish
  • C#

Dropdown.value

Suggest a change

Success!

Thank you for helping us improve the quality of Unity Documentation. Although we cannot accept all submissions, we do read each suggested change from our users and will make updates where applicable.

Close

Submission failed

For some reason your suggested change could not be submitted. Please <a>try again</a> in a few minutes. And thank you for taking the time to help us improve the quality of Unity Documentation.

Close

Cancel

public int value;

Description

The Value is the index number of the current selection in the Dropdown. 0 is the first option in the Dropdown, 1 is the second, and so on.

//Create a new Dropdown GameObject by going to the Hierarchy and clicking Create>UI>Dropdown. Attach this script to the Dropdown GameObject.
//Set your own Text in the Inspector window

using UnityEngine; using UnityEngine.UI;

public class Example : MonoBehaviour { //Attach this script to a Dropdown GameObject Dropdown m_Dropdown; //This is the string that stores the current selection m_Text of the Dropdown string m_Message; //This Text outputs the current selection to the screen public Text m_Text; //This is the index value of the Dropdown int m_DropdownValue;

void Start() { //Fetch the DropDown component from the GameObject m_Dropdown = GetComponent<Dropdown>(); //Output the first Dropdown index value Debug.Log("Starting Dropdown Value : " + m_Dropdown.value); }

void Update() { //Keep the current index of the Dropdown in a variable m_DropdownValue = m_Dropdown.value; //Change the message to say the name of the current Dropdown selection using the value m_Message = m_Dropdown.options[m_DropdownValue].text; //Change the onscreen Text to reflect the current Dropdown selection m_Text.text = m_Message; } }
Copyright © 2023 Unity Technologies
优美缔软件(上海)有限公司 版权所有
"Unity"、Unity 徽标及其他 Unity 商标是 Unity Technologies 或其附属机构在美国及其他地区的商标或注册商标。其他名称或品牌是其各自所有者的商标。
公安部备案号:
31010902002961