GUIUtility.GetControlID

Description

Get a unique ID for a control.

    // Prints a not used ID that can be assigned to a control

    function OnGUI() {
        // Gets a ID for a control that cannot receive keyboard focus (A button)
        Debug.Log("Available id: " + GUIUtility.GetControlID(FocusType.Passive));
    }

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void OnGUI() {
        Debug.Log("Available id: " + GUIUtility.GetControlID(FocusType.Passive));
    }
}

Description

Get a unique ID for a control, using an integer as a hint to help ensure correct matching of IDs to controls.

Description

Get a unique ID for a control, using a the label content as a hint to help ensure correct matching of IDs to controls.