1. The simplest operation in Windows Phone 7 isolatedstorge Code: Savenote () Saves the contents of the text box to Note.txt, and Edit () reads Note.txt to the text box
2. Orientation in Windows Phone 7
Divided into portrait (vertical screen) and landscape (straight screen) and portraitorlandscape (vertical screen or horizontal screen, in the switch will automatically switch when the screen). and also divided into support direction and start direction, support direction support portrait, landscape and Portraitorlandscape, launch direction support landscape, Landscapeleft, Landscaperight, Portrait, Portraitdown and Portraitup
3. Comparison of UI layout controls common in Windows Phone 7
Canvas: Absolute position control, fast, can be used for games
Grid: Mesh positioning control, more commonly used
StackPanel: Automatic positioning control, recommended for use with small area