Set language of the DocumentViewer to German (from code, not XAML)

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I am trying to change the language of the DocumentViewer from default English to German but with no success.

Being new to WPF, I really struggle to do this.

IMPORTANT: DocumentViewer is created in code behind, in response to the menu item click, and then it is added as main window's Content.

I have tried doing the following, but it seems to do nothing:

C#

myDocumentViewer.Language = System.Windows.Markup.XmlLanguage.GetLanguage("de-DE");

No changes are made, DocumentViewer keeps English.

Googling for proper usage of the Language property, I found nothing useful.

QUESTION:

How can I set the language of the DocumentViewer (created with code) to German?

Posted 13-Nov-15 7:10am

AlwaysLearningNewStuff

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Maciej Los 14-Nov-15 2:22am

Cross-post: http://stackoverflow.com/questions/33682802/set-language-of-the-documentviewer-to-german-from-code-not-xaml

Maciej Los 14-Nov-15 2:31am

What about: myDocumentViewer.Language = "<object xml:lang='de-DE'/>"
XmlLanguage
xml:lang Handling in XAML

AlwaysLearningNewStuff 14-Nov-15 5:15am

Thank you for trying to help, I highly appreciate it.

I am creating document viewer in code, while your suggestion seems to refer to document viewer created in XAML.

Still, I have created document viewer in XAML and tried to set the language as explained in the links you provided. No progress, it still kept English.

I have copy/pasted your suggestion (myDocumentViewer.Language = "<object xml:lang='de-DE'/>") in my code behind, but it did not compile.

again, thank you for trying to help.

Sergey Alexandrovich Kryukov 14-Nov-15 6:16am

I'm just curious, what do you want to achieve with that property. What "setting language to German" is supposed to do?
So far, you were just trying to read, not set anything...
—SA

AlwaysLearningNewStuff 14-Nov-15 7:50am

What "setting language to German" is supposed to do?

I am trying to set the language of the DocumentViewer to German, so its toolbar and searchbox can display text in their tooltips on German.

I'm just curious, what do you want to achieve with that property.

I am new to WPF, so after doing some research I found that property.

It should change the language of the control, at least that is how I understood it from reading the official documentation.

So far, you were just trying to read, not set anything...

I apologize for my ignorance, but as I have said earlier, I am very new to WPF.

Sergey Alexandrovich Kryukov 14-Nov-15 12:06pm

What a second... Why do you think that display of German text will ever require "lang" to be German?! :-)
You can display text in any language in any string, even mix many of them.
That was the purpose of my question.

Please, no need to apologize. But it was enough to look at the MSDN help page...

—SA

AlwaysLearningNewStuff 14-Nov-15 13:39pm

I have no control of the DocumentViewer, I need to set its language to German so its children can pick it up too.

I want DocumentViewer's toolbar and searchbox to have German tooltips.

I still don't understand your comment, if it was meant to be a solution.

Can you simply show me how to do what I have asked?

Sergey Alexandrovich Kryukov 14-Nov-15 22:12pm

No. Think at this: what does it mean, "set language to German"? What? Did you even think about it, really?
—SA

AlwaysLearningNewStuff 15-Nov-15 5:03am

Did you even think about it, really?

I am having other responsibilities/problems, both in programming and personal life, so I am in a heavy time crunch.

Furthermore, I am new to WPF so I do not know in which direction to think.

I have listed all my attempts/research done to solve the problem. At this point, it is the most effort I can invest.

Think at this: what does it mean, "set language to German"? What?

I really have no time for guessing games, due to reasons I wrote above.

I thought I was asking for a simple thing, which should be easily done in 2 lines of code.

I just want DocumentViewer to have German tooltips, nothing more. I have never dreamed that it would be this difficult to find a solution...

Sergey Alexandrovich Kryukov 15-Nov-15 11:40am

Time crunch is totally irrelevant, by one simple reason. You cannot go into detail without getting the main thing. If your timing it tough, jumping over a the most principle point can only make it worse. Even your "attempts" are irrelevant this time.

And of course, solving any problems without having a clue what should be achieved can be even worse waste of time.

I'm repeating my question, what do you expect from setting language to German? what behavior are you expecting to achieve. Here is what I think: there is no useful behavior. You can use German or any other language without setting any specific language tag. If you think you cannot, please explain. You think that you are asking simple thing? Not yet. I mean, the matter of your problem might be simple, but it's possible that you mentally complicate things, and, with some misconception, you make the question itself also enormously complicated.

(I'll explain how it looks to me. Say, one asks us how to calculate some acceleration of a freely falling body. Answering would be simple if not the way the question is asked. Say, it sounds "I know all about achieving the goal, my only problem is that I don't know how to calculate the density of gravity demons and the force applied by each one". Would it be easy to answer then? So, please think, aren't you are asking about some "language demons"? :-)

Wait a minute... I'm afraid to ask, but don't you expect that changing of the language tag will somehow miraculously cause automatic translation of English tooltips into German? Sorry if I wrongly assumed some silly thought...

—SA

AlwaysLearningNewStuff 15-Nov-15 12:44pm

I'm afraid to ask, but don't you expect that changing of the language tag will somehow miraculously cause automatic translation of English tooltips into German?

Yes! Isn't that what documentation for xml:lang and Language states?

If you set it to "de-DE" then Language changes from default English to German, then tooltips should change from English to German, right?

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Sergey Alexandrovich Kryukov · Answer 1 · 2015-11-15T07:31:00

I commented the question and asked:
I'm afraid to ask, but don't you expect that changing of the language tag will somehow miraculously cause automatic translation of English tooltips into German?

AlwaysLearningNewStuff finally replied:

Yes! Isn't that what documentation for xml:lang and Language states?

If you set it to "de-DE" then Language changes from default English to German, then tooltips should change from English to German, right?

Of course not. It's not just "not", it's "of course not".

Please read my last comment where I talked about "gravitation demons". If you think that there are some demons inside a computer who translate any arbitrary text, tooltip or not, into one of the languages listed in the standard set of culture info, don't hold your breath. This thinking is in general counter productive and has nothing to do with your knowledge of WPF you are trying to refer to. Better look at any automatic translation tool. I'm less sure about translations between such close languages as English and German, but translation between some other languages is the infinite source of jokes. At the modern level of linguistic science and technology, this can only be a good translation assistant, never a translator…

Sorry for the inconvenience. :-)

—SA