private void OnGUI()
{
if (_midSplitView == null)
{
_midSplitView = new EditorGUISplitView(EditorGUISplitView.Direction.Horizontal, _SetNeedRepaint);
}
if (_logSplitView == null)
{
_logSplitView = new EditorGUISplitView(EditorGUISplitView.Direction.Vertical, _SetNeedRepaint);
}
EditorGUILayout.BeginHorizontal();
_midSplitView.BeginSplitView();
_DrawLeftGroupView();
_midSplitView.Split();
_DrawRightGroupView();
_midSplitView.EndSplitView();
EditorGUILayout.EndHorizontal();
_RepaintIfNeed();
}