We believe this could be achieved with the RadMaskedDateTimeInput control. When you click/press the seconds or minutes for instance, the control remembers the caret position and the current section that is about to be changed. I you have two Up and Down Buttons on the right of the MaskedInput, in their Click handlers you can use the CallSpin method like so:
for increasing the current section and
for decreasing the current section.
Please let us know if this is suitable fro you.
All the best,
the Telerik team
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