Мне трудно получить доступ к сетке или ее строкам (в ListBox), несмотря на определение имени сетки или строки. Я намерен установить новый MaxHeight для одной из его строк, когда какой-либо параметр передается из свойства просмотра SharePoint в элемент управления Silverlight.
Как мне достичь желаемого эффекта? Связывание возможно?
@ Page.xaml:
<ListBox ItemsSource="{Binding}" DataContext="" x:Name="NewsList" SelectionChanged="NewsList_SelectionChanged" SelectionMode="Single" Width="580" Height="360" VerticalAlignment="Top" HorizontalAlignment="Center" >
<ListBox.ItemTemplate>
<DataTemplate >
<Grid Height="110" Width="540" x:Name="StaffNewsBodyHeight">
<Grid Height="110" Width="540">
<Grid.RowDefinitions>
<RowDefinition Height="15" />
<RowDefinition Height="{Binding StaffNewsBodyHeight}" />
<RowDefinition Height="15" />
</Grid.RowDefinitions> <Grid.ColumnDefinitions>
<ColumnDefinition Width="82" />
<ColumnDefinition Width="*" />
</Grid.ColumnDefinitions>
<Border CornerRadius="2" BorderThickness="2" BorderBrush="Gray" Height="82" Width="82" Background="LemonChiffon" VerticalAlignment="Center" HorizontalAlignment="Center" Grid.RowSpan="3" Grid.Column="0" >
<Image Source="{Binding NewsThumbnail}" Style="{StaticResource ThumbNailPreview}" />
</Border>
<TextBlock x:Name="NewsTitle" FontFamily="Arial" FontWeight="bold" TextDecorations="Underline" Text="{Binding Title}" Style="{StaticResource TitleText}" Grid.Row="0" Grid.Column="1"/>
<TextBlock x:Name="NewsBody" FontFamily="Arial" Text="{Binding NewsBody}" Margin="5" Style="{StaticResource DescriptionBlock}" Grid.Row="1" Grid.Column="1" />
<StackPanel Orientation="Horizontal" Grid.Row="2" Grid.Column="1" Margin="3,3,3,3">
<TextBlock Text="Published By:" HorizontalAlignment="Left" VerticalAlignment="Bottom" Foreground="Gray" FontWeight="Bold" FontSize="9" />
<TextBlock Text="{Binding PublishedBy}" HorizontalAlignment="Left" VerticalAlignment="Bottom" Foreground="Gray" FontWeight="Bold" FontSize="9" />
<TextBlock Text="{Binding DatePublished}" HorizontalAlignment="Left" VerticalAlignment="Bottom" Foreground="Gray" FontWeight="Bold" FontSize="9" />
</StackPanel>
</Grid>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
@ Page.xaml.cs:
if (!string.IsNullOrEmpty(_setLength))
{
StaffNews test = new StaffNews();
//assign new height to gridrow of NewsBody
if (_setLength.Contains("_3"))
test.StaffNewsBodyHeight.Equals(200);
}