use sdk project

src/Shared/HandyControlDemo_Shared/ViewModel/Basic/InteractiveDialogViewModel.cs

@@ -14,7 +14,7 @@ namespace HandyControlDemo.ViewModel
         public string Result
         {
             get => _result;
-#if netle40
+#if NET40
             set => Set(nameof(Result), ref _result, value);
 #else
             set => Set(ref _result, value);  
@@ -26,7 +26,7 @@ namespace HandyControlDemo.ViewModel
         public string Message
         {
             get => _message;
-#if netle40
+#if NET40
             set => Set(nameof(Message), ref _message, value);
 #else
             set => Set(ref _message, value);