gistfile1.cs

using Windows.UI.Xaml.Automation.Peers;
using Windows.UI.Xaml.Automation.Provider;
using Windows.UI.Xaml.Controls;

namespace Tetraptera.Common.Extensions
{
    public static class ButtonExtension
    {
        public static void RaiseClick(this Button button)
        {
            var peer = new ButtonAutomationPeer(button);
            var invokeProv = peer.GetPattern(PatternInterface.Invoke) as IInvokeProvider;
            invokeProv.Invoke();
        }
    }
}