how i can implement pinch to zoom and multi-touch features in windows phone 8. In my application i add 3 image containers in a grid and i need to perform the above mentioned operation on my image. Please any one help me to implement the functionality in my application. Thanks in advance.
Stez
Try the following library from codeplex:
https://multitouch.codeplex.com/
It performs the calculations required to scale / rotate an image when it is pinched.