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Question by Thet Naing Swe · Aug 26, 2010 at 08:55 AM · guitextcreate

Dynamically create GUIText from script.

how can I create GUIText from script.. Below is the script that I am trying to do. But there has an error "Null Reference" in accessing to btnTexts...

private GUIText[] btnTexts; public Font font;

public void CreateTexts() {

btnTexts = new GUIText[numButtons];

for (int i = 0; i < numButtons; i++) {

//Create a Text btnTexts[i] = new GUIText(); btnTexts[i].font = font;

         btnTexts[i].transform.position = new Vector3(0.0f, startPosY, 2.0f);
         btnTexts[i].text = "Test";
 }
 }

The above code is not working and always saying NullReference Exception... :(

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Answer by Mike 3 · Aug 26, 2010 at 11:34 AM

You'll need to use AddComponent instead of new GUIText to create the GUIText - GUIText components don't work without a gameobject

Something like this should do it:

//Create a Text
GameObject go = new GameObject("GUIText " + i);
btnTexts[i] = (GUIText)go.AddComponent(typeof(GUIText));
btnTexts[i].font = font;
//etc
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avatar image Thet Naing Swe · Aug 26, 2010 at 11:56 AM 0
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I changed my code to ur suggestion and it still doesn't work... " The error is cannot explicily convert type UnityEngine.Component to UnityEngine.GUIText..."

GameObject go = new GameObject("GUIText " + i); btnTexts[i] = go.AddComponent(typeof(GUIText));

         btnTexts[i].font = font;
         btnTexts[i].material.color = new Color(1.0f, 1.0f, 1.0f); 
              
         btnTexts[i].transform.position = new Vector3(0.0f, startPosY, 2.0f);
         btnTexts[i].text = "Test";
avatar image Mike 3 · Aug 26, 2010 at 12:20 PM 0
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oh sorry, forgot the cast... changing the answer

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Answer by Thet Naing Swe · Aug 26, 2010 at 12:02 PM

Sry,,, I Confused between JavaScript and C# Style.. It works like that

GameObject go = new GameObject("GUIText " + i); btnTexts[i] = go.AddComponent();

btnTexts[i].font = font; btnTexts[i].material.color = new Color(1.0f, 1.0f, 1.0f);

     btnTexts[i].transform.position = new Vector3(0.0f, startPosY, 10.0f);
     btnTexts[i].text = "Test";

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