我想知道FairyGUI.RelationType里面的值分别对应容器里的那些关联

namespace FairyGUI
{
public enum RelationType
{
Left_Left,
Left_Center,
Left_Right,
Center_Center,
Right_Left,
Right_Center,
Right_Right,
Top_Top,
Top_Middle,
Top_Bottom,
Middle_Middle,
Bottom_Top,
Bottom_Middle,
Bottom_Bottom,
Width,
Height,
LeftExt_Left,
LeftExt_Right,
RightExt_Left,
RightExt_Right,
TopExt_Top,
TopExt_Bottom,
BottomExt_Top,
BottomExt_Bottom,
Size,
}
}