Thanks for contacting us and sharing this idea.
Indeed, this is an interesting idea since this is distinct part of the Windows Phone 7 user experience. However, I am not quite sure that an entirely new RadControl
is needed for the case since there is not any special functionality here besides the different appearance. A simple approach to implement this is to create a control and design its control template so that it looks this way - with a TextBox
and a small triangle at the bottom part of it. Since we find the topic interesting, we will write a blog post describing the implementation of this control very soon.
Thanks once again for the nice idea and do not hesitate to get back to us in case you have feedback or need assistance.
the Telerik team
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