private static void OnLabelTextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
BalloonBox balloonBox = (BalloonBox)d;
if (e.NewValue == null || string.IsNullOrEmpty(e.NewValue.ToString()))
{
if (balloonBox.headerTextBlock != null)
{
balloonBox.headerTextBlock.Foreground = new SolidColorBrush(Colors.Gray);
}
if (balloonBox.headerTextBlock != null)
{
balloonBox.headerTextBlock.Text = balloonBox.WaterMark;
}
}
else
{
if (balloonBox.headerTextBlock != null)
{
balloonBox.headerTextBlock.Foreground = new SolidColorBrush(Colors.Black);
}
if (balloonBox.headerTextBlock != null)
{
balloonBox.headerTextBlock.Text = e.NewValue.ToString().Replace("\n", " ").Replace("\r", " ");
}
}
}
private static void OnIsOpenChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
BalloonBox balloonBox = (BalloonBox)d;
balloonBox.popUp.IsOpen = (bool)e.NewValue;
}
