WPF C#

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="WPF" Height="200" Width="300">
    
                        ToolTipService.ShowDuration="1000">
            
                
                    ToolTip displayed for 1 second...
                

            

            Button with ToolTip under Mouse