added lock to Results in DeclarationReport

VectoCore/VectoCore/OutputData/DeclarationReport.cs

@@ -164,8 +164,10 @@ namespace TUGraz.VectoCore.OutputData
 					//runData.VehicleData.VehicleClass,
 					PassengerCount = runData.VehicleData.PassengerCount
 				};
-
+				lock (Results) {
 					Results.Add(entry);
+                }
+				
 				DoStoreResult(entry, runData, modData);
 			}
 
@@ -174,11 +176,14 @@ namespace TUGraz.VectoCore.OutputData
 
 		protected virtual IEnumerable<T> OrderedResults
 		{
-			get {
+			get
+			{
+				lock (Results) {
 					return Results.OrderBy(x => x.VehicleClass).ThenBy(x => x.FuelMode).ThenBy(x => x.Mission)
 						.ThenBy(x => x.LoadingType);
 				}
 			}
+		}
 
 		/// <summary>
 		/// Adds the result of one run for the specific mission and loading.