XHtmlOptions HideBackground Property. Whether to hide the background color of a page. ABCpdf .NET PDF Library.

Whether to to hide the background color of an HTML page.

This can be useful for making HTML pages with transparent backgrounds.

Note that the background color is not the same as a background image or tiled image. This property operates on background colors only.

The following example shows the effect that this parameter has on HTML rendering.

[C#]
Doc theDoc = new Doc();
// Please note that the URL below is included for demonstration purposes only.
// In your code you should use your own URL. The site at the URL below changes frequently
// and may include other opaque elements which may obscure our blue rectangle.
string theURL = "http://www.usa.gov/";
// Add some content
theDoc.Color.String = "0 255 255"; // light blue
theDoc.FillRect(200, 200);
// Hide the background of the HTML page so content shows through
theDoc.HtmlOptions.HideBackground = true;
theDoc.AddImageUrl(theURL);
// Save the document
theDoc.Save(Server.MapPath("HtmlOptionsHideBackground.pdf"));
theDoc.Clear();
[Visual Basic]
Dim theDoc As Doc = New Doc()
' Please note that the URL below is included for demonstration purposes only.
' In your code you should use your own URL. The site at the URL below changes frequently
' and may include other opaque elements which may obscure our blue rectangle.
Dim theURL As String = "http://www.usa.gov/"
' Add some content
theDoc.Color.String = "0 255 255" ' light blue
theDoc.FillRect(200, 200)
' Hide the background of the HTML page so content shows through
theDoc.HtmlOptions.HideBackground = True
theDoc.AddImageUrl(theURL)
' Save the document
theDoc.Save(Server.MapPath("HtmlOptionsHideBackground.pdf"))
theDoc.Clear()


HtmlOptionsHideBackground.pdf