From a custom function which inherit from FunctionBase it's possible to return some constant expressions like StringExpression or BoolExpression. But It's impossible to return a reference to a Cell or CellRange which will be used by another function by example or which will automatically update it's result.  There is no public constructor.

The feature will be available in our official release Q1 2016.

If a worksheet spans more than one page, you can print row and column headings or labels (also called print titles) on every page to ensure that the data is properly labeled.
This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190066 
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Implement functionality allowing to specify that when a table is split on multiple pages, a specific row should be shown on each page.

Workaround: in the attached demo projects.
This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190085 
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This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190090 
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This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190100 
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This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190108 
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This item is migrated to the Telerik Document Processing portal: 
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Hello,
Like a lot of companies we have multiple client side interfaces of a single application and have to create similar UI in multiple platforms.
For example I had to create a chart in both WPF and ASP.NET AJAX today.
The problem I have with the Telerik controls is that there are absolutely no standardization or consistency between platforms.
Why in the name of all-things-good-in-this-world are axes in WPF and ASP.NET AJAX and ASP MVC and Windows Universal Apps not all called the same thing?
It would be very simple to use interfaces to create some consistency between platforms.
Even better would be if Model Views are shared across platforms in a portable library: 
https://msdn.microsoft.com/en-us/library/hh563947(v=vs.110).aspx
https://msdn.microsoft.com/en-us/library/gg597391(v=vs.110).aspx
Regards,
Douw
PS. I could not find a feedback portal for all platforms, so have to log this multiple times.

Allow customizing provider for sending xmla request and response from/to SSAS. Currently it's can only be done with System.Net.WebClient and msmdpump.dll (IIS)...

Enable RadBitmap creation with different than the 96 DPI.

With the Windows 10 Anniversary update native controls like TextBox provide this out of the box.

It would be nice if the Telerik UI for WPF VSExtensions detected usage of UI for WPF in class libraries (e.g. a WPF UserControl Library)..

This would allow the Upgrade Wizard / configure Project wizards can also work on the class libraries, too.

Available in LIB version 2018.1.312.

In addition to the fast document generation, the SpreadStreamProcessing can be adapted to import documents significantly faster than SpreadProcessing.

This item has been moved to the Document Processing portal. It can be found here: https://feedback.telerik.com/Project/184/Feedback/Details/251942-spreadstreamprocessing-implement-workbook-import

The control should be customizable so you can place also a content different than an image as in the WPF native splash screen support (https://docs.microsoft.com/en-us/dotnet/framework/wpf/app-development/how-to-add-a-splash-screen-to-a-wpf-application).