wpf Introduction to WPF Data Binding Convert a boolean to visibility value
Example
This example hides the red box (border) if the checkbox is not checked by making use of an IValueConverter.
Note: The BooleanToVisibilityConverter used in the example below is a built-in value converter, located in the System.Windows.Controls namespace.
XAML:
<Window x:Class="StackOverflowDataBindingExample.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525">
<Window.Resources>
<BooleanToVisibilityConverter x:Key="VisibleIfTrueConverter" />
</Window.Resources>
<StackPanel>
<CheckBox x:Name="MyCheckBox"
IsChecked="True" />
<Border Background="Red" Width="20" Height="20"
Visibility="{Binding Path=IsChecked,ElementName=MyCheckBox, Converter={StaticResource VisibleIfTrueConverter}}" />
</StackPanel>
</Window>
