新建一个UserControl，添加到相应位置
<Grid x:Name="LayoutRoot" Background="{StaticResource PhoneChromeBrush}"> <Grid Height="280" x:Name="gridBox" VerticalAlignment="Top" Background="Black"> <Grid.Projection> <PlaneProjection/> </Grid.Projection> <Grid.RowDefinitions> <RowDefinition Height="100"/> <RowDefinition Height="100"/> <RowDefinition Height="70"/> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="*"/> <ColumnDefinition Width="*"/> </Grid.ColumnDefinitions> <TextBlock Text="图像选择" FontSize="30" Margin="10,50,10,10"/> <ContentControl HorizontalAlignment="Left" FontSize="30" Margin="40,0,0,0" Content="请选择载入图像的方式" Grid.Row="1" Grid.ColumnSpan="2"/> <Button Grid.Row="2" Grid.Column="0" Name="btnCamera" Content="相机" Width="200" Click="btnCamera_Click"/> <Button Grid.Row="2" Grid.Column="1" Name="btnAlbum" Content="相册" Width="200" Click="btnAlbum_Click"/> </Grid> </Grid>