SystemTrayMenu/NativeDllImport/IsTouchEnabled.cs

// <copyright file="IsTouchEnabled.cs" company="PlaceholderCompany">
// Copyright (c) PlaceholderCompany. All rights reserved.
// </copyright>

namespace SystemTrayMenu.DllImports
{
    using System.Runtime.InteropServices;

    /// <summary>
    /// wraps the methodcalls to native windows dll's.
    /// </summary>
    public static partial class NativeMethods
    {
        public static bool IsTouchEnabled()
        {
            const int MAXTOUCHES_INDEX = 95;
            int maxTouches = GetSystemMetrics(MAXTOUCHES_INDEX);

            return maxTouches > 0;
        }

        [DllImport("user32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
        [DefaultDllImportSearchPaths(DllImportSearchPath.UserDirectories)]
        private static extern int GetSystemMetrics(int nIndex);
    }
}