initial checkin of yaulw (locally)

@integrate/Component.All/Common_MediLytec.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Microsoft.Win32;
+
+namespace Component.All
+{
+    /// <summary>
+    /// Install Configuration
+    /// </summary>
+    public enum InstallConfig
+    {
+        LytecMD,
+        MedisoftClinical,
+    }
+
+    /// <summary>
+    /// Common Functions and Helpers Useful for Lytec, Medisoft Installing activities
+    /// </summary>
+    public static class Common_MediLytec
+    {
+        /// <summary>
+        /// Common/Ofted used #Defs/Definitions associated with Lytec/Medisoft
+        /// </summary>
+        public static class MediLytecPoundDef
+        {
+            public const string BRIDGE_SERVICE_TITLE = "BridgeService";
+            public const string BRIDGE_SERVICE_ASSEMBLY = "BridgeService.exe";
+            public const string BRIDGE_SERVICE_NAME = "McKesson Bridge Service";
+            public const string MIRTH_SERVICE_NAME = "Mirth Connect Service";
+            public const string POSTGRE_SERVICE_NAME = "Mirth_Connect_PostgreSQL_Server";
+            public const string POSTGRE_SERVER_PORT = "5432";
+        }
+
+        /// <summary>
+        /// Retrieve the Configuration (Lytec/Medisoft) from the Registry
+        /// </summary>
+        /// <returns>Lytec/Medisoft</returns>
+        public static InstallConfig RetrieveInstallConfigFromRegistry()
+        {
+            bool bIsLytecInstalled = false;
+            try 
+            { 
+                RegistryKey reg = Registry.LocalMachine.OpenSubKey("Software\\Lytec", false);
+                bIsLytecInstalled = (reg != null);
+                if (!bIsLytecInstalled) // also check Wow64
+                {
+                    reg = Registry.LocalMachine.OpenSubKey("Software\\Wow6432Node\\Lytec", false);
+                    bIsLytecInstalled = (reg != null);
+                }
+
+            }
+            catch (Exception) { /* ignore */ }
+
+            if (bIsLytecInstalled)
+                return InstallConfig.LytecMD;
+            else
+                return InstallConfig.MedisoftClinical;
+        }
+    }
+}