The GotFocus event is falsely reported as not existing:
XAML<Window x:Class="WpfApplication.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors"
xmlns:dxmvvm="http://schemas.devexpress.com/winfx/2008/xaml/mvvm"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
<Window.Resources>
<Style x:Key="GotFocusStyle" TargetType="{x:Type dxe:TextEdit}">
<Setter Property="dxmvvm:Interaction.BehaviorsTemplate">
<Setter.Value>
<DataTemplate>
<ItemsControl>
<dxmvvm:EventToCommand EventName="GotFocus" Command="{Binding GotFocusCommand}" />
</ItemsControl>
</DataTemplate>
</Setter.Value>
</Setter>
</Style>
</Window.Resources>
</Window>