PictureEffects Xojo Plugin |

# LevelsEffect.RGBHistogram Property

Returns the histogram for the combined RGB channels of image passed into last call to the CreateHistograms method.

RGBHistogram as ImageChannelHistogram {Read}

#### Remarks

This histogram is basically made by laying green on top of red and then blue on top of that.
Nil is returned if CreateHistograms method has not been called or if it has failed in some way.

#### See Also

LevelsEffect Class