add events to settingsmanager

Pilz.Configuration/SettingsManager.vb

@@ -5,6 +5,10 @@ Imports Newtonsoft.Json.Linq
 Public NotInheritable Class SettingsManager(Of T As SettingsBase)
     Implements ISettingsManager
 
+    Public Event AutoSavingSettings As EventHandler
+    Public Event SavingSettings As EventHandler
+    Public Event SavedSettings As EventHandler
+
     Private defaultInstance As T = Nothing
     Private enableAutoSave As Boolean = False
     Private addedHandler As Boolean = False
@@ -60,6 +64,7 @@ Public NotInheritable Class SettingsManager(Of T As SettingsBase)
     End Sub
 
     Private Sub AutoSaveSettingsOnExit(sender As Object, e As EventArgs)
+        RaiseEvent AutoSavingSettings(Me, New EventArgs)
         Save()
     End Sub
 
@@ -101,10 +106,14 @@ Public NotInheritable Class SettingsManager(Of T As SettingsBase)
     End Sub
 
     Private Sub SavePrivate()
+        RaiseEvent SavingSettings(Me, New EventArgs)
+
         Dim obj As JObject = JObject.FromObject(defaultInstance)
         If obj IsNot Nothing Then
             File.WriteAllText(ConfigFilePath, obj.ToString)
         End If
+
+        RaiseEvent SavedSettings(Me, New EventArgs)
     End Sub
 
 End Class