constants ColorAdjustmentChannelEnum
The ColorAdjustmentChannelEnum type specifies the color channel to be updated by the Brightness / Contrast properties. These properties can be used to change the percent of specified color to be applied on the layer. The ColorAdjustmentChannelEnum defines the following values:

NameValueDescription
exAllChannels0 The value is applied to all channels ( red, green and blue ).
exRedChannel1 The value is applied to the red channel only
exGreenChannel2 The value is applied to the green channel only
exBlueChannel3 The value is applied to the blue channel only