Control the Display Duration and Position of a Tool Tip

   
     

<Window x:Class="WpfApplication1.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="WPF" Height="200" Width="300">
    <StackPanel>
        <Button Height="40" Margin="5" ToolTipService.Placement="Mouse" 
                ToolTipService.ShowDuration="1000">
            <Button.ToolTip>
                <ToolTip>
                    ToolTip displayed for 1 second...
                </ToolTip>
            </Button.ToolTip>
            Button with ToolTip under Mouse
        </Button>
    </StackPanel>
</Window>