expression.Contrast
expression Required. An expression that returns one of the objects in the Applies To list.
Remarks
Use the IncrementContrast method to incrementally adjust the contrast from its current level.
Example
This example sets the contrast for the first shape in the active publication. The shape must be either a picture or an OLE object.
ActiveDocument.Pages(1).Shapes(1).PictureFormat _
.Contrast = 0.8