Question

is using global variables as params the only way or is there a more fashionate way to do it?

Answer 1

You can use ParameterizedThreadStart to start a thread with parameters.

Example:

Thread newThread = new Thread(myObj.DoMethod);
newThread.Start(parameter);

Although, I usually end up using lambdas

Thread newThread = new Thread(() => myObj.DoMethod(param1, param2, param3));
newThread.Start();

This can be more convenient because ParameterizedThreadStart takes a single object as a parameter. This is rarely what I want.