WindowsFormsHost.TabInto Method (TraversalRequest)
Forwards focus from WPF to the hosted Windows Forms control.
Assembly: WindowsFormsIntegration (in WindowsFormsIntegration.dll)
Return ValueType: System.Boolean
true if a control was activated; otherwise, false.
The first control is specified by the request parameter. When request is Next, the behavior is similar to pressing the TAB key. When request is Previous, the behavior is similar to pressing SHIFT+TAB.
Available since 3.0