TPdfObjectList.AddLayer

Declaration

function AddLayer(aLayer: TObject; RemoveLayer: Boolean = False): TPdfObject;

Description

Converts a layer (or all layers) to a PDF Object.
Specify a TIELayer as aLayer to convert a single layer.
Specify a TImageEnView as aLayer to convert all layers.
If RemoveLayer is enabled, the layer will be removed from the TImageEnView after conversion.

Note:
◼To enable layers to be used with PDFium, you must enable AllowLayers
◼Call ApplyChanges before saving to apply object changes to the document

Demo

Demos\PDF\PDFPageObjects_FromLayers\PDFPageObjectsLayers.dpr

Examples

// Convert the currently selected layer to a PDF object
ImageEnView1.PdfViewer.Objects.AddLayer( ImageEnView1.CurrentLayer, True );

// Convert all layers to PDF objects
ImageEnView1.PdfViewer.Objects.AddLayer( ImageEnView1, True );

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