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Touch behavior

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AutoCompleteBox
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André
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André asked on 23 Oct 2015, 07:26 AM

Greetings,

 when using WPF UI with a tablet we occur following problem. When touching a AutoCompleteBox nothing happens.

Hope someone can enlighten me, since every other control seems to work.

 

Regards

André

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Georgi
Telerik team
answered on 27 Oct 2015, 01:58 PM
Hi André,

We are not aware of any issues with Autocomplete when it is touched and therefore we will need more information on the matter like:
  • When you tap inside the AutoCompleteBox the focus does not go inside and you are not able to type anything in order the drop down to be opened?
  • Is there any logic when the control is focused?
  • If you use keyboard navigation to open the drop down are you then able to select item using touch?
  • Can the issue be reproduced in our demos?

Also video of the issue and sample project where it can be reproduced would be really helpful.

Looking forward to your reply.


Regards,
Georgi
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Joshua
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answered on 09 Apr 2018, 02:05 AM

I am having the same issue on a Microsoft surface.  In tablet mode on the surface the keyboard automatically shows up for most textbox related controls, but when I tap on the AutoCompleteBox the on screen keyboard does not pop up.  I am trying it with both the WPF Controls Examples program and the demo of Telerik I and currently evaluating.

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Joshua
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answered on 09 Apr 2018, 11:23 PM

After some investigation, my guess is that the AutoCompleteBox does not inherit directly from the WPF TextBox, (or other keyboard enabled controls) and so the Windows OS doesn't know to show the on-screen keyboard when it gets focus.  Documentation for the Windows 8/10 on screen keyboard is very very sparse, so I haven't figured out if there is a way to fix it in code or not.

Would it be possible to override the style of the AutoCompleteBox such that it does use a WPF or Telerik TextBox for user text entry?

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Dinko
Telerik team
answered on 11 Apr 2018, 11:53 AM
Hello Joshua,

We are already aware of this behavior. It is logged in our Feedback Portal where you can track its progress and vote for its implementation. You can try the suggested workaround in the description of the feedback item.

Regards,
Dinko
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Joshua
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answered on 11 Apr 2018, 06:03 PM
Thank you Dinko, for anyone else who clicked the link and it went to a 404 page, the url is actually http://feedback.telerik.com/Project/143/Feedback/Details/207271
I tried the first solution suggested there and it worked fine for me:

public MainWindow()
{
  AutomationManager.AutomationMode = AutomationMode.FrameworkOnly;
  InitializeComponent();
}

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AutoCompleteBox
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André
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Georgi
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Joshua
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Dinko
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Joshua
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