So far we've seen data binding occur for a target property base on a single source property. Sometimes, however, a target property depends on changes of more than one source property. This is supported in WPF through multi binding. Let's see how it's done.
Make sure Visual Studio is up and running.
We'll create a simple color selector using a multi-binding.
MainWindow.xaml. Add the following to the existing
<Grid.RowDefinitions> <RowDefinition /> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Rectangle Stroke="Black" StrokeThickness="1" Margin="4" > </Rectangle> ...