Last Updated: 01 Nov 2019 14:52 by ADMIN
Release LIB 2019.3.1104

If you set the SelectedIndex after an item is added in the Items or ItemsSource of RadListBox, the selection doesn't work. 

To work this around, use the SelectedItem property instead of SelectedIndex.

Last Updated: 16 Jul 2019 13:46 by ADMIN
Release LIB 2019.2.722 (7/22/2019)
This behavior is also reproduced in RadFileDialogs in the FileBrowserListBox which inherits RadListBox.

As a workaround you can set the IsScrollIntoViewEnabled property of the RadListBox to false
Last Updated: 03 Jul 2019 13:21 by ADMIN
Release LIB 2019.2.708 (7/8/2019)
If you host a RadMaskedTextInput control in the listbox items and focus the input, then pressing Space will send the focus to the corresponding RadListBoxItem instead of adding an empty space character into the text input.

To work this around, create a custom RadListBox control and override its HandleKeyboardInput method.
public class CustomListBox : RadListBox
    protected override bool HandleKeyboardInput(Key key)
        if (key == Key.Space)
            return false;
        return base.HandleKeyboardInput(key);
Last Updated: 07 Dec 2018 13:53 by ADMIN
Created by: Stefan
Comments: 0
Category: ListBox
Type: Feature Request
Last Updated: 06 Dec 2018 09:42 by ADMIN
ArgumentOutOfRangeException is thrown when calling the ScrollIntoView method with an invalid index and the control is grouped.

Scheduled for:
The fix for this issue will be available with LIB (version 2018.3.1210) scheduled for publishing on Monday, 10th December 2018.
Last Updated: 11 Jun 2018 13:59 by ADMIN
SelectionChanging event could be added for preventing selection in code, just like SelectionChanging event in RadGridView and PreviewSelectionChanged in RadTreeView
Last Updated: 07 Jun 2018 06:35 by ADMIN
Last Updated: 08 Feb 2018 15:03 by ADMIN
Available in LIB version 2018.1.205, it will be also available in the R1 2018 SP2 Release.
Last Updated: 07 Jun 2018 06:33 by ADMIN
Last Updated: 25 May 2017 14:24 by Alan
It would be great to have ScrollPositionIndicatorTemplate for RadListBox, similar to RadGridView (see RadGridView's implementation here

Introduce a feature where a scroll position indicator is displayed when the deferred scrolling is enabled (ScrollViewer.IsDeferredScrollingEnabled=True). The scroll indicator is a small tooltip displayed next to the scrollbar and displaying information about the potential item that should be displayed at the top of the viewport. 

This is the same as in RadGridView's ScrollPositionIndicator. You can check this in the following help article: ( See also the attached video.
Last Updated: 28 Mar 2018 11:57 by ADMIN
The issue can be reproduced in a scenario in which there are a RadListBox and a RadGridView defined and their SelectedItem properties are bound to the same property in the view model. The source collection of RadListBox contains some objects present in the one bound to RadGridView's ItemsSource. If the user selects an item in RadGridView that is also present in the items of RadListBox, the selection is performed in both controls as expected. However, when already having a selected item in both controls, if the user selects an item in RadGridView that is not present in the items of RadListBox, the selection in RadListBox is not cleared. Thus, in order to selected the previously selected item, it needs to be deselected and selected again.

After the researching the issue, it seems that the logic for handling the case when a SelectedItem that is not present in the source collection is being set is slightly different for Silverlight and WPF. For the WPF version of the control a DependencyProperty.UnsetValue is used, whereas a null value is set for the Silverlight RadListBox. Thus, in Silverlight the selection is cleared and in WPF it is not. I am afraid, that we cannot commit ourselves to modifying this by-design implementation, as this will result in a braking change. With this in mind, I will update the status of the logged bug to Declined.

What we can suggest as a workaround, would be to define a second calculated property in the view model and bind the SelectedItem of RadListBox to it. The logic in the property setter would be to set a null value if the SelectedItem is not present in the source collection of RadListBox.
Last Updated: 15 Feb 2017 15:13 by ADMIN
A workaround is to use the SelectedItem of the control and get the value of the needed property of the item.
Last Updated: 27 Feb 2017 08:28 by ADMIN
Created by: Nasko
Comments: 0
Category: ListBox
Type: Bug Report
Available in the R1 2017 SP1 Release.
Last Updated: 05 Sep 2017 06:08 by ADMIN
As a workaround, the ScrollingSettingsBehavior.ScrollStep attached property of the RadListBox control can be set to a value equal to that of the Height of the RadListBoxItems.

Available in R3 2017 Official Release Version.
Last Updated: 26 Jan 2016 13:53 by ADMIN
Can be reproduced when RadListBox is placed inside a Grid, a StackPanel with horizontal orientation or a WrapPanel.

Available in LIB version 2016.1.125, it will be also available in the 2016 Q1 SP1.
Last Updated: 04 Jan 2017 07:34 by Alex
Currently only the "Up" and "Down" keyboard keys perform navigation. It would be useful if the "Left" and "Right"keys are also used for navigation.

The navigation should be as follows:
- Left goes left
- Right goes right
- Up goes up
- Down does down
Last Updated: 13 Jan 2016 15:14 by ADMIN
Available in the 2016 Q1 Release.
Last Updated: 28 Apr 2016 15:26 by ADMIN
The "auto scroll into the view on selection" functionality does not to work as expected if the ItemsPanel is changed and a selection was previously done.
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