代码
[ValueConversion(typeof(bool), typeof(Visibility))]
public class BoolToVisibilityConverter : IValueConverter
{
static BoolToVisibilityConverter()
{
Instance = new BoolToVisibilityConverter();
}
public static BoolToVisibilityConverter Instance
{
get;
private set;
}
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
return ((bool)value) ? Visibility.Visible : Visibility.Collapsed;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
使用方法
<s:Connector DataContext="{Binding LeftConnector}"
Orientation="Left"
VerticalAlignment="Center"
HorizontalAlignment="Left"
Visibility="{Binding Path=ShowConnectors, Converter={x:Static s:BoolToVisibilityConverter.Instance}}" />