Question about scripting button image changes

hey everyone,

I am attempting to change the button image to a new image when something is clicked on. The code I have right now is here..

Code (CSharp):

1. public Toggle balsaLogToggle;
2.     public Toggle appleLogToggle;
3.     public Toggle ashLogToggle;
4.  
5.     public Button campFireButton;
6.    
7.     public Image campFireOn;
8.     public Image campFireOff;
9.  
10.     // Use this for initialization
11.     void Start ()
12.     {
13.         campFireButton = gameObject.Find ("Camp Fire Button").GetComponent<Button> ();
14.     }
15.    
16.     // Update is called once per frame
17.     void Update ()
18.     {
19.    
20.     }
21.  
22.     void OnClickWhatLogToBurn()
23.     {
24.         if(balsaLogToggle.isOn)
25.         {
26.             GameController.control.balsaLogs -= 1;
27.             campFireButton = campFireOn;  
28.         }
29.         else if(appleLogToggle.isOn)
30.         {
31.             GameController.control.appleLogs -= 1;
32.             campFireButton = campFireOn;
33.         }
34.         else if(ashLogToggle.isOn)
35.         {
36.             GameController.control.ashLogs -= 1;
37.             campFireButton = campFireOn;
38.         }
39.        
40.     }
41.  
42.  
43. }

I am receiving this error message
Assets/LightLogScript.cs(33,25): error CS0029: Cannot implicitly convert type `UnityEngine.UI.Image' to `UnityEngine.UI.Button'

my question is what should i be using instead of the public Image to work with the button images? Am I just thinking through the logic on this the wrong way, or would this idea work if I was using the correct type instead of UnityEngine.UI.Image ? thanks!

 

would this be a better path to get this resault? campFireButton.GetComponent<Button> ().targetGraphic = campFireOn;

 

Solved. My Apologies for posting too soon... got more ideas once i posted this..

public Sprite campFireOn;
public Sprite campFireOff;

// Use this for initialization
void Start ()
{

}

// Update is called once per frame
void Update ()
{

}

public void OnClickWhatLogToBurn()
{
if(balsaLogToggle.isOn)
{
GameController.control.balsaLogs -= 1;
campFireButton.GetComponent<Image> ().sprite = campFireOn;
}

this is how i solved it in case anyone has a similar issue thanks