support implicitly converting input parameters from derived type to base type

Author: Jacques Kang

src/JKang.IpcServiceFramework.Client/JKang.IpcServiceFramework.Client.csproj

@@ -11,9 +11,11 @@
     <RepositoryUrl>https://github.com/jacqueskang/IpcServiceFramework</RepositoryUrl>
     <PackageTags>dotnetcore,named-pipes,interprocess-communication</PackageTags>
     <PackageProjectUrl>https://github.com/jacqueskang/IpcServiceFramework</PackageProjectUrl>
-    <PackageReleaseNotes>1.0.1
+    <PackageReleaseNotes>1.0.2
+ - support implicitly converting input parameters from derived type to base type
+1.0.1
  - support passing array parameters</PackageReleaseNotes>
-    <Version>1.0.1</Version>
+    <Version>1.0.2</Version>
   </PropertyGroup>
 
   <ItemGroup>

src/JKang.IpcServiceFramework.Core.Tests/DefaultValueConverterTest.cs

@@ -131,7 +131,22 @@ public void TryConvert_ComplexTypeArray()
             }
         }
 
-        class ComplexType
+        [TestMethod]
+        public void TryConvert_DerivedTypeToBaseType()
+        {
+            bool succeed = _sut.TryConvert(new ComplexType(), typeof(IComplexType), out object actual);
+
+            Assert.IsTrue(succeed);
+            Assert.IsInstanceOfType(actual, typeof(ComplexType));
+        }
+
+        interface IComplexType
+        {
+            int Int32Value { get; }
+            string StringValue { get; }
+        }
+
+        class ComplexType : IComplexType
         {
             public int Int32Value { get; set; }
             public string StringValue { get; set; }

src/JKang.IpcServiceFramework.Core/JKang.IpcServiceFramework.Core.csproj

@@ -12,9 +12,11 @@
     <RepositoryUrl>https://github.com/jacqueskang/IpcServiceFramework</RepositoryUrl>
     <PackageTags>dotnetcore,named-pipes,interprocess-communication</PackageTags>
     <PackageProjectUrl>https://github.com/jacqueskang/IpcServiceFramework</PackageProjectUrl>
-    <PackageReleaseNotes>1.0.1
+    <PackageReleaseNotes>1.0.2
+ - support implicitly converting input parameters from derived type to base type
+1.0.1
  - support passing array parameters</PackageReleaseNotes>
-    <Version>1.0.1</Version>
+    <Version>1.0.2</Version>
   </PropertyGroup>
 
   <ItemGroup>

src/JKang.IpcServiceFramework.Core/Services/DefaultValueConverter.cs

@@ -7,9 +7,9 @@ public class DefaultValueConverter : IValueConverter
     {
         public bool TryConvert(object origValue, Type destType, out object destValue)
         {
-            if (origValue.GetType() == destType)
+            if (destType.IsAssignableFrom(origValue.GetType()))
             {
-                // copy value directly if type matches
+                // copy value directly if it can be assigned to destType
                 destValue = origValue;
                 return true;
             }

src/JKang.IpcServiceFramework.Server/JKang.IpcServiceFramework.Server.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
@@ -14,9 +14,12 @@ This package is for server hosting.</Description>
     <PackageProjectUrl>https://github.com/jacqueskang/IpcServiceFramework</PackageProjectUrl>
     <RepositoryUrl>https://github.com/jacqueskang/IpcServiceFramework</RepositoryUrl>
     <PackageTags>dotnetcore,named-pipes,interprocess-communication</PackageTags>
-    <Version>1.0.1</Version>
-    <PackageReleaseNotes>1.0.1
+    <Version>1.0.2</Version>
+    <PackageReleaseNotes>1.0.2
+ - support implicitly converting input parameters from derived type to base type
+1.0.1
  - support passing array parameters</PackageReleaseNotes>
+    <AssemblyVersion>1.0.2.0</AssemblyVersion>
   </PropertyGroup>
 
   <ItemGroup>