Infrastructure Preparation 302

demo/Skylark.WinForms.Demo/WinFormsDemoWallpaper/WinFormsDemoWallpaper/WinFormsDemoWallpaper.csproj

@@ -13,6 +13,6 @@
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="Skylark" Version="3.1.4.8" />
-        <PackageReference Include="Skylark.Wing" Version="3.1.6.8" />
+        <PackageReference Include="Skylark.Wing" Version="3.1.7.1" />
     </ItemGroup>
 </Project>

src/Skylark.Wing/Helper/EventSubscriptionManager.cs

@@ -0,0 +1,149 @@
+using System;
+using System.Runtime.InteropServices;
+using DISPPARAMS = System.Runtime.InteropServices.ComTypes.DISPPARAMS;
+using EXCEPINFO = System.Runtime.InteropServices.ComTypes.EXCEPINFO;
+using SWIIEL = Skylark.Wing.Interface.IEventListener;
+using SWIIESM = Skylark.Wing.Interface.IEventSystem;
+using SWIIESN = Skylark.Wing.Interface.IEventSubscription;
+using SWNM = Skylark.Wing.Native.Methods;
+
+namespace Skylark.Wing.Helper
+{
+    /// <summary>
+    /// EventSubscriptionManager Class - Handles event subscription logic
+    /// </summary>
+    public class EventSubscriptionManager
+    {
+        private readonly SWIIEL _eventListener;
+        private SWIIESM _eventSystem;
+
+        public EventSubscriptionManager(SWIIEL eventListener)
+        {
+            _eventListener = eventListener;
+        }
+
+        public SWNM.HRESULT Initialize()
+        {
+            SWNM.HRESULT hr = SWNM.HRESULT.E_FAIL;
+
+            Guid CLSID_CEventSubscription = new("7542e960-79c7-11d1-88f9-0080c7d771bf");
+
+            Type eventSubscriptionType = Type.GetTypeFromCLSID(CLSID_CEventSubscription, true);
+
+            object eventSubscription = Activator.CreateInstance(eventSubscriptionType);
+
+            SWIIESN pEventSubscription = (SWIIESN)eventSubscription;
+
+            if (pEventSubscription != null)
+            {
+                hr = pEventSubscription.put_EventClassID("{D5978630-5B9F-11D1-8DD2-00AA004ABD5E}");
+
+                if (hr == SWNM.HRESULT.S_OK)
+                {
+                    hr = pEventSubscription.put_SubscriptionName("SkylarkEventSubscriptionManager");
+
+                    if (hr == SWNM.HRESULT.S_OK)
+                    {
+                        hr = pEventSubscription.put_PerUser(true);
+
+                        if (hr == SWNM.HRESULT.S_OK)
+                        {
+                            IntPtr pSubscriberInterface = Marshal.GetIUnknownForObject(this);
+
+                            hr = pEventSubscription.put_SubscriberInterface(pSubscriberInterface);
+
+                            Guid CLSID_CEventSystem = new("4E14FBA2-2E22-11D1-9964-00C04FBBB345");
+
+                            Type eventSystemType = Type.GetTypeFromCLSID(CLSID_CEventSystem, true);
+
+                            object eventSystem = Activator.CreateInstance(eventSystemType);
+
+                            _eventSystem = (SWIIESM)eventSystem;
+
+                            IntPtr pInterface = Marshal.GetIUnknownForObject(pEventSubscription);
+
+                            hr = _eventSystem.Store("EventSystem.EventSubscription", pInterface);
+                        }
+                    }
+                }
+
+                Marshal.ReleaseComObject(pEventSubscription);
+            }
+
+            return hr;
+        }
+
+        public SWNM.HRESULT Uninitialize()
+        {
+            SWNM.HRESULT hr = SWNM.HRESULT.E_FAIL;
+
+            if (_eventSystem != null)
+            {
+                // System.UnauthorizedAccessException
+                // HResult = 0x80070005
+                // Message = Accès refusé. (Exception de HRESULT: 0x80070005(E_ACCESSDENIED))
+
+                hr = _eventSystem.Remove("EventSystem.EventSubscription", "EventClassID={D5978630-5B9F-11D1-8DD2-00AA004ABD5E}", out int errorIndex);
+
+                Marshal.ReleaseComObject(_eventSystem);
+            }
+
+            return hr;
+        }
+
+        public int GetTypeInfoCount()
+        {
+            throw new NotImplementedException();
+        }
+
+        public IntPtr GetTypeInfo(int iTInfo, int lcid)
+        {
+            throw new NotImplementedException();
+        }
+
+        public SWNM.HRESULT GetIDsOfNames(ref Guid riid, string[] rgszNames, int cNames, int lcid, int[] rgDispId)
+        {
+            throw new NotImplementedException();
+        }
+
+        public SWNM.HRESULT Invoke(int dispIdMember, ref Guid riid, int lcid, int dwFlags, DISPPARAMS pDispParams, out object pVarResult, EXCEPINFO pExcepInfo, IntPtr[] pArgErr)
+        {
+            throw new NotImplementedException();
+        }
+
+        public SWNM.HRESULT Logon(string userName)
+        {
+            return _eventListener.OnLogon(userName);
+        }
+
+        public SWNM.HRESULT Logoff(string userName)
+        {
+            return _eventListener.OnLogoff(userName);
+        }
+
+        public SWNM.HRESULT StartShell(string userName)
+        {
+            return _eventListener.OnStartShell(userName);
+        }
+
+        public SWNM.HRESULT DisplayLock(string userName)
+        {
+            return _eventListener.OnDisplayLock(userName);
+        }
+
+        public SWNM.HRESULT DisplayUnlock(string userName)
+        {
+            return _eventListener.OnDisplayUnlock(userName);
+        }
+
+        public SWNM.HRESULT StartScreenSaver(string userName)
+        {
+            return _eventListener.OnStartScreenSaver(userName);
+        }
+
+        public SWNM.HRESULT StopScreenSaver(string userName)
+        {
+            return _eventListener.OnStopScreenSaver(userName);
+        }
+    }
+}

src/Skylark.Wing/Interface/IEventListener.cs

@@ -0,0 +1,59 @@
+using SWNM = Skylark.Wing.Native.Methods;
+
+namespace Skylark.Wing.Interface
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public interface IEventListener
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="userName"></param>
+        /// <returns></returns>
+        SWNM.HRESULT OnLogon(string userName);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="userName"></param>
+        /// <returns></returns>
+        SWNM.HRESULT OnLogoff(string userName);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="userName"></param>
+        /// <returns></returns>
+        SWNM.HRESULT OnStartShell(string userName);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="userName"></param>
+        /// <returns></returns>
+        SWNM.HRESULT OnDisplayLock(string userName);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="userName"></param>
+        /// <returns></returns>
+        SWNM.HRESULT OnDisplayUnlock(string userName);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="userName"></param>
+        /// <returns></returns>
+        SWNM.HRESULT OnStartScreenSaver(string userName);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="userName"></param>
+        /// <returns></returns>
+        SWNM.HRESULT OnStopScreenSaver(string userName);
+    }
+}