MonoBehaviour.IsInvoking

Description

Is any invoke on methodName pending?

using UnityEngine;
using System.Collections.Generic;

// Instantiates a project after 2 seconds when Space key was pressed.
// LaunchProjectile is called when a previous RigidBody has finished the Invoke.

public class ExampleScript : MonoBehaviour
{
    public Rigidbody projectile;

    void Update()
    {
        if (Input.GetKeyDown(KeyCode.Space) && !IsInvoking("LaunchProjectile"))
            Invoke("LaunchProjectile", 2.0f);
    }

    void LaunchProjectile()
    {
        Rigidbody instance = Instantiate(projectile);
        instance.velocity = Random.insideUnitSphere * 5;
    }
}

Description

Is any invoke pending on this MonoBehaviour?