Public Function New( _
   ByVal brightness As Single, _
   ByVal contrast As Single, _
   ByVal hue As Single, _
   ByVal saturation As Single _
)

public ImageAdjustmentsFilter( 
   float brightness,
   float contrast,
   float hue,
   float saturation
)

Parameters

brightness

The brightness adjustment factor [-150..+150].

contrast

The contrast adjustment factor [-50..+50].

hue

The hue adjustment factor [-180..+180].

saturation

The saturation adjustment factor [-100..+100].

Reference