Hi, 

Recently I have changed my WPF application Root window from Window to RadRibbonWindow and this RadRibbonwindow is not loading application Icon from embedded resources. What do I need to do, to make RabRibbonWindow load an icon "ico" from resources automatically? My all other Windows are loading Icon from embedded resources automatically.

Hello,

it seems the radtimepicker is always using the US Date format. Why is it not using the the host machine localisation ? The problem is now I can not easily convert to date time (even though only the time portion is relevant ) . Please see attached screen shot. Here in South Africa our machines are set to DD/M/YYYY plus time but the timepicker is return the full date in us format M/DD/YYYY plus time.

Hello,

i am upgrading an old project that uses .NET 3.5 and Telerik UI for WPF 2012.x to the latest .NET and Telerik UI versions. I have a GridView whose ItemsSource is bound to a RadObservableCollection provided by a MVVM viewmodel. As i rememder i used this collection because of the RemoveRange-method which had some performance benefits compared to the ObservableCollection.Remove-method (suspending the collectionchanged-events).

But now i have the problem, that, if a least one column is sorted, not the correct rows are removed. The rows removed are those, that are in the place of the rows i want to delete if the table were unsorted. Deleting from an unsorted GridView works fine. If i use the Remove-method in a loop instead of the RemoveRange deleting works as expected in sorted and unsorted GridViews.

Is it not longer recommended to use the RadObservableCollection as an ItemsSource for a GridView or is it a bug?

Hi,

I have a GridView with a GridViewCheckBoxColumn that is bound to a 'IsSelected' property of an entity. 

The entity also has a property 'NetLength'.  The entities are grouped by some other property.  Each time an entity gets checekd or unchecked, I need to calculate the sum of NetLength.  I've done that by adding a custom aggregate funcion in code behind.

Now, all this works fine except for the fact that the bounded property 'IsSelected' only gets changed when the row changes.  Also my total of NetLength is recalculated only when row changes.  How can I force the calculation to be done at the moment the checkbox is checked/unchecked ?

In Winforms, the GridViewCheckBoxColumn has a property 'EditMode' which can be set to 'OnValueChange'.  Is there something similar in WPF ?

Regards,
Hans

Hi,

I am unable to persist the group filters of RadPivotFieldList.

Please suggest a way for the same.

Regards,

Swapnil

Hi,

I was wondering if the RadPane supports child application window handles. That is, i'm starting a new child process within my application and I want it to live inside one of the panes i've created. I can create the application and set the parent as the main window, but can't figure out how to make it live inside the pane. Any idea?

Thanks

Hi,

I wanted to validate that UI for WPF has the same requirements as Winforms for redistribution of a free application. I would like to make my software available online free (not open source,  and not the source).

I understand that the WPF assemblies need locked and a copyright for portions of the UI for progress/ telerik, but is there any other requirements for redistribution a free application using the UI for WPF?

I do understand how to lock down the assemblies just want to ensure I meet all requirements set. Note I do have a license, and am currently following the below URL instructions on how to lock the wpf assemblies.

https://docs.telerik.com/devtools/wpf/licensing/protecting-telerik-assembly

I've got the following buttons:

If I set the Glyph property to something like {StaticResource GlyphGear} then this works.  However when I try to bind to it, the button fails to render and as far as I can tell there is no error.  I have tried setting the bound value to the "" and "GlyphGear" and tried with and without the StringToGlyphConverter with no luck.  What am I missing?

in the Resources i define the text format for TimelineItemTemplate

<DataTemplate x:Key="ItemWithDurationTemplate">

<TextBlock  Foreground="Black" FontFamily="Segoe UI" FontSize="12"  Text="{Binding  Path=DataItem.recognitions}">

</DataTemplate >

TimelineItemTemplate="{StaticResource ItemWithDurationTemplate}"

How can I change the font size when the mouse  is scrolling?

Shoule i use the Radtimeline_MouseWheel event?

Hi,

I've a performance problem with the charts.
Background:

- It's a C# / WPF application mit MVVM Pattern
- Variable amount of Lines Series. My test scenario was with 15 Lines.
- Amount of datapoints of each line: First scenario = 2.000, Second Scenarion 20.000
- Horizontal Axes = DateTime
- Approx time to show the chart: First scenario around 2 seconds, Second Scenarion around 10 - 15 seconds

You can find my XAML Code attached.

How can I improve the performance ?
It can be that a value is the same over a time. For now I have for example for every 15Minutes a point. Even if it's the same value over the whole day.
Is it possible to define one point and to say that it is the same for x hours instead of have hundreds of points ?


Regards
Stefan