Version: 2017.4
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GUIUtility.GetControlID

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public static method GetControlID(focus: FocusType): int;
public static int GetControlID(FocusType focus);
public static method GetControlID(focus: FocusType, position: Rect): int;
public static int GetControlID(FocusType focus, Rect position);

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));
    }
}
public static method GetControlID(hint: int, focus: FocusType): int;
public static int GetControlID(int hint, FocusType focus);
public static method GetControlID(hint: int, focus: FocusType, position: Rect): int;
public static int GetControlID(int hint, FocusType focus, Rect position);

Description

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

public static method GetControlID(contents: GUIContent, focus: FocusType): int;
public static int GetControlID(GUIContent contents, FocusType focus);
public static method GetControlID(contents: GUIContent, focus: FocusType, position: Rect): int;
public static int GetControlID(GUIContent contents, FocusType focus, Rect position);

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.

Is something described here not working as you expect it to? It might be a Known Issue. Please check with the Issue Tracker at issuetracker.unity3d.com.

Copyright © 2020 Unity Technologies. Publication Date: 2020-06-05.
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