ComposePage.xaml

<phone:PhoneApplicationPage 
    x:Class="sbbs_client_wp7.ComposePage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone"
    xmlns:toolkit="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone.Controls.Toolkit"
    xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    FontFamily="{StaticResource PhoneFontFamilyNormal}"
    FontSize="{StaticResource PhoneFontSizeNormal}"
    Foreground="{StaticResource PhoneForegroundBrush}"
    SupportedOrientations="Portrait" Orientation="Portrait"
    mc:Ignorable="d" d:DesignHeight="696" d:DesignWidth="480"
    toolkit:TiltEffect.IsTiltEnabled="True"
    shell:SystemTray.Opacity="{Binding IsLoading, Converter={StaticResource LoadedOpacityConerter}, ConverterParameter=true}"
    shell:SystemTray.IsVisible="True">

    <shell:SystemTray.ProgressIndicator>
        <shell:ProgressIndicator Text="发布中..."
            IsVisible="{Binding IsLoading}"
            IsIndeterminate="{Binding IsLoading}"/>
    </shell:SystemTray.ProgressIndicator>

    <toolkit:TransitionService.NavigationInTransition>
        <toolkit:NavigationInTransition>
            <toolkit:NavigationInTransition.Backward>
                <toolkit:TurnstileTransition Mode="BackwardIn"/>
            </toolkit:NavigationInTransition.Backward>
            <toolkit:NavigationInTransition.Forward>
                <toolkit:TurnstileTransition Mode="ForwardIn"/>
            </toolkit:NavigationInTransition.Forward>
        </toolkit:NavigationInTransition>
    </toolkit:TransitionService.NavigationInTransition>
    <toolkit:TransitionService.NavigationOutTransition>
        <toolkit:NavigationOutTransition>
            <toolkit:NavigationOutTransition.Backward>
                <toolkit:TurnstileTransition Mode="BackwardOut"/>
            </toolkit:NavigationOutTransition.Backward>
            <toolkit:NavigationOutTransition.Forward>
                <toolkit:TurnstileTransition Mode="ForwardOut"/>
            </toolkit:NavigationOutTransition.Forward>
        </toolkit:NavigationOutTransition>
    </toolkit:TransitionService.NavigationOutTransition>

    <!--LayoutRoot is the root grid where all page content is placed-->
    <Grid x:Name="LayoutRoot" Background="Transparent">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>

        <StackPanel x:Name="TitlePanel" Grid.Row="0" Margin="12,17,0,28">
            <TextBlock Text="虎踞龙蟠BBS" Style="{StaticResource PhoneTextNormalStyle}"/>
            <TextBlock Text="写站内信" Margin="9,-7,0,0" Foreground="{StaticResource PhoneAccentBrush}" Style="{StaticResource PhoneTextExtraLargeStyle}"/>
        </StackPanel>

        <!--ContentPanel - place additional content here-->
        <ScrollViewer Grid.Row="1" Margin="12,0,12,0">
            <Grid x:Name="ContentPanel">
                <Grid.RowDefinitions>
                    <RowDefinition Height="Auto"/>
                    <RowDefinition Height="Auto"/>
                    <RowDefinition Height="Auto"/>
                    <RowDefinition Height="Auto"/>
                    <RowDefinition Height="Auto"/>
                    <RowDefinition Height="*"/>
                </Grid.RowDefinitions>
                <TextBlock Text="收信人" Style="{StaticResource PhoneTextSubtleStyle}" />
                <TextBox x:Name="UserText" IsEnabled="{Binding IsLoading, Converter={StaticResource BoolReverseConverter}}" Grid.Row="1" />
                <TextBlock Text="标题" Style="{StaticResource PhoneTextSubtleStyle}" Grid.Row="2" />
                <TextBox x:Name="TitleText" IsEnabled="{Binding IsLoading, Converter={StaticResource BoolReverseConverter}}" Grid.Row="3" />
                <TextBlock Text="内容" Style="{StaticResource PhoneTextSubtleStyle}" Grid.Row="4" />
                <TextBox x:Name="ContentText" AcceptsReturn="True" TextWrapping="Wrap" IsEnabled="{Binding IsLoading, Converter={StaticResource BoolReverseConverter}}" Grid.Row="5" />
            </Grid>
        </ScrollViewer>
    </Grid>

    <phone:PhoneApplicationPage.ApplicationBar>
        <shell:ApplicationBar IsVisible="True" IsMenuEnabled="True">
            <shell:ApplicationBarIconButton Click="Compose_Click" IconUri="/Images/sendmessage.png" Text="发送"/>
        </shell:ApplicationBar>
    </phone:PhoneApplicationPage.ApplicationBar>

</phone:PhoneApplicationPage>