1 files changed, 60 insertions, 0 deletions
diff --git a/src/OpenID/OpenIdOfflineProvider/NativeMethods.cs b/src/OpenID/OpenIdOfflineProvider/NativeMethods.cs
new file mode 100644
index 0000000..5e69f33
--- /dev/null
+++ b/src/OpenID/OpenIdOfflineProvider/NativeMethods.cs
@@ -0,0 +1,60 @@
+//-----------------------------------------------------------------------
+// <copyright file="NativeMethods.cs" company="Outercurve Foundation">
+//     Copyright (c) Outercurve Foundation. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.OpenIdOfflineProvider {
+	using System;
+	using System.Runtime.InteropServices;
+	using System.Windows;
+	using System.Windows.Interop;
+
+	/// <summary>
+	/// P/Invoke methods and wrappers.
+	/// </summary>
+	internal static class NativeMethods {
+		/// <summary>
+		/// Gets the HWND of the current foreground window on the system.
+		/// </summary>
+		/// <returns>A handle to the foreground window.</returns>
+		[DllImport("user32.dll")]
+		internal static extern IntPtr GetForegroundWindow();
+
+		/// <summary>
+		/// Sets the foreground window of the system.
+		/// </summary>
+		/// <param name="hWnd">The HWND of the window to set as active.</param>
+		/// <returns>A value indicating whether the foreground window was actually changed.</returns>
+		[DllImport("user32.dll")]
+		[return: MarshalAs(UnmanagedType.Bool)]
+		internal static extern bool SetForegroundWindow(IntPtr hWnd);
+
+		/// <summary>
+		/// Sets the foreground window of the system.
+		/// </summary>
+		/// <param name="window">The window to bring to the foreground.</param>
+		/// <returns>
+		/// A value indicating whether the foreground window was actually changed.
+		/// </returns>
+		internal static bool SetForegroundWindow(Window window) {
+			return SetForegroundWindow(new WindowInteropHelper(window).Handle);
+		}
+
+		/// <summary>
+		/// Sets the active window of the process.
+		/// </summary>
+		/// <param name="window">The window to bring to the foreground.</param>
+		internal static void SetActiveWindow(Window window) {
+			SetActiveWindow(new WindowInteropHelper(window).Handle);
+		}
+
+		/// <summary>
+		/// Sets the active window of the process.
+		/// </summary>
+		/// <param name="hWnd">The HWND of the window to set as active.</param>
+		/// <returns>The window that was previously active?</returns>
+		[DllImport("user32.dll")]
+		private static extern IntPtr SetActiveWindow(IntPtr hWnd);
+	}
+}