[EDIT] some comments

DoctorApp/Utils/Client.cs

@@ -123,6 +123,9 @@ namespace DoctorApp.Utils
                 }
                 else if (DataParser.isRawDataBikeDoctor(messageBytes))
                 {
+                    // read the .bin file that is in the message
+                    // update the view
+
                     MainViewModel.TransferDataToClientBike(payloadbytes);
                 }
                 else if (DataParser.isRawDataBPMDoctor(messageBytes))

DoctorApp/ViewModels/ClientInfoViewModel.cs

@@ -83,9 +83,14 @@ namespace DoctorApp.ViewModels
                 PatientInfo.Resistance = float.Parse(((TextBox)parameter).Text);
             });
 
+            // request the historic data from the server
             this.SaveHistoricData = new RelayCommand<object>((parameter) =>
             {
                 this.client.sendMessage(DataParser.GetGetFileMessage(PatientInfo.Username, DateTime.Now));
+                // data is stored on the server
+                // send request to server that we want to get the current historic data from the patient
+                // server sends this back
+                // we parse it
             });
 
         }