From cc4f25d1228fee0ea5b4afcc10e1cf129494e331 Mon Sep 17 00:00:00 2001
From: Maxson Ramon dos Anjos Medeiros <maxson.anjos@mz-automation.de>
Date: Wed, 16 Jul 2025 18:06:16 +0200
Subject: [PATCH] -> Add wrapper for GetActiveSettingGroupChangedHandler

---
 dotnet/IEC61850forCSharp/IEC61850ServerAPI.cs | 14 ++++++++
 .../server_example_access_control/Program.cs  | 32 ++++++++++++++++++-
 2 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/dotnet/IEC61850forCSharp/IEC61850ServerAPI.cs b/dotnet/IEC61850forCSharp/IEC61850ServerAPI.cs
index 6d237e28..98779da5 100644
--- a/dotnet/IEC61850forCSharp/IEC61850ServerAPI.cs
+++ b/dotnet/IEC61850forCSharp/IEC61850ServerAPI.cs
@@ -2461,6 +2461,15 @@ namespace IEC61850
             [DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
             public static extern void IedServer_setActiveSettingGroupChangedHandler(IntPtr self, IntPtr sgcb, ActiveSettingGroupChangedHandler handler, IntPtr parameter);
 
+            /// <summary>
+            ///  Get the active setting group number
+            /// </summary>
+            /// <param name="self">the instance of IedServer to operate on</param>
+            /// <param name="sgcb">the handle of the setting group control block of the setting group</param>
+            /// <returns>the number of the active setting group</returns>
+            [DllImport("iec61850", CallingConvention = CallingConvention.Cdecl)]
+            public static extern uint IedServer_getActiveSettingGroup(IntPtr self, IntPtr sgcb);
+
             /// <summary>
             /// Set the callback handler for the SetEditSG event
             /// </summary>
@@ -2920,6 +2929,11 @@ namespace IEC61850
                 }
             }
 
+            public int GetActiveSettingGroupChangedHandler(SettingGroupControlBlock settingGroupControlBlock)
+            {
+                return Convert.ToInt32(IedServer_getActiveSettingGroup(self, settingGroupControlBlock.self));
+            }
+
             private bool InternalActiveSettingGroupChangedImplementation(IntPtr parameter, IntPtr sgcb, uint newActSg, IntPtr connection)
             {
                 if (sgcb != IntPtr.Zero && connection != IntPtr.Zero)
diff --git a/dotnet/server_example_access_control/Program.cs b/dotnet/server_example_access_control/Program.cs
index 7a01724f..630c437e 100644
--- a/dotnet/server_example_access_control/Program.cs
+++ b/dotnet/server_example_access_control/Program.cs
@@ -20,7 +20,7 @@ namespace server_access_control
 {
     class MainClass
     {
-        struct PTOC1Settings
+        class PTOC1Settings
         {
             public float strVal;
             public int opDlTmms;
@@ -281,6 +281,8 @@ namespace server_access_control
             {
                 Console.WriteLine("Switch to setting group "+ newActSg +"\n");
 
+                LoadActiveSgValues(Convert.ToInt32(newActSg));
+
                 return true;
             }
 
@@ -296,6 +298,34 @@ namespace server_access_control
             void editSGConfirmationHandler(object parameter, SettingGroupControlBlock sgcb, uint editSg)
             {
                 Console.WriteLine("Received edit sg confirm for sg " + editSg + "\n");
+
+                int edit = Convert.ToInt32(editSg);
+
+                DataObject strVal = (DataObject)iedModel.GetModelNodeByShortObjectReference("GenericIO/PTOC1.StrVal");
+                DataAttribute setMagF = strVal.GetChildWithFc("setMag.f", FunctionalConstraint.SE);
+                MmsValue setMagFValue = iedServer.GetAttributeValue(setMagF);
+
+                DataObject opDlTmms = (DataObject)iedModel.GetModelNodeByShortObjectReference("GenericIO/PTOC1.OpDlTmms");
+                DataAttribute setVal = opDlTmms.GetChildWithFc("setVal", FunctionalConstraint.SE);
+                MmsValue setValValue = iedServer.GetAttributeValue(setVal);
+
+                DataObject rsDlTmms = (DataObject)iedModel.GetModelNodeByShortObjectReference("GenericIO/PTOC1.RsDlTmms");
+                DataAttribute rsDlTmmsSetVal = rsDlTmms.GetChildWithFc("setVal", FunctionalConstraint.SE);
+                MmsValue rsDlTmmsSetValValue = iedServer.GetAttributeValue(rsDlTmmsSetVal);
+
+                DataObject rstTms = (DataObject)iedModel.GetModelNodeByShortObjectReference("GenericIO/PTOC1.RstTms");
+                DataAttribute rstTmsSetVal = rstTms.GetChildWithFc("setVal", FunctionalConstraint.SE);
+                MmsValue rstTmsSetValVaue = iedServer.GetAttributeValue(rstTmsSetVal);
+
+                ptoc1Settings[edit - 1].strVal = setMagFValue.ToFloat();
+                ptoc1Settings[edit - 1].opDlTmms = setValValue.ToInt32();
+                ptoc1Settings[edit - 1].rsDlTmms = rsDlTmmsSetValValue.ToInt32();
+                ptoc1Settings[edit - 1].rstTms = rsDlTmmsSetValValue.ToInt32();
+
+                if (iedServer.GetActiveSettingGroupChangedHandler(sgcb) == edit)
+                {
+                    LoadActiveSgValues(edit);
+                }
             }
 
             iedServer.SetActiveSettingGroupChangedHandler(activeSGChangedHandler, settingGroupControlBlock, null);