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Syncfusion Feedback

TreeviewAdv + Scrolling

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140626 Oct 29,2018 04:01 PM UTC Apr 9,2019 08:43 AM UTC WPF 4
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Tags: TreeViewAdv
Forstmeier Peter
Asked On October 29, 2018 04:01 PM UTC

Hi all together,
i'm using
Grid.Row="1">

Name="Tree"

AllowDragDrop="True"
DraggingContainerOpacity="0.4"
IsFakeDragIndicator="True"

AnimationType="Slide"
AnimationSpeed="3"

ItemsSource="{Binding ProjectsView}"
SelectedTreeItem="{Binding SelectedProject,Mode=TwoWay}"
IsVirtualizing="True"
VirtualizationMode="Normal"

DragEnd="Tree_DragEnd"
RequestBringIntoView="Tree_RequestBringIntoView"
>


ItemsSource="{Binding SubProjects}" >
Content="{Binding}"
ContentTemplate="{StaticResource ProjectsSelectionTemplate}" />






Header="Nur laufende Projekte" Command="{Binding OnlyActiveCommand}">
Header="Alle Projekte" Command="{Binding ShowAllCommand}">




EventName="MouseDoubleClick">

Command="{Binding EntitySelectedCommand,diag:PresentationTraceSources.TraceLevel=High}" >






and have seriuos problems witn Scrolling.
Is there any example how to scroll with MVVM. Going from the end of a list to top or vis versa there is no scrolling at all
Thanks
Peter


Arulraj A [Syncfusion]
Replied On October 30, 2018 12:18 PM UTC

Hi Forstmeier  

Thank you for contacting Syncfusion Support. 

We have checked the reported case with TreeViewAdv and we faced the reported scrolling issue with TreeViewAdv when Virtualization is enabled. So we have planned to revamp the scrolling calculation in Virtualization mode and revamp the implementation of TreeViewAdv. We planned to complete this by end of December, 2018.  

We appreciate your patience until then.  

Arulraj A 


Ondrej Svoboda
Replied On April 3, 2019 11:56 AM UTC

Hi,
I'm having the same problems with scrolling in TreeViewAdv when virtualization is enabled.
Do you have any solution for it?

Thanks
Ondra 

Sabaridass Ramamoorthy [Syncfusion]
Replied On April 4, 2019 01:01 PM UTC

Hi Ondra, 
 
The improvement for this reported problem is under proper tracking in our side. Based on our analysis process, we need to do some improvements in our Virtualization feature to solve this scenario. Hence we will update you more details on April 8, 2019.

Please let us know if you require further assistance. 
 
Regards, 
Sabaridass R 


Sabaridass Ramamoorthy [Syncfusion]
Replied On April 9, 2019 08:43 AM UTC

Hi Ondra,

Thanks for your patience.

As per your request, we are trying to implement your requirement regarding improving the performance of TreeViewAdv. This improvement would require some major changes in our existing architecture hence it takes a considerable amount of time to implement as considering the stability of our control. We have planned complete this implementation for our Volume 3, 2019 release.

We appreciate your patience until then.

Regards, 
Sabaridass R 


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