WPF and C# ComboBox Next Focus

Question

Im using WPF and C#. I have an application with an OnScreenKeyboard made with buttons. When I press the tab button in the OnScreenKeyboard it does this:

if (IsEnterEnabled){
  CurrentTextBox.MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
}

CurrentTextBox is a Control.

When a textbox is focused it works fine and move to the next focus, even if the next focus is a comboBox, but if the current focus is in an editable combo box it doesnt move to next focus element.

If the combo box is not editable, it works.

Did you check to see if that control can have focus? and is selectable / able to be tabbed to? — tcables
Yes, if I press the tab key in my real keyboard it works fine. — davibq

foson foson · Accepted Answer · 2012-02-27T16:32:14

Since the ComboBox has a TextBox inside it which currently has focus, telling ComboBox to move next will only move to the TextBox. Instead, get the inner TextBox and move next on that:

        var s1 = FocusManager.GetFocusedElement(this);
        if (s1 is FrameworkElement)
        {
            ((FrameworkElement)s1).MoveFocus(new TraversalRequest(FocusNavigationDirection.Next));
        }

WPF and C# ComboBox Next Focus

2 Answers