netcore

Prerequisites

• I have written a descriptive issue title
• I have verified that I am running the latest version of ImageSharp
• I have verified if the problem exist in both DEBUG and RELEASE mode
• I have searched open and closed issues to ensur

It is currently a pain to use an OxyPlot.WinfowsForms.PlotView with a transparent background: it throws if you set its BackColor to transparent. To avoid this, it is necessary to set the ControlStyles.SupportsTransparentBackColor style to true on the PlotView; however, Control.SetStyle is protected, so consumers must resort to reflection or extending PlotView to do so. This could be

gov.cn_SSL过滤.zip
in the pcap file,No.338 ,wireshark shows " Tcp out-of-order" and bruteshark can't recognize it.

Similar to open-telemetry/opentelemetry-dotnet#2138, we can cut .NET Core 2.1 from support matrix, as .NET Core 2.1 is end of life next month (https://devblogs.microsoft.com/dotnet/net-core-2-1-will-reach-end-of-support-on-august-21-2021/).

Since most of the projects list NETSTANDARD2.0 as the supported one, and not .NETCore2.1, the changes may be minimal, and mostly r