Calling functions one after other in event driven programming

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C#

.NET

delegates

EventLifeCycle

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I'm working on a software where software issues commands for hardware panel and once a command is issued, its response received after few seconds . there are different functions for different hardware commands like

public void FunctionA()
{
     StartCommandA();
}

and other functions on the same pattern that will be used to run other commands.

FunctionB();
FunctionC();

Once we receive the response of command A , I invoke the other function from the response but this approach is not good as per design pattern practices.

All i want to do is to make a list of functions and invoke all these functions one after other, But next function will be called once i get response of first functions.

What I have tried:

I tried this by using Multicast delegate but I'm unable to find out how we can call get the list of functions once i add all functions to that delegates. This is what i'm trying do since.

FunList funList_ConfigAndSerialTests = new FunList(StartSerialTest);

            funList_ConfigAndSerialTests += StartSerialTest;

            funList_ConfigAndSerialTests += StartMsrTest;

            funList_ConfigAndSerialTests += StartContactLessTest;

            //funList_ConfigAndSerialTests.Invoke();

            Delegate[] del = funList_ConfigAndSerialTests.GetInvocationList();

            foreach (Delegate item in funList_ConfigAndSerialTests.GetInvocationList())
            {
                while (true)
                {
                    if (IsResponseReceived == true)
                    {
                        // Call function here 
                    }
                }
            }