UnityEditor.AnimEditor.AddEventButtonOnGUI C# (CSharp) Method

        private void AddEventButtonOnGUI()
        {
            AnimationWindowSelectionItem selectedItem = this.m_State.selectedItem;
            if (selectedItem != null)
            {
                using (new EditorGUI.DisabledScope(!selectedItem.animationIsEditable))
                {
                    if (GUILayout.Button(AnimationWindowStyles.addEventContent, EditorStyles.toolbarButton, new GUILayoutOption[0]))
                    {
                        this.m_Events.AddEvent(this.m_State.currentTime - selectedItem.timeOffset, selectedItem.rootGameObject, selectedItem.animationClip);
                    }
                }
            }
        }