FlowDocument on DocumentViewer

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I have to load a Coded[means, making by C# source code] FlowDocument to DocumentViewer

C#

reportView.Document = null;

Matrix rpt = new Matrix(); // This is my FlowDocument

try
{
    reportView.Document = rpt; //This part always throws an exception
    //Exception: DocumentViewer supports only FixedDocument or             FixedDocumentSequence documents.
}
catch { }

Even though it throw exception this works fine and load the document, if we call it on Page_Load.

"But its not working on a Button_Click()"

I couldn't find any refresh function for DocumentViewer.
Invalidate...() - functions not helping.

I am digging into the reason why the DocumentViewer showing the the FlowDocument while we set at Page_Load() and not at Button_Click().

Have any Idea?

Posted 21-Jul-11 15:05pm

derinpdavis

Updated 21-Jul-11 18:07pm

v2

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Mark Salsbery · Answer 1 · 2011-07-21T15:37:00

Solution 1

The exception message kind of tells you that you need something to view a flowdocument, not a fixeddocument....maybe use a FlowDocumentScrollViewer, FlowDocumentPageViewer, or FlowDocumentReader?

Posted 21-Jul-11 15:37pm

Mark Salsbery

Updated 21-Jul-11 15:41pm

v2

Comments

derinpdavis 21-Jul-11 21:41pm

but FlowDocumentPageViewer - (1) doesn't have the print option in-built,
(2) wouldn't have the nice look,
(3) options should be on top [like document viewer]

Mark Salsbery 21-Jul-11 21:43pm

FlowDocumentReader?

derinpdavis 21-Jul-11 23:27pm

I have tried FlowDocumentPageViewer, FlowDocumentReader, FlowDocumentScrollViewer but I like DocumentViewer

for FlowDocumentReader - IsPrintEnabled property I set to true, still I am not getting print option.

Mark Salsbery 21-Jul-11 23:37pm

DocumentViewer is the documented wrong element for flowdocuments but if you like it use it.

As for the print option, the docs state "The default toolbar UI does not include a Print button". IsPrintEnabled enables the routed command, that's it.

derinpdavis 22-Jul-11 0:06am

Mark, I am digging into the reason why the DocumentViewer showing the the FlowDocument while we set at Page_Load() and not at Button_Click().
I appreciate your help and time. Thanks

Mark Salsbery 22-Jul-11 1:48am

If you Bing/Google search on "DocumentViewer FlowDocument" you'll find many questions asked about that. Apparently at one time DocumentViewer could be used for flowdocuments but in one framework version that went away by design. DocumentViewer may still work partially, but it's now documented for fixed document content.