Sicherung

FSI.BT.Tools/Global/DllImport/IsTouchEnabled.cs

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+// <copyright file="IsTouchEnabled.cs" company="PlaceholderCompany">
+// Copyright (c) PlaceholderCompany. All rights reserved.
+// </copyright>
+
+namespace FSI.BT.Tools.Global.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);
+    }
+}