Account Helper 经验分享

1. Account Helper 经验分享 @徐水峰(Alexis )

2. Agenda ProgressIndicator 7 useful tips

3. Part I7 useful tips

4. 1. Custom ContextMenu <toolkit:ContextMenuService.ContextMenu> <toolkit:ContextMenuIsZoomEnabled="False" Background="White"> <toolkit:MenuItem Command=“…"> <toolkit:MenuItem.Header> <StackPanel Orientation="Horizontal"> <Image Source="Images/Appbar/edit.png" /> <TextBlock Text="编辑"Foreground="Black"/> </StackPanel> </toolkit:MenuItem.Header> </toolkit:MenuItem> ……………. </toolkit:ContextMenu> </toolkit:ContextMenuService.ContextMenu>

5. 2. ItemContainerStyle Gets or sets the Style that is applied to the container element generated for each item. <Style x:Key="S_ListBoxItem"TargetType="ListBoxItem"> <SetterProperty="HorizontalContentAlignment" Value="Stretch" /> </Style>

6. 3. Panorama Bind SelectIndex

7. 4. Live Tiles

8. 5. Unregister Messenger in time Method 1 Register messengers in Page OnNavigatedTometod Unregister in Page OnNavigatedFrommethod Method 2 Register messengers in Page Constructor method Unregister in Page OnBackKeyPressmethod

9. 6. Clear VM Property in time Why should we do that ? Consider following situation: MainPageDetailPage: ADetailVM.ImgSource Press BackKeygo back and select another item MainPageDetailPage: BDetailVM.ImgSource A Temp page or detail page ,we should remember: Clear Property in Time

10. 7. Avoid user input conflicts Consider that: how can we enable items in list can receive both Tap and Touch and Hold ?

11. Source Code http://accounthelper.codeplex.com

12. Part IIProgressIndicator

13. ProgressIndicator

14. How to use ProgressIndicator In MainPage.xaml.cs 1.ProgressIndicator pi = newProgressIndicator(); 2. pi.Text = "Hello World";              pi.IsIndeterminate = true;              pi.IsVisible = true; 3. SetValue(SystemTray.IsVisibleProperty, true); SetValue(SystemTray.ProgressIndicatorProperty, pi);  

15. Have a Test 需求: 开启广告按钮后，每隔2秒自动播放一条广告

16. Q:Where is the bug ?

18. Thank you!