PaddingF 构造函数 (Single, Single, Single, Single)

public PaddingF(
	float left,
	float top,
	float right,
	float bottom
)

Public Sub New ( 
	left As Single,
	top As Single,
	right As Single,
	bottom As Single
)

public:
PaddingF(
	float left, 
	float top, 
	float right, 
	float bottom
)

new : 
        left : float32 * 
        top : float32 * 
        right : float32 * 
        bottom : float32 -> PaddingF