void OnEnable()
{
// setup the font for the 'begin' 'end' text
_labelStyle = new GUIStyle();
_labelStyle.fontStyle = FontStyle.Bold;
_labelStyle.normal.textColor = Color.white;
_labelStyle.fontSize = 16;
_indexStyle = new GUIStyle();
_indexStyle.fontStyle = FontStyle.Bold;
_indexStyle.normal.textColor = Color.white;
_indexStyle.fontSize = 12;
_target = (DummySpline)target;
}
void OnDisable()
{
_target = null;
_labelStyle = null;
_indexStyle = null;
}