Add project files.

BaseGpsClient.cs

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+using System;
+using GpsClient2.Model;
+
+namespace GpsClient2 {
+    public abstract class BaseGpsClient {
+        #region Properties
+
+        public GpsType GpsType { get; }
+        public bool IsRunning { get; set; }
+
+        protected BaseGpsInfo GpsInfo { get; set; }
+
+        #endregion
+
+        #region Event handlers
+
+        public event EventHandler<GpsDataEventArgs> GpsCallbackEvent;
+        public event EventHandler<string> RawGpsCallbackEvent;
+        public event EventHandler<GpsStatus> GpsStatusEvent;
+
+        #endregion
+
+        #region Constructors
+
+        protected BaseGpsClient(GpsType gpsType, BaseGpsInfo gpsInfo) {
+            GpsType = gpsType;
+            GpsInfo = gpsInfo;
+        }
+
+        #endregion
+
+        #region Connect and Disconnect
+
+        public abstract bool Connect();
+
+        public abstract bool Disconnect();
+
+        #endregion
+
+        #region Events Triggers
+
+        protected virtual void OnGpsDataReceived(GpsDataEventArgs e) {
+            if (GpsInfo.CoordinateSystem == GpsCoordinateSystem.Lambert72) {
+                var x = 0.0d;
+                var y = 0.0d;
+                var h = 0.0d;
+                CoordinateConverterUtilities.GeoETRS89ToLambert72(e.Latitude, e.Longitude, 0, ref x, ref y, ref h);
+                e.CoordinateSystem = GpsCoordinateSystem.Lambert72;
+                e.Latitude = x;
+                e.Longitude = y;
+            }
+
+            GpsCallbackEvent?.Invoke(this, e);
+        }
+
+        protected virtual void OnRawGpsDataReceived(string e) {
+            RawGpsCallbackEvent?.Invoke(this, e);
+        }
+
+        protected virtual void OnGpsStatusChanged(GpsStatus e) {
+            GpsStatusEvent?.Invoke(this, e);
+        }
+
+        #endregion
+    }
+}