Without trying anything in code, I'd be guessing that putting the textblock onto/into the canvas makes it behave differently than when its in the border. I've seen quite a lot of sizing things behave differently depending upon the parent container.
Have you tried it in a grid instead of a canvas? It might work (guessing, have not tried it out) On Wed, Sep 15, 2010 at 11:23 AM, Colin Savage <[email protected]> wrote: > Before this list turns entirely into an ausdotnet trollfest, how about a > Silverlight question? > > > > Does anyone know why a textblock is not firing SizeChanged event when the > fontsize changes? > > > > Example: > > <Grid x:Name="LayoutRoot" Background="White"> > > <StackPanel> > > <Button Content="Resize" > > Name="button1" > > Click="button1_Click" /> > > <TextBlock Name="result" > > Text="Size goes here"/> > > <TextBlock Name="actual" > > Text="Actual goes here" /> > > </StackPanel> > > <Canvas Height="200" > > HorizontalAlignment="Left" > > Margin="57,92,0,0" > > Name="canvas1" > > VerticalAlignment="Top" > > Width="311"> > > <!--<Border Canvas.Top="10" > > Canvas.Left="10" > > BorderBrush="Green" BorderThickness="1">--> > > <TextBlock Canvas.Top="10" > > Canvas.Left="10" > > Name="textblock1" > > Width="180" > > Text="Some Text" /> > > <!--</Border>--> > > </Canvas> > > </Grid> > > > > public partial class MainPage : UserControl > > { > > public MainPage() > > { > > InitializeComponent(); > > > > textblock1.SizeChanged += textblock1_SizeChanged; > > } > > > > void textblock1_SizeChanged(object sender, SizeChangedEventArgs e) > > { > > result.Text = e.NewSize.ToString(); > > } > > > > private void button1_Click(object sender, RoutedEventArgs e) > > { > > textblock1.FontSize += 1; > > > > actual.Text = textblock1.ActualHeight.ToString(); > > } > > } > > > > > > Note that if I increase the fontsize, the ActualHeight changes, but the > SizeChanged event doesn’t. Uncomment the border around the textblock and it > does start firing. > > > > Regards, > > Colin Savage > > _______________________________________________ > ozsilverlight mailing list > [email protected] > http://prdlxvm0001.codify.net/mailman/listinfo/ozsilverlight > > _______________________________________________ ozsilverlight mailing list [email protected] http://prdlxvm0001.codify.net/mailman/listinfo/ozsilverlight
