I looked at the document here: https://docs.telerik.com/devtools/winforms/controls/scheduler/importing-and-exporting-appointments/export-to-a-custom-file

However that's not really the question I have.  How are appointments saved without data binding, to a file? The above example is how to save custom data to a file, but I'm trying to figure out how to save appointments that aren't custom.  I'd like to be able to write them out as JSON or something like that, and allow them to be imported that way as well.

I was able to get the list of events, but when I attempted to serialize them using Newtonsofts JSON, it throws an error. 

The error I get is: 

Newtonsoft.Json.JsonSerializationException: 'Self referencing loop detected for property 'Scheduler' with type 'Telerik.WinControls.UI.RadScheduler'. Path 'CultureInfoProvider.SchedulerInputBehavior'.'

Here is the code I was using to iterate over the appointments and attempt to serialize each appointment:

        Dim events As ISchedulerStorage(Of IEvent) = data.GetEventStorage()
        For Each ev As IEvent In events
            Dim jsonEvent As String = JsonConvert.SerializeObject(ev, Formatting.Indented)
        Next

Is there an event that fires when the current time hits the appointment time?

Or should I be using the reminders and setting a time of 0?

If that is the case, is it possible to not render the reminder window at all?  

In short, I want to use the scheduler to schedule appointments (events), and have an event fire when they are hit, but not show the reminder window at all. I want to do my own custom logic at that point.

     Hey, I have a RadMenu, and what I'm trying to do is to put a RadButtonElement inside a RadMenuItem, but I can't find where and how to do it right, since it aways go to wrong position. This was my last try:

var item = new RadButtonElement
            {
                Text = "?",
                CaptureOnMouseDown = true,
                ShouldHandleMouseInput = true,
                StretchHorizontally = false,
                StretchVertically = true,
                NotifyParentOnMouseInput = false,
                Margin = new Padding(5),
                Alignment  = ContentAlignment.MiddleRight,
            };
            item.Font = new Font(item.Font, FontStyle.Bold);
            item.Click += Item_Click;
            btnCotacao.Layout.Children.Add(item);

Hello!

I am experiencing some problems using custom RadDiagramShapes. What i am trying to achieve is a custom shape, that provides multiple TextAreas that show different information. Therefore, i implemented an ElementShape and a RadDiagram shape. The ElementShape uses the AddString Method of the graphicspath to add my TextAreas, and the RadDiagramShape uses this ElementShape and sets the InternalElementColor.

The problem with this is, that i can not click to select or drag my custom RadDiagramShape anywhere because the TextAreas cover the majority of the Shape, and when selecting any transparent spaces (generated from the AddString method) the underlying element will be selected. 

Can you give me an idea of how to add such TextAreas to my control without generating lots of transparent / unclickable spaces?

Thank you

Good morning,

Is there a limit to the number of tabs  in the exported file?

I have a multipart report that has 12 grids I need to export to the same excel doc.

On the 5th grid export it is just sitting there , no errors just hangs.

Most grids have 20 - 30 records but 2 can have a couple of 100Ks records.

Is this the issue?

Hello

I need a drag Drop from gridview to listview.

I have followed the code from the documentation and everything works finew up to the drop on the ListView where I fail to identify the row of the listview into which the drops occurs.

I have the following code (copied from Telerik's documentaiton)

                    targetCell.Text = srcRow.RowInfo.Cells("Name").Value
                    Dim targetElement As DetailListViewElement = TryCast(e.HitTarget, DetailListViewElement)
                    Dim targetVisualItem As BaseListViewVisualItem = targetCell.RowElement
                    Dim insertIndex As Integer = targetCell.Row.ListView.Items.IndexOf(targetVisualItem.Data)

and I get an error on .row and .rowelement which are "not members ..."

Am I missing a reference or is it a change of the components ?

I need to get the row of the listview when I perform the drom on the cell

Thanks in advance for any advice

Best Regards

Pierre-Jean

Hi,

 I'm trying to migrate an app that was written in WPF using default tree view to Telerik UI WinForms RadTreeView. For the default tree that has been used previously I had an ObservableCollection to which I could add items and the change would be displayed in the TreeView immediately without me triggering any update method. However, with the Telerik's solution, when I set the DataSource to the observable collection, no change is visible even though that observable collection has been modified.

The final result that needs to be achieved is to be able to display folder structure on a disc. Now obviously, I don't want to load a folder and all of its subfolders at once, but rather only load the content when the user decides to open the given folder.

Can this be achieved using ObservableCollection and without the need of triggering some sort of update method?

Thanks

I just updated to the latest Winforms release and now none of the Winforms will open in the designer.  All have the same error message (attached in the screenshot as well).

Instances of this error (1)

1. Hide Call Stack
at System.ComponentModel.TypeDescriptor.AddAttributes(Object instance, Attribute[] attributes)
at Microsoft.VisualStudio.Design.VSDesignSurface.CreateDesigner(IComponent component, Boolean rootDesigner)
at System.ComponentModel.Design.DesignerHost.AddToContainerPostProcess(IComponent component, String name, IContainer containerToAddTo)
at System.ComponentModel.Design.DesignerHost.PerformAdd(IComponent component, String name)
at System.ComponentModel.Design.DesignerHost.System.ComponentModel.Design.IDesignerHost.CreateComponent(Type componentType, String name)
at System.ComponentModel.Design.Serialization.DesignerSerializationManager.CreateInstance(Type type, ICollection arguments, String name, Boolean addToContainer)
at System.ComponentModel.Design.Serialization.DesignerSerializationManager.System.ComponentModel.Design.Serialization.IDesignerSerializationManager.CreateInstance(Type type, ICollection arguments, String name, Boolean addToContainer)
at System.ComponentModel.Design.Serialization.TypeCodeDomSerializer.Deserialize(IDesignerSerializationManager manager, CodeTypeDeclaration declaration)
at System.ComponentModel.Design.Serialization.CodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager manager)
at Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager serializationManager)
--- End of stack trace from previous location where exception was thrown ---
at Microsoft.VisualStudio.Design.Serialization.CodeDom.VSCodeDomDesignerLoader.PerformLoad(IDesignerSerializationManager serializationManager)
at System.ComponentModel.Design.Serialization.BasicDesignerLoader.BeginLoad(IDesignerLoaderHost host)