Approved
Last Updated: 01 Nov 2019 08:45 by ADMIN
Created by: Werner
Comments: 0
Category: TreeView
Type: Bug Report
0
If customers try to load struct or readonly struct into the TreeView, the items does not get displayed.
Approved
Last Updated: 22 Oct 2019 11:57 by ADMIN

Above the TreeView there is a Telerik.SegmentedControl, with two segments. If I click on one of the segments the ItemsSource of the TreeView gets updated by using .Add() or Remove() of the ObservableCollection.

If every Segment is called for the first time there is no problem. But if I want to clear all Items and display the empty treeView I get the following Exception.
Java.Lang.IndexOutOfBoundsException: 'Inconsistency detected. Invalid item position 0(offset:-1).state:14 md5a5af569a83c1a3f5c3a8a63bd7d39860.RadExtendedListView{c6376f1 VFED..... ........ 0,0-1200,840 #5}, adapter:com.telerik.widget.list.ListViewWrapperAdapter@b30041b, layout:android.support.v7.widget.LinearLayoutManager@3fd42d6, context:md5db22775bb305bf9756607f4261793d51.MainActivity@1d6cd4f

Approved
Last Updated: 06 Dec 2019 20:07 by ADMIN
When you have custom ItemTemplates defined with different height, scrolling up through the items causes flickering, also you cannot scroll down to display all the items.
Completed
Last Updated: 23 Oct 2019 12:26 by ADMIN
Release R3 2019 SP
when custom renderer is registered, it is not applied to the TreeView control. The default one overrides the custom one.
Approved
Last Updated: 08 Oct 2019 09:24 by ADMIN
If there is an input control (Editor, Entry) inside the ItemTemplate of the TreeViewDescriptor and its Text is bound to any property of the data item, changing the ItemsSource of the TreeView raises an exception of type AccessViolationException.
Under Review
Last Updated: 17 Oct 2019 14:08 by ADMIN

Scrolling a TreeView with expandable items on iOS causes items to randomly change position in the control and prevent items from being selected.
This renders the control unusable on iOS when expandable items are present.

I've attached a basic project that demonstrates the issue.
The project just needs the latest Telerik binaries added to it. They were too large to include.

I believe this is the same issue Martin was experiencing in the comments of https://feedback.telerik.com/xamarin/1427193-treeview-ios-wrong-visualization-with-custom-itemtemplate

Completed
Last Updated: 19 Nov 2019 12:07 by ADMIN
Release 2019.3.1119 (R3 2019 minor release)
When using MvvmCross framework to load data when the View appears on the screen the ListView cannot be scrolled. It starts jumping rapidly instead.

Workaround:
Load the data in the constructor of the respective ViewModel instead inside its ViewAppearing() method.
Completed
Last Updated: 23 Sep 2019 18:31 by ADMIN
Release R3 2019
When the custom ItemTemplate sets bigger value of its Height e.g. more than 44 pixels, the content of the UITreeViewCell is not sized correctly. Only the cell gets the correct value.
Approved
Last Updated: 14 Jun 2019 14:17 by ADMIN
Created by: Safan
Comments: 0
Category: TreeView
Type: Bug Report
11
When you have longer text shown in TreeView items and it is wrapped in 2 or 3 rows, the text is clipped incorrectly.
Completed
Last Updated: 03 Jun 2019 14:33 by ADMIN
Release 2019.2.603.360 (R2 2019 minor release)
Created by: Safan
Comments: 0
Category: TreeView
Type: Bug Report
0
If the control is not yet visualized on the screen and the method is invoked an exception is thrown.
Completed
Last Updated: 19 Jun 2019 12:47 by ADMIN
Release R2 2019 SP1
When TreeView has a source with more than 120 items and is placed inside a StackLayout, it is not properly rendered (Layout Cycle Detected exception is raised).
Completed
Last Updated: 18 Mar 2019 15:52 by ADMIN
When we have grouping enabled and 2 properties with same name (i.e. TestId and TestID), the ListView is not rendering (or at least not showing any records)
In Development
Last Updated: 18 Mar 2019 09:44 by ADMIN
If items are loaded on demand and treeview is placed inside StackLayout, when collapsing and expanding items, at some point the rendering is messed up.
Approved
Last Updated: 18 Feb 2019 11:50 by ADMIN
Created by: VPS
Comments: 0
Category: TreeView
Type: Bug Report
11
Currently if the TreeView has deeper hierarchy or items with longer text, the end user will not be able to scroll horizontally.
Completed
Last Updated: 20 Feb 2019 12:49 by ADMIN
Created by: Shawn
Comments: 1
Category: TreeView
Type: Bug Report
0
Trying to collapse an item after reinitialization of the RadTreeView causes the exception. The scenario can easily be recreated if all items from the ItemsSource are removed one by one and then added again then expand and collapse an item.
Completed
Last Updated: 03 Jun 2019 14:33 by ADMIN
Release 2019.2.603.360 (R2 2019 minor release)
When the collection set as ItemsSource of the TreeView is cleared and new item is added, an exception of type NSInternalInconsistencyException is raised on iOS.
Also clearing the ItemsSource is not reflected in TreeView.
Declined
Last Updated: 07 Jun 2019 08:50 by ADMIN
TextCellTextColor property of the TreeViewItemStyle is not respected.
Completed
Last Updated: 09 Nov 2018 13:46 by Olivier
When CollapseAll method is called, if the first element is out of the screen (after a scroll), the treeview crashes.

Available in minor release 2018.3.1109. It will also be available in the R1 2019 release.
Completed
Last Updated: 21 Jan 2019 06:00 by ADMIN
Calling TreeView's CheckItem method when the control is loaded, so that you mimic a "pre-checked" TreeView results in NullReferenceException in RadTreeView.Checkbox ToggleItem method.
Completed
Last Updated: 28 Aug 2019 10:14 by ADMIN
Release 2019.2.708 (R2 2019 minor release)
When there is custom template applied that hosts multiple rows of UI components with total height greater than 44, the template is not measured correctly, leading to wrong visualization.
1 2