Refactored MtApi4 (MT4) for working with new architecture

MtApi/Monitors/Triggers/IMonitorTrigger.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace MtApi.Monitors.Triggers
+namespace MtApi.Monitors.Triggers
 {
     /// <summary>
     /// Interface for triggers which can be used to trigger a <see cref="MtMonitorBase"/>.

MtApi/Monitors/Triggers/NewBarTrigger.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace MtApi.Monitors.Triggers
+namespace MtApi.Monitors.Triggers
 {
     /// <summary>
     /// Raises the <see cref="Raised"/> event if a bar is closed and a new one started.
@@ -23,7 +21,7 @@ namespace MtApi.Monitors.Triggers
         /// <summary>
         /// Event will be called if the trigger raised.
         /// </summary>
-        public event EventHandler Raised;
+        public event EventHandler? Raised;
         #endregion
 
         #region ctor
@@ -46,7 +44,7 @@ namespace MtApi.Monitors.Triggers
         #endregion
 
         #region Private methods
-        private void _apiClient_OnLastTimeBar(object sender, TimeBarArgs e)
+        private void _apiClient_OnLastTimeBar(object? sender, TimeBarArgs e)
         {
             if (_isStarted)
                 Raised?.Invoke(this, EventArgs.Empty);

MtApi/Monitors/Triggers/TimeElapsedTrigger.cs

@@ -1,12 +1,11 @@
-using System;
-using System.Timers;
+using System.Timers;
 
 namespace MtApi.Monitors.Triggers
 {
     public class TimeElapsedTrigger : IMonitorTrigger
     {
         #region Fields
-        readonly Timer _timer;
+        readonly System.Timers.Timer _timer;
         #endregion
 
         #region Properties
@@ -34,7 +33,7 @@ namespace MtApi.Monitors.Triggers
         /// <summary>
         /// Returns true if the trigger is started, otherwise false
         /// </summary>
-        public event EventHandler Raised;
+        public event EventHandler? Raised;
         #endregion
 
         #region ctor
@@ -45,7 +44,7 @@ namespace MtApi.Monitors.Triggers
         /// <param name="autoReset">If true, the trigger will raise continuosly after elapsed <see cref="Interval"/>, otherwise the trigger will raise only once after elapsed <see cref="Interval"/>.</param>
         public TimeElapsedTrigger(TimeSpan time, bool autoReset = true)
         {
-            _timer = new Timer(time.TotalMilliseconds);
+            _timer = new System.Timers.Timer(time.TotalMilliseconds);
             _timer.Elapsed += _timer_Elapsed;
             AutoReset = autoReset;
         }
@@ -63,7 +62,7 @@ namespace MtApi.Monitors.Triggers
         #endregion
 
         #region private methods
-        private void _timer_Elapsed(object sender, ElapsedEventArgs e)
+        private void _timer_Elapsed(object? sender, ElapsedEventArgs e)
         {
             _timer.Elapsed -= _timer_Elapsed;
             Raised?.Invoke(this, EventArgs.Empty);