Merge branch 'Issue144' of https://github.com/ilya-murzinov/White into Issue144

Conflicts:
	src/TestStack.White/WindowsAPI/NativeWindow.cs

Author: ilya-murzinov

src/TestStack.White/WindowsAPI/NativeWindow.cs

@@ -94,6 +94,8 @@ public virtual void PostCloseMessage()
         internal static extern bool SetWindowPos(IntPtr hWnd, IntPtr hwndAfter, int x, int y, int width, int height, int flags);
         [return: MarshalAs(UnmanagedType.Bool)]
 
+        [DllImport("user32.dll", CharSet = CharSet.Auto)]
+        internal static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);
         [DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
         internal static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);