File preview control on a custom form

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Posted on by Basti Aurand

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Hello,

I would like implement a "file preview" in a custom form. It should have the same look and feel to the "DocumentViewerContainer" on the "DocuView" form. Is there any possibility to use this control WITHOUT DOCUREF, e.g. with someting like System.IO.Stream.

The document itself is extracted from an 3rd party application and therefore not available as a DocuRef / DocuValue record.

Any hints for me?

Thanks in advance

Sebastian

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Dynamics 365 Finance

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Martin Dráb 239,451 Most Valuable Professional on at

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As the object name prefix suggests, this control is specific to document management. If you look into DocuViewerContainer class, you'll see that its logic utilizes things like DocuRef table or DocuAction class. Therefore trying to use it for something unrelated to document management doesn't sound feasible to me. Also, it requires a data source; you can't use it as an unbound countrol and pass a stream to it at runtime.

You could use it a baseline for a custom control, if you really can't put the data to document management tables.

An easier way than building something very different may be supporting temporary buffers in your control and putting the extracted data there.

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Basti Aurand 268 on at

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Thanks Martin, I was thinking in the same direction. Maybe I will try to use tempory DocuRef / DocuValue table buffers in order to get the control running with the "extracted files".

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Diego Mancassola 867 on at

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Hi, totally agree, adding a limitation i found.

During the development of a custom solution to update receipt of an expense, on expense management module, the file preview has a limitation on size, you can't, get a full preview on entire screen, and the customer need this functionality.

I try to do a lot of different approach using code x++ but at the end the only stable solution i can find is to inject a piece of JS on client side to have a full screen preview.

If you need this, i can provide you a sample, let me know.

I will write an article about it in the next future pushing code on a public github repositiory

Diego

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