Class BoolToObjectConverter

This class converts a boolean value into an other object. Can be used to convert true/false to visibility, a couple of colors, couple of images, etc.

Inheritance
System.Object
BoolToObjectConverter
BoolToVisibilityConverter
Implements
Microsoft.UI.Xaml.Data.IValueConverter
Namespace: Syncfusion.UI.Xaml.Core
Assembly: Syncfusion.Core.WinUI.dll
Syntax
public class BoolToObjectConverter : DependencyObject, IValueConverter

Constructors

BoolToObjectConverter()

Declaration
public BoolToObjectConverter()

Fields

FalseValueProperty

Identifies the FalseValue property.

Declaration
public static readonly DependencyProperty FalseValueProperty
Field Value
Type
Microsoft.UI.Xaml.DependencyProperty

TrueValueProperty

Identifies the TrueValue property.

Declaration
public static readonly DependencyProperty TrueValueProperty
Field Value
Type
Microsoft.UI.Xaml.DependencyProperty

Properties

FalseValue

Gets or sets the value to be returned when the boolean is false

Declaration
public object FalseValue { get; set; }
Property Value
Type
System.Object

TrueValue

Gets or sets the value to be returned when the boolean is true

Declaration
public object TrueValue { get; set; }
Property Value
Type
System.Object

Methods

Convert(Object, Type, Object, String)

Convert a boolean value to an other object.

Declaration
public object Convert(object value, Type targetType, object parameter, string language)
Parameters
Type Name Description
System.Object value

The source data being passed to the target.
System.Type targetType

The type of the target property, as a type reference.
System.Object parameter

An optional parameter to be used to invert the converter logic.
System.String language

The language of the conversion.
Returns
Type Description
System.Object

The value to be passed to the target dependency property.

ConvertBack(Object, Type, Object, String)

Convert back the value to a boolean

Declaration
public object ConvertBack(object value, Type targetType, object parameter, string language)
Parameters
Type Name Description
System.Object value

The target data being passed to the source.
System.Type targetType

The type of the target property, as a type reference (System.Type for Microsoft .NET, a TypeName helper struct for Visual C++ component extensions (C++/CX)).
System.Object parameter

An optional parameter to be used to invert the converter logic.
System.String language

The language of the conversion.
Returns
Type Description
System.Object

The value to be passed to the source object.
Remarks

If the value parameter is a reference type, TrueValue must match its reference to return true.

Examples

Refer to the following code example.

[XAML]

<StackPanel>
  <StackPanel.Resources>
      <core:BoolToObjectConverter x:Key="boolToObjectConverter" TrueValue="16" FalseValue="14"/>
   </StackPanel.Resources>
   <CheckBox x:Name="checkBox1"/>
   <TextBlock Text="Apple" FontSize="{Binding IsChecked,ElementName=checkBox1, Converter={StaticResource boolToObjectConverter}}"/>         
</StackPanel>

Implements

Microsoft.UI.Xaml.Data.IValueConverter