In Microsoft Expression Blend, you can use behaviors to affect the movement of an element on the screen.
Expression Blend motion behaviors
The following motion behaviors are available in Expression Blend:
MouseDragElementBehavior Use the MouseDragElementBehavior behavior to enable dragging an item around on the screen.
For more information about this behavior, see MouseDragElementBehavior.
TranslateZoomRotateBehavior Use the TranslateZoomRotateBehavior behavior to manipulate the element that the behavior has been applied to (available when you are using a touch-enabled screen running Windows 7).
For more information about this behavior, see TranslateZoomRotateBehavior.