Version: 2018.2
public UI.InputField.LineType lineType ;

Description

The LineType used by the InputField.

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

public class Example : MonoBehaviour { public GameObject mainInputField;

//When you press a button, this method is called. public void ChangeInputField(int type) { if (type == 0) { //Change the input field to "Single Line" line type. mainInputField.GetComponent<InputField>().lineType = InputField.LineType.SingleLine; } else if (type == 1) { //Change the input field to "MultiLine Newline" line type. mainInputField.GetComponent<InputField>().lineType = InputField.LineType.MultiLineNewline; } else if (type == 2) { //Change the input field to "MultiLine Submit" line type. mainInputField.GetComponent<InputField>().lineType = InputField.LineType.MultiLineSubmit; } } }