1 files changed, 41 insertions, 0 deletions
diff --git a/NucLedController/WMISystemManagement.cs b/NucLedController/WMISystemManagement.cs
new file mode 100644
index 0000000..bd3b9cd
--- /dev/null
+++ b/NucLedController/WMISystemManagement.cs
@@ -0,0 +1,41 @@
+using System;
+using System.Management;
+
+namespace NucLedController
+{
+    public sealed class WMISystemManagement
+    {
+        private static readonly string OBJECT_SEARCHER_SCOPE = "\\root\\WMI";
+        private static readonly string OBJECT_SEARCHER_QUERY_STRING = "SELECT * FROM CISD_WMI";
+        private static readonly string SET_LED_METHOD_NAME = "SetState";
+
+        private static readonly WMISystemManagement INSTANCE = new WMISystemManagement();
+
+        private EnumerationOptions enumerationOptions;
+        private ManagementObjectSearcher objectSearcher;
+
+        private WMISystemManagement()
+        {
+            enumerationOptions = new EnumerationOptions();
+            enumerationOptions.ReturnImmediately = false;
+            objectSearcher = new ManagementObjectSearcher(OBJECT_SEARCHER_SCOPE, OBJECT_SEARCHER_QUERY_STRING, enumerationOptions);
+        }
+
+        public static WMISystemManagement Instance
+        {
+            get { return INSTANCE; }
+        }
+
+        public void WriteData(byte[] data)
+        {
+
+            foreach (ManagementObject queryObj in objectSearcher.Get())
+            {
+                queryObj.InvokeMethod(SET_LED_METHOD_NAME, new object[] { BitConverter.ToInt32(data, 0) });
+                queryObj.Dispose();
+            }
+
+        }
+
+    }
+}