The toolkit:AutoCompleteBox in WP7 \"opens\" the Popup with results above the textfield. I need this Popup to be below the TextBox. Wasted hours on this. finally, i\'ve wri
I faced the same issue and this is how I solved it, using Perspective Transforms and RenderTransform in the borders of Popup in the default template.
RenderTransform
Change GolbalOffsetX and GlobalOffsetY according to your textbox height and width.
GolbalOffsetX
GlobalOffsetY