InputField.multiLine

Description

If the input field supports multiple lines.

#pragma strict
// Required when Using UI elements.
public class Example {
	public var mainInputField;
	public function Update() {
		//Check to see if the input field is set to allow multiple lines.
		if (mainInputField.multiLine) {
			//Set the input field to only allow Single Lines, if it is currently set to allow Multiple lines.
			mainInputField.lineType = InputField.LineType.SingleLine;
			//Print to console
			Debug.Log("The main input field is now set to allow single lines only!");
		}
	}
}

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

public class Example : MonoBehaviour 
{
	public InputField mainInputField;

	public void Update()
	{
		//Check to see if the input field is set to allow multiple lines.
		if (mainInputField.multiLine)
		{
			//Set the input field to only allow Single Lines, if it is currently set to allow Multiple lines.
			mainInputField.lineType = InputField.LineType.SingleLine;
			//Print to console
			Debug.Log ("The main input field is now set to allow single lines only!");
		}
	}
}