treat warnings as errors

2 files changed, 2 insertions, 1 deletions

diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index e32711c520..dde800aadd 100755
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -18,6 +18,7 @@
     <IncludeSymbols>true</IncludeSymbols>
     <IncludeSource>true</IncludeSource>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/csharp/Grpc.Core/Internal/AuthContextSafeHandle.cs b/src/csharp/Grpc.Core/Internal/AuthContextSafeHandle.cs
index 6c22bd59ba..f7a6b320a7 100644
--- a/src/csharp/Grpc.Core/Internal/AuthContextSafeHandle.cs
+++ b/src/csharp/Grpc.Core/Internal/AuthContextSafeHandle.cs
@@ -74,7 +74,7 @@ namespace Grpc.Core.Internal
 
         private AuthProperty PtrToAuthProperty(IntPtr authPropertyPtr)
         {
-            var nativeAuthProperty = (NativeAuthProperty) Marshal.PtrToStructure(authPropertyPtr, typeof(NativeAuthProperty));
+            var nativeAuthProperty = Marshal.PtrToStructure<NativeAuthProperty>(authPropertyPtr);
             var name = Marshal.PtrToStringAnsi(nativeAuthProperty.Name);
             var valueBytes = new byte[(int) nativeAuthProperty.ValueLength];
             Marshal.Copy(nativeAuthProperty.Value, valueBytes, 0, (int)nativeAuthProperty.ValueLength);