public virtual void OnEnable()
{
this.m_Shader = base.serializedObject.FindProperty("m_Shader").objectReferenceValue as Shader;
this.CreateCustomShaderGUI(this.m_Shader, string.Empty);
Undo.undoRedoPerformed = (Undo.UndoRedoCallback) Delegate.Combine(Undo.undoRedoPerformed, new Undo.UndoRedoCallback(this.UndoRedoPerformed));
this.PropertiesChanged();
this.m_ReflectionProbePicker.OnEnable();
}