[Csharp-client] Complex form parameters are not serialized as application/json

bin/windows/csharp-dotnet2-petstore.bat

@@ -5,6 +5,6 @@ If Not Exist %executable% (
 )
 
 REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -i modules/openapi-generator/src/test/resources/2_0/petstore.yaml -g csharp-dotnet2 -o samples/client/petstore/csharp-dotnet2/SwaggerClientTest/Lib/SwaggerClient --additional-properties hideGenerationTimestamp=true
+set ags=generate -i modules/openapi-generator/src/test/resources/2_0/petstore.yaml -g csharp-dotnet2 -o samples/client/petstore/csharp-dotnet2/OpenApiClientTest/Lib/OpenApiClient --additional-properties hideGenerationTimestamp=true
 
 java %JAVA_OPTS% -jar %executable% %ags%

bin/windows/csharp-petstore-net-35.bat

@@ -5,6 +5,6 @@ If Not Exist %executable% (
 )
 
 REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -i modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml -g csharp -o samples/client/petstore/csharp/SwaggerClientNet35 --additional-properties packageGuid={321C8C3F-0156-40C1-AE42-D59761FB9B6C} -c ./bin/csharp-petstore-net-35.json
+set ags=generate -i modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml -g csharp -o samples/client/petstore/csharp/OpenApiClientNet35 --additional-properties packageGuid={321C8C3F-0156-40C1-AE42-D59761FB9B6C} -c ./bin/csharp-petstore-net-35.json
 
 java %JAVA_OPTS% -jar %executable% %ags%

bin/windows/csharp-petstore-net-40.bat

@@ -5,6 +5,6 @@ If Not Exist %executable% (
 )
 
 REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -i modules\openapi-generator\src\test\resources\2_0\petstore-with-fake-endpoints-models-for-testing.yaml -g csharp -o samples\client\petstore\csharp\SwaggerClientNet40 --additional-properties packageGuid={321C8C3F-0156-40C1-AE42-D59761FB9B6C} -c .\bin\csharp-petstore-net-40.json
+set ags=generate -i modules\openapi-generator\src\test\resources\2_0\petstore-with-fake-endpoints-models-for-testing.yaml -g csharp -o samples\client\petstore\csharp\OpenApiClientNet40 --additional-properties packageGuid={321C8C3F-0156-40C1-AE42-D59761FB9B6C} -c .\bin\csharp-petstore-net-40.json
 
 java %JAVA_OPTS% -jar %executable% %ags%

bin/windows/csharp-petstore-netcore-project.bat

@@ -5,6 +5,6 @@ If Not Exist %executable% (
 )
 
 REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -i modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml -g csharp -o samples\client\petstore\csharp\SwaggerClientNetCoreProject --additional-properties targetFramework=v5.0,packageGuid={67035b31-f8e5-41a4-9673-954035084f7d},netCoreProjectFile=true
+set ags=generate -i modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml -g csharp -o samples\client\petstore\csharp\OpenApiClientNetCoreProject --additional-properties targetFramework=v5.0,packageGuid={67035b31-f8e5-41a4-9673-954035084f7d},netCoreProjectFile=true
 
 java %JAVA_OPTS% -jar %executable% %ags%

bin/windows/csharp-petstore-netstandard.bat

@@ -5,6 +5,6 @@ If Not Exist %executable% (
 )
 
 REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -i modules\openapi-generator\src\test\resources\2_0\petstore-with-fake-endpoints-models-for-testing.yaml -g csharp -o samples\client\petstore\csharp\SwaggerClientNetStandard --additional-properties targetFramework=v5.0,packageGuid={3AB1F259-1769-484B-9411-84505FCCBD55}
+set ags=generate -i modules\openapi-generator\src\test\resources\2_0\petstore-with-fake-endpoints-models-for-testing.yaml -g csharp -o samples\client\petstore\csharp\OpenApiClientNetStandard --additional-properties targetFramework=v5.0,packageGuid={3AB1F259-1769-484B-9411-84505FCCBD55}
 
 java %JAVA_OPTS% -jar %executable% %ags%

bin/windows/csharp-property-changed-petstore.bat

@@ -5,6 +5,6 @@ If Not Exist %executable% (
 )
 
 REM set JAVA_OPTS=%JAVA_OPTS% -Xmx1024M
-set ags=generate -i modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml -g csharp -o samples\client\petstore\csharp\SwaggerClientWithPropertyChanged --additional-properties=generatePropertyChanged=true,optionalEmitDefaultValues=true,packageGuid={5CD900DE-8266-412F-A758-28E1F9C623D5}
+set ags=generate -i modules/openapi-generator/src/test/resources/2_0/petstore-with-fake-endpoints-models-for-testing.yaml -g csharp -o samples\client\petstore\csharp\OpenApiClientWithPropertyChanged --additional-properties=generatePropertyChanged=true,optionalEmitDefaultValues=true,packageGuid={5CD900DE-8266-412F-A758-28E1F9C623D5}
 
 java %JAVA_OPTS% -jar %executable% %ags%

modules/openapi-generator/src/main/resources/csharp/api.mustache

@@ -248,7 +248,7 @@ namespace {{packageName}}.{{apiPackage}}
             if ({{paramName}} != null) localVarHeaderParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToString({{paramName}})); // header parameter
             {{/headerParams}}
             {{#formParams}}
-            if ({{paramName}} != null) {{#isFile}}localVarFileParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToFile("{{baseName}}", {{paramName}}));{{/isFile}}{{^isFile}}localVarFormParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToString({{paramName}})); // form parameter{{/isFile}}
+            if ({{paramName}} != null) {{#isFile}}localVarFileParams.Add("{{baseName}}", this.Configuration.ApiClient.ParameterToFile("{{baseName}}", {{paramName}}));{{/isFile}}{{^isFile}}localVarFormParams.Add("{{baseName}}", this.Configuration.ApiClient.{{#isPrimitiveType}}ParameterToString{{/isPrimitiveType}}{{^isPrimitiveType}}Serialize{{/isPrimitiveType}}({{paramName}})); // form parameter{{/isFile}}
             {{/formParams}}
             {{#bodyParam}}
             if ({{paramName}} != null && {{paramName}}.GetType() != typeof(byte[]))

samples/client/petstore/csharp-dotnet2/OpenAPIClientTest/Lib/OpenAPIClient/.openapi-generator/VERSION

@@ -1 +1 @@
-4.2.0-SNAPSHOT
+4.3.1-SNAPSHOT

samples/client/petstore/csharp/OpenAPIClient/src/Org.OpenAPITools/Api/FakeApi.cs

@@ -2319,7 +2319,7 @@ public async System.Threading.Tasks.Task<ApiResponse<ModelClient>> TestClientMod
             if (enumQueryDouble != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("", "enum_query_double", enumQueryDouble)); // query parameter
             if (enumHeaderStringArray != null) localVarHeaderParams.Add("enum_header_string_array", this.Configuration.ApiClient.ParameterToString(enumHeaderStringArray)); // header parameter
             if (enumHeaderString != null) localVarHeaderParams.Add("enum_header_string", this.Configuration.ApiClient.ParameterToString(enumHeaderString)); // header parameter
-            if (enumFormStringArray != null) localVarFormParams.Add("enum_form_string_array", this.Configuration.ApiClient.ParameterToString(enumFormStringArray)); // form parameter
+            if (enumFormStringArray != null) localVarFormParams.Add("enum_form_string_array", this.Configuration.ApiClient.Serialize(enumFormStringArray)); // form parameter
             if (enumFormString != null) localVarFormParams.Add("enum_form_string", this.Configuration.ApiClient.ParameterToString(enumFormString)); // form parameter
 
 

samples/client/petstore/csharp/OpenAPIClientNet35/.openapi-generator/VERSION

@@ -1 +1 @@
-4.2.3-SNAPSHOT
+4.3.1-SNAPSHOT

samples/client/petstore/csharp/OpenAPIClientNet35/src/Org.OpenAPITools/Api/FakeApi.cs

@@ -1252,7 +1252,7 @@ public ApiResponse<ModelClient> TestClientModelWithHttpInfo (ModelClient body)
             if (enumQueryDouble != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("", "enum_query_double", enumQueryDouble)); // query parameter
             if (enumHeaderStringArray != null) localVarHeaderParams.Add("enum_header_string_array", this.Configuration.ApiClient.ParameterToString(enumHeaderStringArray)); // header parameter
             if (enumHeaderString != null) localVarHeaderParams.Add("enum_header_string", this.Configuration.ApiClient.ParameterToString(enumHeaderString)); // header parameter
-            if (enumFormStringArray != null) localVarFormParams.Add("enum_form_string_array", this.Configuration.ApiClient.ParameterToString(enumFormStringArray)); // form parameter
+            if (enumFormStringArray != null) localVarFormParams.Add("enum_form_string_array", this.Configuration.ApiClient.Serialize(enumFormStringArray)); // form parameter
             if (enumFormString != null) localVarFormParams.Add("enum_form_string", this.Configuration.ApiClient.ParameterToString(enumFormString)); // form parameter
 
 

samples/client/petstore/csharp/OpenAPIClientNet40/.openapi-generator/VERSION

@@ -1 +1 @@
-4.2.3-SNAPSHOT
+4.3.1-SNAPSHOT

samples/client/petstore/csharp/OpenAPIClientNet40/src/Org.OpenAPITools/Api/FakeApi.cs

@@ -1252,7 +1252,7 @@ public ApiResponse<ModelClient> TestClientModelWithHttpInfo (ModelClient body)
             if (enumQueryDouble != null) localVarQueryParams.AddRange(this.Configuration.ApiClient.ParameterToKeyValuePairs("", "enum_query_double", enumQueryDouble)); // query parameter
             if (enumHeaderStringArray != null) localVarHeaderParams.Add("enum_header_string_array", this.Configuration.ApiClient.ParameterToString(enumHeaderStringArray)); // header parameter
             if (enumHeaderString != null) localVarHeaderParams.Add("enum_header_string", this.Configuration.ApiClient.ParameterToString(enumHeaderString)); // header parameter
-            if (enumFormStringArray != null) localVarFormParams.Add("enum_form_string_array", this.Configuration.ApiClient.ParameterToString(enumFormStringArray)); // form parameter
+            if (enumFormStringArray != null) localVarFormParams.Add("enum_form_string_array", this.Configuration.ApiClient.Serialize(enumFormStringArray)); // form parameter
             if (enumFormString != null) localVarFormParams.Add("enum_form_string", this.Configuration.ApiClient.ParameterToString(enumFormString)); // form parameter
 
 

samples/client/petstore/csharp/OpenAPIClientNetCoreProject/.openapi-generator/VERSION

@@ -1 +1 @@
-4.2.0-SNAPSHOT
+4.3.1-SNAPSHOT

samples/client/petstore/csharp/OpenAPIClientNetCoreProject/README.md

@@ -90,7 +90,7 @@ Class | Method | HTTP request | Description
 *FakeApi* | [**TestBodyWithFileSchema**](docs/FakeApi.md#testbodywithfileschema) | **PUT** /fake/body-with-file-schema | 
 *FakeApi* | [**TestBodyWithQueryParams**](docs/FakeApi.md#testbodywithqueryparams) | **PUT** /fake/body-with-query-params | 
 *FakeApi* | [**TestClientModel**](docs/FakeApi.md#testclientmodel) | **PATCH** /fake | To test \"client\" model
-*FakeApi* | [**TestEndpointParameters**](docs/FakeApi.md#testendpointparameters) | **POST** /fake | Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+*FakeApi* | [**TestEndpointParameters**](docs/FakeApi.md#testendpointparameters) | **POST** /fake | Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
 *FakeApi* | [**TestEnumParameters**](docs/FakeApi.md#testenumparameters) | **GET** /fake | To test enum parameters
 *FakeApi* | [**TestGroupParameters**](docs/FakeApi.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 *FakeApi* | [**TestInlineAdditionalProperties**](docs/FakeApi.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
@@ -135,6 +135,8 @@ Class | Method | HTTP request | Description
  - [Model.ArrayOfArrayOfNumberOnly](docs/ArrayOfArrayOfNumberOnly.md)
  - [Model.ArrayOfNumberOnly](docs/ArrayOfNumberOnly.md)
  - [Model.ArrayTest](docs/ArrayTest.md)
+ - [Model.BigCat](docs/BigCat.md)
+ - [Model.BigCatAllOf](docs/BigCatAllOf.md)
  - [Model.Capitalization](docs/Capitalization.md)
  - [Model.Cat](docs/Cat.md)
  - [Model.CatAllOf](docs/CatAllOf.md)

samples/client/petstore/csharp/OpenAPIClientNetCoreProject/docs/BigCat.md

@@ -0,0 +1,14 @@
+
+# Org.OpenAPITools.Model.BigCat
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Declawed** | **bool** |  | [optional] 
+**Kind** | **string** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models)
+[[Back to API list]](../README.md#documentation-for-api-endpoints)
+[[Back to README]](../README.md)
+

samples/client/petstore/csharp/OpenAPIClientNetCoreProject/docs/BigCatAllOf.md

@@ -0,0 +1,13 @@
+
+# Org.OpenAPITools.Model.BigCatAllOf
+
+## Properties
+
+Name | Type | Description | Notes
+------------ | ------------- | ------------- | -------------
+**Kind** | **string** |  | [optional] 
+
+[[Back to Model list]](../README.md#documentation-for-models)
+[[Back to API list]](../README.md#documentation-for-api-endpoints)
+[[Back to README]](../README.md)
+

samples/client/petstore/csharp/OpenAPIClientNetCoreProject/docs/FakeApi.md

@@ -12,7 +12,7 @@ Method | HTTP request | Description
 [**TestBodyWithFileSchema**](FakeApi.md#testbodywithfileschema) | **PUT** /fake/body-with-file-schema | 
 [**TestBodyWithQueryParams**](FakeApi.md#testbodywithqueryparams) | **PUT** /fake/body-with-query-params | 
 [**TestClientModel**](FakeApi.md#testclientmodel) | **PATCH** /fake | To test \"client\" model
-[**TestEndpointParameters**](FakeApi.md#testendpointparameters) | **POST** /fake | Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+[**TestEndpointParameters**](FakeApi.md#testendpointparameters) | **POST** /fake | Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
 [**TestEnumParameters**](FakeApi.md#testenumparameters) | **GET** /fake | To test enum parameters
 [**TestGroupParameters**](FakeApi.md#testgroupparameters) | **DELETE** /fake | Fake endpoint to test group parameters (optional)
 [**TestInlineAdditionalProperties**](FakeApi.md#testinlineadditionalproperties) | **POST** /fake/inline-additionalProperties | test inline additionalProperties
@@ -616,9 +616,9 @@ No authorization required
 
 > void TestEndpointParameters (decimal number, double _double, string patternWithoutDelimiter, byte[] _byte, int integer = null, int int32 = null, long int64 = null, float _float = null, string _string = null, System.IO.Stream binary = null, DateTime date = null, DateTime dateTime = null, string password = null, string callback = null)
 
-Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
 
-Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
 
 ### Example
 
@@ -658,7 +658,7 @@ namespace Example
 
             try
             {
-                // Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트 
+                // Fake endpoint for testing various parameters  假端點  偽のエンドポイント  가짜 엔드 포인트
                 apiInstance.TestEndpointParameters(number, _double, patternWithoutDelimiter, _byte, integer, int32, int64, _float, _string, binary, date, dateTime, password, callback);
             }
             catch (ApiException e)