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PictureFormat.IncrementBrightness Method

Office 2007
Changes the brightness of the picture by the specified amount.



expression   A variable that represents a PictureFormat object.


NameRequired/OptionalData TypeDescription
IncrementRequiredSingleSpecifies 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. Valid values are between – 1 and 1.


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.

Use the Brightness property to set the absolute brightness of the picture.


This example creates a duplicate of the first shape in the active publication and then moves and darkens the duplicate. For the example to work, the shape must be either a picture or an OLE object representing a picture.

Visual Basic for Applications
With ActiveDocument.Pages(1).Shapes(1).Duplicate
    .PictureFormat.IncrementBrightness Increment:=-0.2
    .IncrementLeft Increment:=50
    .IncrementTop Increment:=50
End With