GUILayoutUtility.GetLastRect

Returns

Rect The last used rectangle.

Description

Get the rectangle last used by GUILayout for a control.

Note that this only works during the Repaint event.

using UnityEngine;

public class ExampleScript : MonoBehaviour
{
    void OnGUI()
    {
        GUILayout.Button("My button");
        if (Event.current.type == EventType.Repaint &&
            GUILayoutUtility.GetLastRect().Contains(Event.current.mousePosition))
        {
            GUILayout.Label("Mouse over!");
        }
        else
        {
            GUILayout.Label("Mouse somewhere else");
        }
    }
}