/// <summary>
/// Performs a lookup for the defined <see cref="Title"/> and
/// <see cref="Info"/> and creates the tooltip control.
/// </summary>
/// <returns>
/// A <see cref="ToolTip"/> that contains the
/// <see cref="InfoPopup"/> control.
/// </returns>
public override object ProvideValue(IServiceProvider serviceProvider)
{
//create the user control that
InfoPopup popup = new InfoPopup();
if (!String.IsNullOrEmpty(Title))
{
//look up title - if the string is not a
//resource key, use it directly
var result = Resources.ResourceManager.GetObject(Title) ?? Title;
popup.HeaderText = (string)result;
}
if (!String.IsNullOrEmpty(Body))
{
//look up body text - if the string is not a
//resource key, use it directly
var result = Resources.ResourceManager.GetObject(Body) ?? Body;
popup.BodyText = (string)result;
}
//create tooltip and make sure it's not visible
ToolTip tt = new ToolTip();
tt.HasDropShadow = false;
tt.BorderThickness = new Thickness(0);
tt.Background = Brushes.Transparent;
tt.Content = popup;
return(tt);
}
/// <summary>
/// A static callback listener which is being invoked if the
/// <see cref="HeaderTextProperty"/> dependency property has
/// been changed. Invokes the <see cref="OnHeaderTextPropertyChanged"/>
/// instance method of the changed instance.
/// </summary>
/// <param name="d">The currently processed owner of the property.</param>
/// <param name="e">Provides information about the updated property.</param>
private static void HeaderTextPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
InfoPopup owner = (InfoPopup)d;
owner.OnHeaderTextPropertyChanged(e);
}
