/// <summary> /// Converts a value. /// </summary> /// <param name="value">The value produced by the binding source.</param> /// <param name="targetType">The type of the binding target property.</param> /// <param name="parameter">The converter parameter to use.</param> /// <param name="culture">The culture to use in the converter.</param> /// <returns> /// A converted value. If the method returns null, the valid null value is used. /// </returns> public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { if (_visibilityConverter == null) { _visibilityConverter = new VisibilityConverter(); } return (Visibility)_visibilityConverter.Convert(value, targetType, parameter, culture) == Visibility.Visible; }
/// <summary> /// Converts a value. /// </summary> /// <param name="value">The value produced by the binding source.</param> /// <param name="targetType">The type of the binding target property.</param> /// <param name="parameter">The converter parameter to use.</param> /// <param name="culture">The culture to use in the converter.</param> /// <returns> /// A converted value. If the method returns null, the valid null value is used. /// </returns> public object Convert(object value, Type targetType, object parameter, CultureInfo culture) { if (_visibilityConverter == null) { _visibilityConverter = new VisibilityConverter(); } return((Visibility)_visibilityConverter.Convert(value, targetType, parameter, culture) == Visibility.Visible); }
/// <summary> /// Converts source values to a value for the binding target. The data binding engine calls this method when it propagates the values from source bindings to the binding target. /// </summary> /// <param name="values">The array of values that the source bindings in the <see cref="T:System.Windows.Data.MultiBinding"/> produces. The value <see cref="F:System.Windows.DependencyProperty.UnsetValue"/> indicates that the source binding has no value to provide for conversion.</param> /// <param name="targetType">The type of the binding target property.</param> /// <param name="parameter">The converter parameter to use.</param> /// <param name="culture">The culture to use in the converter.</param> /// <returns> /// A converted value. /// If the method returns null, the valid null value is used. /// A return value of <see cref="T:System.Windows.DependencyProperty"/>.<see cref="F:System.Windows.DependencyProperty.UnsetValue"/> indicates that the converter did not produce a value, and that the binding will use the <see cref="P:System.Windows.Data.BindingBase.FallbackValue"/> if it is available, or else will use the default value. /// A return value of <see cref="T:System.Windows.Data.Binding"/>.<see cref="F:System.Windows.Data.Binding.DoNothing"/> indicates that the binding does not transfer the value or use the <see cref="P:System.Windows.Data.BindingBase.FallbackValue"/> or the default value. /// </returns> public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { if (_visibilityConverter == null) { _visibilityConverter = new VisibilityConverter(); } List <Visibility> converted = (from v in values where v != DependencyProperty.UnsetValue select(Visibility) _visibilityConverter.Convert(v, targetType, null, culture)) .ToList(); Visibility output = converted.Contains(Visibility.Visible) ? Visibility.Visible : Visibility.Collapsed; if (parameter != null) { output = output == Visibility.Visible ? Visibility.Collapsed : Visibility.Visible; } return(output); }
/// <summary> /// Converts source values to a value for the binding target. The data binding engine calls this method when it propagates the values from source bindings to the binding target. /// </summary> /// <param name="values">The array of values that the source bindings in the <see cref="T:System.Windows.Data.MultiBinding"/> produces. The value <see cref="F:System.Windows.DependencyProperty.UnsetValue"/> indicates that the source binding has no value to provide for conversion.</param> /// <param name="targetType">The type of the binding target property.</param> /// <param name="parameter">The converter parameter to use.</param> /// <param name="culture">The culture to use in the converter.</param> /// <returns> /// A converted value. /// If the method returns null, the valid null value is used. /// A return value of <see cref="T:System.Windows.DependencyProperty"/>.<see cref="F:System.Windows.DependencyProperty.UnsetValue"/> indicates that the converter did not produce a value, and that the binding will use the <see cref="P:System.Windows.Data.BindingBase.FallbackValue"/> if it is available, or else will use the default value. /// A return value of <see cref="T:System.Windows.Data.Binding"/>.<see cref="F:System.Windows.Data.Binding.DoNothing"/> indicates that the binding does not transfer the value or use the <see cref="P:System.Windows.Data.BindingBase.FallbackValue"/> or the default value. /// </returns> public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture) { if (_visibilityConverter == null) { _visibilityConverter = new VisibilityConverter(); } List<Visibility> converted = (from v in values where v != DependencyProperty.UnsetValue select (Visibility)_visibilityConverter.Convert(v, targetType, null, culture)) .ToList(); Visibility output = converted.Contains(Visibility.Visible) ? Visibility.Visible : Visibility.Collapsed; if (parameter != null) { output = output == Visibility.Visible ? Visibility.Collapsed : Visibility.Visible; } return output; }