Thumbnail

This property gets or sets a thumbnail preview of the current page.

Syntax

LONG Thumbnail { get; set; }

Value

Index of the thumbnail

Remarks

A PDF document may define thumbnail images representing the contents of its pages in miniature form. A viewer application can then display these images on the screen, allowing the user to navigate to a page by clicking a thumbnail image with the mouse. This property indicates what image appears as a thumbnail. The value for this property is returned from a method such as AddImageFromFile.

Example

How to set custom thumbnail for PDF page

Delphi

[copy to clipboard]

{ PDF object is supposed to be created }
PDF.ViewerMode := mtUseThumbnails;
th := PDF.AddImageFromFile('thumb1.jpg');
PDF.NewPage;
PDF.Thumbnail := th; { set thumbnail for 2nd page }
PDF.SaveToFile('test.pdf', true);

C/C++

[copy to clipboard]

// PDF object is supposed to be created
PDF->ViewerMode = mtUseThumbnails;
long th = PDF->AddImageFromFile("thumb1.jpg");
PDF->NewPage();
PDF->Thumbnail = th; // set thumbnail for 2nd page
PDF->SaveToFile("test.pdf", true);

[copy to clipboard]

// PDF object is supposed to be created
PDF.ViewerMode = ModeType.mtUseThumbnails;
long th = PDF.AddImageFromFile("thumb1.jpg");
PDF.NewPage();
PDF.Thumbnail = th; // set thumbnail for 2nd page
PDF.SaveToFile("test.pdf", true);

Visual Basic

[copy to clipboard]

' PDF object is supposed to be created
PDF.ViewerMode = 2 'ModeType.mtUseThumbnails
th = PDF.AddImageFromFile("thumb1.jpg")
PDF.NewPage
PDF.Thumbnail = th ' set thumbnail for 2nd page
PDF.SaveToFile "test.pdf", true

Syntax

Value

Remarks

Example

See Also