C＃应用程序之间的通信 - 简单的方法

I have two C# programs and I want to send some data back and forth between them. (And check if the data arrived to the other application.) The two programs will always run on the same computer, so no networking capability is required. I've already read some questions with similar topics here, but I'm not entirely sure which is the right method for me. (WCF, Remoting, etc.)I have two C# programs and I want to send some