public sealed class FocusedRowEventArgs : EventArgs

Public NotInheritable Class FocusedRowEventArgs
	Inherits EventArgs

public ref class FocusedRowEventArgs sealed : public EventArgs

[<SealedAttribute>]
type FocusedRowEventArgs =  
    class
        inherit EventArgs
    end

public void FocusExample(Grid grid)
{
    //Set a new color with the alpha channel for the focused row.
    grid.FocusSettings.Color = Color.FromArgb(30, 128, 0, 30);

    grid.FocusedRowChanged += delegate(object sender, FocusedRowEventArgs e)
    {
        Console.WriteLine("Previous focused row: {0}", e.PrevFocusedRow != null ? e.PrevFocusedRow.VisibleIndex.ToString() : "not specified");
        Console.WriteLine("New focused row: {0}", e.NewFocusedRow != null ? e.NewFocusedRow.VisibleIndex.ToString() : "not specified");
    };

    //Add some data object
    grid.Rows.Add(new Product());
    grid.Rows.Add(new Product());

    //Set the row focused
    grid.Rows[1].Focused = true;

    Console.WriteLine("Focused row visible index: {0}", grid.FocusedRow.VisibleIndex);

    //Clear the focus
    grid.FocusedRow = null;
    //Another way to clear focus:
    grid.FocusSettings.Clear();
}

//Console output:
Previous focused row: not specified
New focused row: 1
Focused row visible index: 1
Previous focused row: 1
New focused row: not specified