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HideDigitalSignatures Property


Gets or sets a value that indicates whether to hide the digital signature objects when loading a PDF page as a raster image or an SVG.

public bool HideDigitalSignatures { get; set; } 
Public Property HideDigitalSignatures As Boolean 
public boolean getHideDigitalSignatures() 
public void setHideDigitalSignatures(boolean value) 
property bool HideDigitalSignatures { 
   bool get(); 
   void set (    bool ); 

Property Value

true to hide the digital signature objects, otherwise; false. The default value is true.


HideAnnotations, HideFormFields and HideDigitalSignatures control showing/hiding the annotations/form fields/digital signature respectively when loading a PDF as a raster image or an SVG.

The default value of these properties is true. Therefore, if you load a page containing any of these objects as a raster image or an SVG (using Load or LoadSvg), the objects will be rendered and are considered part of the page. This default behavior ensures that viewing applications will display the PDF page exactly as is.

For more document-oriented viewing applications, it may be desirable to hide these objects when loading the page. For example, an annotations-capable application can set HideAnnotations to true and then use other parts of LEADTOOLS to load the annotations and overlay them on the page for editing. Otherwise, when the user moves an object in the application, the page will show the pre-rendered version underneath.

Similarly, a PDF forms application can hide the forms by setting HideFormFields to true and then load the form fields and overlay them using other parts of LEADTOOLS.

For an example, refer to the source code the Document Viewer, Annotations, PDF Document, PDF Forms or PDF Digital Signature demos in your LEADTOOLS installation.


Target Platforms

Help Version 20.0.2020.4.3
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