Format. Increment Brightness(Single) Method
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Changes the brightness of the picture by the specified amount.
public: void IncrementBrightness(float Increment);
public void IncrementBrightness (float Increment);
Public Sub IncrementBrightness (Increment As Single)
Required Single. Specifies how much to change the value of the Brightness property for the picture. A positive value makes the picture brighter; a negative value makes the picture darker.
Use the Brightness property to set the absolute brightness of the picture.
You cannot adjust the brightness of a picture past the upper or lower limit for the Brightness property. For example, if the Brightness property is initially set to 0.9 and you specify 0.3 for the
Increment argument, the resulting brightness level will be 1.0, which is the upper limit for the Brightness property, instead of 1.2.