Subject: ActiveX control '........' cannot be instantiated because
Date: 2012-01-11 10:10:15
From: Nick Franklin
Source: activex-control-cannot-instantiated

I am trying to create a PDF document from an HTML page
The HTML page does not exist, but is created on the fly by building a string containing the content, then displaying that content using response.write(html).

The html can be very long and includes images.

I have the following code:-

Dim document As New PdfDocument()

        Dim page As PdfPage = document.Pages.Add()

        Dim htmltext As String = html

        Dim options As New Html2PdfOptions()

        options.EnableJavaScript = True

        options.AutoDetectPageBreak = True

        options.EnableHyperlinks = False

        options.SplitTextLines = True

        document.ImportHtml(htmltext, options)



The html displays on the screen correctlyand I show a button to create a pdf from the same html.
I get the following error:-
ActiveX control '....' cannot be instantiated because the current thread is not in a single-threaded apartment.


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