Programmatically adding appointments to Windows Phone Calendar

I was trying to look for a way to add appointments/tasks to the Windows Phone Calendar via the Microsoft.Phone.UserData. Does anyone kn开发者_JAVA百科ow if this is even possible in the new Mango release?

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This is only possible in Windows Phone 8.

Edit And yes, I know the question is tagged as 7.1. This is to let future users know.

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According to this MSDN article access to the Calendar is read-only