Bitmap for UWP
BlackPoint プロパティ

C1.UWP.DX アセンブリ > C1.Util.DX.Direct2D.Effects 名前空間 > Brightness クラス : BlackPoint プロパティ
The lower portion of the brightness transfer curve. The black point adjusts the appearance of the darker portions of the image. This property is for both the x value and the y value, in that order. Each of the values of this property are between 0 and 1, inclusive.
シンタックス
'宣言
 
Public Property BlackPoint As Vector2
public Vector2 BlackPoint {get; set;}
参照

Brightness クラス
Brightness メンバ