/// <summary>
/// Invoked when this page is about to be displayed in a Frame.
/// </summary>
/// <param name="e">Event data that describes how this page was reached. The Parameter
/// property is typically used to configure the page.</param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
Thickness thick;
thick.Top = 400;
TextBlock txt = new TextBlock
{
Text = "Binding This Style in C#",
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Center,
Margin = thick,
FontSize = 60,
FontFamily = new FontFamily("Matura MT Script Capitals")
};
// Dynamically bind to an existed style.
// 1. Setup the source.
PropertyPath pPath = new PropertyPath("Foreground");
Binding target = new Binding
{
ElementName = "topTxt",
Path = pPath
};
// 2. Bind to the source. It is a DependencyObject, so you must use TextBlock.Foreground instead of Foreground.
txt.SetBinding(TextBlock.ForegroundProperty, target);
(this.Content as Grid).Children.Add(txt);
}
private void MainPage_Loaded(object sender, RoutedEventArgs e)
{
MyConverterClass myConverter = new MyConverterClass();
PropertyPath p = new PropertyPath("ActualWidth");
Binding b = new Binding
{
ElementName = "page",
Path = p,
Converter = myConverter,
ConverterParameter = "F7"
};
WTxt.SetBinding(TextBlock.TextProperty, b);
}
public static Object Evaluate(Object container, PropertyPath propertyPath)
{
return Evaluate(container, new Binding { Source = container, Path = propertyPath });
}
/// <summary>
/// Constructor used by the XamlReader, for target late-binding
/// </summary>
internal TargetPropertyPath(string targetName, PropertyPath path)
{
TargetName = targetName;
Path = path;
}
public TargetPropertyPath(object target, PropertyPath path)
{
Target = target;
Path = path;
}
private void AnimateEnemy(ContentControl enemy, double from, double to, PropertyPath propertyPath)
{
Storyboard storyboard = new Storyboard() { AutoReverse = true, RepeatBehavior = RepeatBehavior.Forever };
DoubleAnimation animation = new DoubleAnimation()
{
From = from,
To = to,
Duration = new Duration(TimeSpan.FromSeconds(random.Next(4, 6)))
};
Storyboard.SetTarget(animation, enemy);
Storyboard.SetTargetProperty(animation,propertyPath);
storyboard.Children.Add(animation);
storyboard.Begin();
}
/// <summary>
/// Helper for the UpdateDropIndicatorAnimationHeight method.
/// </summary>
private void UpdateDropIndicatorAnimationHeight(double height, Timeline animation)
{
DoubleAnimation da = animation as DoubleAnimation;
if (da != null)
{
string targetName = Storyboard.GetTargetName(da);
PropertyPath targetPath = new PropertyPath(Storyboard.GetTargetProperty(da));
if ((targetName == ReorderListBoxItem.DropBeforeSpacePart ||
targetName == ReorderListBoxItem.DropAfterSpacePart) &&
targetPath != null && targetPath.Path == "Height")
{
if (da.From > 0 && da.From != height)
{
da.From = height;
}
if (da.To > 0 && da.To != height)
{
da.To = height;
}
}
}
}
