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Read a textblock with zero size
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This is a migrated thread and some comments may be shown as answers.
Mostafa
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Mostafa asked on 21 Sep 2012, 03:46 PM

Hi Telerik Team,
I am facing problems with a zero sized textblock.

I used this, because Telerik Test Studio can't see the properties of my UserControl.
So I put a zero sized textblock directly under this UserControl.  (See Screenshot 1 & WPF-Code).

               
<StackPanel Grid.Column="1" Grid.RowSpan="2">

             <ToggleButton x:Name="PlayButton"

                              Margin="3,0,0,0"

                              Content="{StaticResource PlayShape}"

                              HorizontalAlignment="Center"

                              VerticalAlignment="Top"

                              Foreground="#FFFFFFFF"

                              Style="{StaticResource CJ_ToggleButtonStyle}"

                              RenderTransformOrigin="1.053,0.985"

                              Height="50"

                              Width="80"

                              ToolTipService.ToolTip="{Binding Path=LanguageResources.Play_Pause, Source={StaticResource Localizer}}"/>

                    <TextBlock x:Name="QAPlayerTimeCode" Width="0" Height="0" ></TextBlock>

                </StackPanel>

I try to add this Control over the DOM Control (because I can't see it). But when I do this, a second project is created (!). (See Screenshot 2).

And during runtime I get an exception, because appIndex  is "-1".

ArtOfTest.WebAii.Controls.HtmlControls.HtmlControl plugin = Get<ArtOfTest.WebAii.Controls.HtmlControls.HtmlControl>("tagname=object", "type=~application/x-silverlight");
int appIndex = plugin.OwnerBrowser.GetSilverlightAppIndex(plugin);

How can I access this control?
If it is visible (hight and width over 1px) a can add and access it. But I need to use "hidden" Controls.

Greetings
Mostafa

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Mostafa
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answered on 25 Sep 2012, 02:10 PM
I think that the solution with the Zero Sized TextBox is not a practicable way ... if I imagine that we had in the whole application hundreds of these invisible text boxes......

Therefore I would like to ask, what do we need to do? so that we can retrieve public properties of non-Telerik-user controls??  (eg through implementation of specific interfaces or similar).
do you have any suggestions??

Best regards,
Mostafa

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Plamen
Telerik team
answered on 26 Sep 2012, 08:04 AM
Hi Mostafa,

In order to use the properties of your custom user control, you can create a Wrapper class for that control. Take a look at this thread from our Code Library section. You'll also find a sample project attached to the second post. 

Please give it a try and let me know if you need further assistance on this.

Kind regards,
Plamen
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Mostafa
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answered on 28 Sep 2012, 12:58 PM
thanks for the solution, it worked ;)
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Plamen
Telerik team
answered on 28 Sep 2012, 01:00 PM
Hi Mostafa,

Glad to hear it! Thanks for the update.

Regards,
Plamen
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Mostafa
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Plamen
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