c# - Changing format xxxxxxxxxx to xxx-xxx-xxxx -

i have textbox in wpf , need display text in xxx-xxx-xxxx format.

<textbox fontsize="30" text="{binding mystring,updatesourcetrigger=propertychanged}" grid.row="3" maxlength="10"></textbox> 

mystring property sets value in textbox other logic. can in xaml usng stringformat?

you can try using maskedtextbox specify format of input.

example:

<wpfx:maskedtextbox mask="000-000-0000" /> 

try this tutorial also.