Improvement description

Extend the LegendExamples with one that first shows but then hides the legend.
Why? It took me a while to find the IsLegendVisible property.

Describe the bug

A clear and concise description of the bug.
when my asp.net core 3.1 app host in IIS, the url console is 127.0.0.1，so，when i have Multiple instances，the instances name will be the same,such as 127.0.0.1:svaname:port，eureka server think they are a single instance.
i print the console in source code：
![image](https://user-images.githubusercontent.com/6300834/101754289-8ad92

See #143 for example and Autofac documentation link.

C# has multiple types and ways of expressing a linear collection of finite data (that is, a type that contains n instances of some type T). Passing this collection to native code typically requires the user to contain it in an array, pin it, and acquire a pointer to the first element of the array.

Traditional P/Invoke allows a user to pass an array directly, and performs these operations un

When adding multiple rpc target classes, if multiple targets contain the same\similar method, the method in first target added is used (as documented). But I miss an option to disallow duplicates, as this is (in my case) always an error. Alternatives:
-Preferably a setting on JsonRpc itself that produce error when AddLocalRpcTarget is called
-A setting on JsonRpc itself that produce error during

How can I remove the charset=utf-8 from the request header when using the SendQueryAsync?

I have tried setting the GraphQLHttpClientOptions.MediaType to "application/json" (wich I also think is the default, so it shouldn't be necessary), but I still keep getting the Content-type header of the request to : application/json; charset=utf-8, which is rejected by the service I'm requesting, it needs

Supported scenarios and unsupported scenarios are not well explained outside the example on the README.

Improve Documentation with more examples and explanations of what will/won't work.

• Set up Github Pages site with great documentation

• Improve & Update README

• XML <summary> tags on classes & methods.