Hi everyone!
I stumbled upon this problem few days ago in one of our applications and I verified the same issue in Telerik demo application too.
In few words, RadRichTextBox can't paste a selection copied from a Google Document bullet list.
To reproduce the issue, simply create a new Google Document and insert a bullet list (single or multi-level, it doesn't matter) then select some bullet elements and copy them in the clipboard.
If you try to paste in a RadRichTextBox control, nothing is gonna be pasted.
As a further indication, I tried some more moves before opening this thread: given that the clipboard has an "HTML Format" data chunk, first I verified that the chunk was visualizable in a browser, and it was.
Then I tried to import it with a HtmlFormatProvider then add the content as a DocumentFragment and the result was that nothing was added.
So I tried to extract the text from the HTML chunk, using a TxtFormatProvider, but the result was an empty string.
I think the two issues are related: nothing is pasted in the editor because the html importer returns an empty content.
I'm looking forward to hear about a possible solution or workaround.
Thanks in advance.
Fabrizio

Good day, I have a GridView with following style and Theme set to Fluent:
<Style x:Key="TelerikGridViewStyle" TargetType="telerik:RadGridView">
<Setter Property="telerik:StyleManager.Theme" Value="{StaticResource TelerikTheme}"/>
<Setter Property="RowIndicatorVisibility" Value="Collapsed"/>
<Setter Property="AutoGenerateColumns" Value="False"/>
<Setter Property="IsReadOnly" Value="True"/>
<Setter Property="CanUserFreezeColumns" Value="False"/>
<Setter Property="FrozenColumnsSplitterVisibility" Value="Collapsed"/>
<Setter Property="EnableRowVirtualization" Value="True"/>
<Setter Property="EnableColumnVirtualization" Value="True"/>
<Setter Property="ScrollMode" Value="RealTime"/>
<Setter Property="GroupRenderMode" Value="Flat"/>
<Setter Property="ShowGroupPanel" Value="False"/>
<Setter Property="SelectionUnit" Value="FullRow"/>
<Setter Property="FontSize" Value="12"/>
<Setter Property="RowHeight" Value="15"/>
</Style>
My grid has a lot of columns, so I enabled horizontal scrollbar to fit all the data. The problem is, my grid would frequently contain only one row, and with current style and Fluent theme it looks good in a normal view with a thin scrollbar (see picture 1), but as soon as my mouse hovers over the scrollbar to scroll to another set of columns, scrollbar expands and becomes so wide it covers that only row of data I have (see picture 2).
Is there any way to keep thin scrollbar style from picture 1 even when using it?
I am facing problem with column width autoresizing.
I have code like that bellow.
<RadGridView ItemsSource="{Binding SomeObservableCollection}">
…
<RadGridView.Columns>
<GridViewDataColumn Header="First" DataMemberBinding="{Binding NameSource}" MinWidth="60"/>
<GridViewDataColumn Header="Second" DataMemberBinding="{Binding ValueSource}" MinWidth="145"/>
</RadGridView.Columns>
</RadGridView>
Columns auto resizing work well but only in one way. One time the width is increased never until new app start is decreased. I want width fit to content on each column all the time but never be thinner then MinWidth property value.
I have search very much but I have found no solution. For WPF there is not Autoresizing behaviour or Autoresize or BestFit method. Even if I set the Width property programmatically the ActualWidth property value never changes. I definitely call UpdateLayout on RadGridView.
Is there some simple solution?
Thank you very much.
Hello,
I am using the RadTreeView control to give the user a way to arrange and sequence many items, and all of its features have been great for customizing the various ways to interact with the items. The issue I am currently having is when many items are selected for a drag and drop operation, sometimes upwards of 400 at a time, the drag is very slow to initialize, the drop preview becomes sluggish, and the drop operation itself takes several seconds to complete. When selecting just a few items (under 30 or so..) there are no noticeable delays.
For my application specifically I use MVVM, and I must use Windows.Forms.Integration.ElementHost since I am plugging into a framework/environment that is not in my control. Both of these factor into performance, but even using the RadTreeView in a standalone WPF application the slowdowns can be observed.
Here is my instance of the treeview to give some context with the settings I am using:
<telerik:RadTreeView SelectionMode="Extended" IsDragDropEnabled="True" IsDragPreviewEnabled="False" IsDragTooltipEnabled="True" IsDropPreviewLineEnabled="False" IsEditable="True" Grid.IsSharedSizeScope="True" telerik:ScrollingSettingsBehavior.ScrollStep="40" telerik:ScrollingSettingsBehavior.ScrollStepTime="00:00:00.01" telerik:ScrollingSettingsBehavior.ScrollAreaPadding="40" telerik:AnimationManager.IsAnimationEnabled="False" IsVirtualizing="False" IsExpandOnDblClickEnabled="True"> </telerik:RadTreeView>
Do you have any recommendations for what I can change to improve the experience when drag and drop is performed on so many items?
Thanks!

Dear Telerik-Team!
Basically I came to your site because I want to create an enhanced Class Diagram Designer for my application - and I was amazed by your Diagram editor's capabilities. I saw that you have a basic screenshot for designing entities at http://www.telerik.com/products/wpf/diagrams.aspx.
But unfortunately none of your forum posts, tutorials or examples mentioned that use case.
So I try to lay out what I would like to achive. I'm aiming to create a class designer similar to - but richer than - the Microsoft Visual Studio Class Designer.
The following constraints I have
- Layout/looks should be adaptable (this works with your control from what I have seen)
- workflow as described should be possible to achieve
The workflows are the following:
Scenario one
01CreateClass.png - I would like to create a class
02CreateProperty.png - Add a property to it. Notice that it should be grouped to a region called "Properties"
03NameProperty.png - Specify the name of the property
04NamePropertyEnd.png - Picture shows how it should look like in the end.
Scenario two
05PropertyForEnum.png - Let's add another property called "BookStat"
06EnumCreate.png - Now we create an Enum for that - this should have a different look/shape than a class shape
07AddEnumValue.png - Let's add a value to the Enum
08MakePropertyTypeEnum.png - Now drag a connector from the "BookStat" property to the enum to make it of that type
09PropertyTypeIsEnum.png - A connector should be close to the "BookStat" property connecting to the shape "BookStatus"
Scenario three
10PropertyNoBackReference.png - Create two entities
11PropertyNoBackReferenceAction.png - Drag a connection from the property "Library" of class "Book" to just the class Library.
12PropertyNoBackEnd.png - That means there is no back reference from Library to book. So the connection is put on the shape of "Library" itself
Scenario four
13ReferenceReaderBookStart.png - Create two entities
14ReferenceReaderBookAction.png - Draw the connection from property "Books" of entity "Reader" to property "Reader" of entitiy "Book"
15ReferenceReaderBookEnd.png - This time we have a back reference, so the two properties are converted to a relationship and moved to another region called "Relationships"
Hi,
I am using RadPropertyGrid in one of my projects. I have a set of dynamic values coming to the RadPropertyGrid. And I am using "PropertyGridDataTemplateSelector" to define datatemplate for each fields of the propertygrid based on the incoming data.
I am able to use Togglebutton and AutoBindBehavior.UpdateBindingOnElementLoaded="IsChecked" on the DataTemplate for boolean Types.
Similarly I want to use a customized usercontrol for a user-defined datatype. So I created a dependency property in the usercontrol and tried to do AutoBindBehavior.UpdateBindingOnElementLoaded="<dependencyProperty>". But it is not working.
The Datatemplate is working but AutoBindBehavior.UpdateBindingOnElementLoaded="<dependencyProperty>" is not setting anything to the dependencyProperty of the usercontrol.
Thanks in advance.
Hello!
I have a grid, one column is for edit different data:
<telerik:GridViewDataColumn
Width="*"
CellTemplateSelector="{StaticResource TypeCellTemplateSelector}"
DataMemberBinding="{Binding Value}"
Header="Value" />
TypeCellTemplateSelector chooses DataTemplate:
<templateSelect:SettingCellTemplateSelector.ComboBoxTemplate>
<DataTemplate>
<telerik:RadComboBox
DisplayMemberPath="Description"
ItemsSource="{Binding Value.EnumValue, Converter={StaticResource ValueToEnumConverter}}"
SelectedItem="{Binding Value.Value, Mode=TwoWay}"
SelectedValuePath="Value" />
</DataTemplate>
</templateSelect:SettingCellTemplateSelector.ComboBoxTemplate>
ValueToEnumConverter reterns collection,
BUT when it shows RadComboBox is empty
please can You help me?


In the program code, I create a Radpane and add it to a RadPaneGroup. The user can close the RadPane and open it in the RadRibbon Menu.
How can I realize that a RadPane is only opened once?