枚举成员
Bottom_Bottom
Bottom_Bottom: 16
Bottom_Middle
Bottom_Middle: 15
BottomExt_Bottom
BottomExt_Bottom: 24
BottomExt_Top
BottomExt_Top: 23
Center_Center
Center_Center: 6
CenterAndMiddle
CenterAndMiddle: 102
Left_Center
Left_Center: 4
LeftExt_Left
LeftExt_Left: 17
LeftExt_Right
LeftExt_Right: 18
Middle_Middle
Middle_Middle: 13
Right_Center
Right_Center: 8
Right_Right
Right_Right: 9
RightExt_Left
RightExt_Left: 19
RightExt_Right
RightExt_Right: 20
TopExt_Bottom
TopExt_Bottom: 22