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Destructive Overlays are available in all the supported visual development environments.

Functions from Image Library or Display Control methods and properties can be used.

 

 

Functionality of the Image control regarding destructive Overlays  

 

The CVImg.dll has a set of functions to deal with destructive Overlays.

CreateOverlayImage

CreateGenericImage

CreateOverlayFromPixelList

CopyOverlay 

IsOverlayObject

HasOverlay

CreatePixelListFromOverlay

 

 

Functionality of the Display control regarding destructive Overlays

 

The Display Control has properties and methods enabling the user to use destructive Overlays.

 

Please see also Display Control Introduction showing destructive Overlay and the Datatype method of the Image Control.

 

Properties

Display LeftButtonModes

 

Methods

MakeOverlayImage