page is rendered to PDF.
This kind of script can be used for a variety of purposes. For
example you might wish to hide background images or get pre-render
information from the document.
You can provide a return value by setting an "abcpdf" property
in the documentElement. For example:
document.documentElement.abcpdf = "my return
The return value can be accessed using the GetScriptReturn method with
the ID returned from Doc.AddImageUrl or
For the MSHtml engine, you must have the UseScript key set to true or you will get an
"access denied" error; the return value can only be set inside
OnLoadScript. The Gecko engine does
not have these restrictions.
For the MSHtml engine, the script in this property is executed
after the page load is complete, so it may be executed before or
after any script in the web page that is executed after the
completion of page load.
For the Gecko engine, the script in this property may be
executed before or after any event-triggered script in the web
page. For example, if you set window.ABCpdf_go to false in
OnLoadScript, but the event listener that sets window.ABCpdf_go to
true is in the script in the web page, you should check the value
of window.ABCpdf_go (initially undefined) before setting it to
false in OnLoadScript.
doc.HtmlOptions.OnLoadScript = "if(!window.ABCpdf_go)
window.ABCpdf_go = false;";