We are developing projects using Telerik controls. Including 1 module with zoom feature for RadGridView. I ran your sample in link (https://www.telerik.com/forums/scale-font-with-grid-width#dO4Kn_YdzEW3UENkNr5GUg) .

But there was a problem when I zoomed out. Border in row is lost, and this disappearance is asynchronous (In the photo attached). You can consider this issue not help me?

Hello, 

I've just started reviewing RadScheduleView with the intent on connecting it with data in a SQL database. While reviewing the documentation at 

https://docs.telerik.com/devtools/wpf/controls/radscheduleview/populating-with-data/binding-to-database/binding-to-db-datatier

I noticed the table definition for SqlAppointments has the column definition SqlAppointmentId as type Int. I expected to find a property of type Int in the Appointment class, but found only the property UniqueID of type string.

During test, the UniqueID property produces a value that looks to be a GUID. There are no properties within the class definition that would seem to support the database column type.

What is the designed primary key for synchronizing database records with in-memory runtime instances of an appointment?

The exception occurred when we clicked the RadComboBox to update the items.

EXCEPTION :System.ArgumentNullException: Value cannot be null.
Parameter name: key
   at System.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument)
   at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
   at Telerik.Windows.Automation.Peers.RadComboBoxAutomationPeer.CreateItemAutomationPeer(Object item)
   at System.Windows.Automation.Peers.ItemsControlAutomationPeer.GetChildrenCore()
   at Telerik.Windows.Automation.Peers.RadComboBoxAutomationPeer.GetChildrenCore()
   at System.Windows.Automation.Peers.AutomationPeer.EnsureChildren()
   at System.Windows.Automation.Peers.AutomationPeer.UpdateChildrenInternal(Int32 invalidateLimit)
   at System.Windows.Automation.Peers.ItemsControlAutomationPeer.UpdateChildren()
   at System.Windows.Automation.Peers.AutomationPeer.UpdateSubtree()
   at System.Windows.Automation.Peers.AutomationPeer.UpdateSubtree()
   at System.Windows.Automation.Peers.AutomationPeer.UpdateSubtree()
   at System.Windows.Automation.Peers.AutomationPeer.UpdateSubtree()
   at System.Windows.Automation.Peers.AutomationPeer.UpdateSubtree()
   at System.Windows.Automation.Peers.AutomationPeer.UpdateSubtree()
   at System.Windows.Automation.Peers.AutomationPeer.UpdateSubtree()
   at System.Windows.Automation.Peers.AutomationPeer.UpdateSubtree()
   at System.Windows.Automation.Peers.AutomationPeer.UpdateSubtree()
   at System.Windows.ContextLayoutManager.fireAutomationEvents()
   at System.Windows.ContextLayoutManager.UpdateLayout()
   at System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)
   at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
   at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
   at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
   at System.Windows.Interop.HwndTarget.OnResize()
   at System.Windows.Interop.HwndTarget.HandleMessage(WindowMessage msg, IntPtr wparam, IntPtr lparam)
   at System.Windows.Interop.HwndSource.HwndTargetFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)

Is it possible to change the background of the selected TreeListView HeaderCell? Customers complain that the solid background of the currently sorted column can be distracting.

We would prefer a white background with a thick underline as in the screenshot. We already tried changing the style of GridViewHeaderCell, but unfortunately, this doesn't apply to the sorted/selected column.

Is there a way to achieve this without duplicating the entire template?

Best Regards,

Martin

Hello,

I have problem with setting custom position of rectangle shapes on the diagram using server-side data binding with SQL DataSource.

these are diagram settings:

There are no problems with displaying and connections, everything is working fine. since I want to display diagram shapes on custom position (not randomly) I've set DataXField and DataYField to set specific position for each shape, but as a result I have same display as if those attributes are not set. It looks like they are somehow ignored.

Attached files:

• sample data from DB - samledata.png
• what I get as a result - defaultPreview.png
  
  • position on page source - defaultXYValues. As You can see these are default values, starting from position 50,50...

Can someone advice what I'm doing wrong?

Thanks in advance,

Stefan

Hi 

I am binding RadCombobox ItemSource with  IEnumerable<Telerik.Windows.Data.EnumMemberViewModel> type enum Values and SelectedItem with one of the viewModel property of type enum but it is not working.

How to bind Radcombobox with Enum Values and property of type Enum as selectedItem.

Regards,

Nagasree

I have a problem with my RadGridView not updating when new items are added to the source collection. 

The ItemSource for my RadGridView is bound to a QueryableCollectionView which is created using a Caliburn.Micro BindableCollection e.g. new QueryableCollectionView(myBindableCollection).

I have several filters that I add as FilterDescriptors and CompositeFilterDescriptors to the QueryableCollectionView. And the filters works as they should.

The problem comes when I want to add a new item. The item is added to the BindableCollection and should show up in the RadGridView. However, this does only work when there is no FilterDescriptors on the QueryableCollectionView. 

What I have tried:

1. To NotifyOfPropertyChanged on the QueryableCollectionView 

2. To NotifyOfPropertyChanged on the BindableCollection

3 To run QueryableCollectionView.Refresh()

But none of the above has worked. 

What seems to work though is to remove all the FilterDescriptors and add them back again. Then the new item appears. But it doesn't seem like a good solution.

Is there anything else that I can try?

We have the Problem, that the Users can't Paste Plain Text from Clipboard (Cut out from our old Delphi Win32 Applikation) in the RichTextBox.

If it is RTF or HTML Text it Works, but not with Plain Text, what we are missing ?

As Workaround the User can Cut the Text out in the old Application, paste it e.g. in an new eMail (HTML) Body, Mark it again to put in Clipboard and then they can Paste it in the RichTextBox, but that can't be the way.

In the section 'Clipboard' in the RichText Documentation stands that first the insert try RTF second HTML and third Text, but this doesn't work.

Can you please help me ?

Greetings

T. Schmitz

My chart draws a CartesianCustomAnnotation showing an ellipse that is meant to skirt up the curve in my profile line  I bind the annotation's HorizontalValue and VerticalValue properties to the center point of the ellipse.   I've attached an image to show what it looks like.  

The problem is that if my profile curve is gradual, the ellipse gets so big that it the center point is actually outside of the chart axis Minimum/Maximum values.   As soon my annotation's HorizontalValue or VerticalValue is outside the boundaries, the chart stops drawing it at all.  Even if its radius means that it *would*, in fact show up in part on the display (which is what I want).

Is there a way to force the chart to draw my annotation regardless of where its origin lies?