C# Iterate Dictionary

Using "foreach" and "KeyValuePair" as the element. Refer to this: http://stackoverflow.com/questions/141088/what-is-the-best-way-to-iterate-over-a-dictionary-in-c

C# Start New Process

This is how it's done:http://stackoverflow.com/questions/258416/shellexecute-equivalent-in-net

If you need to start multiple processes asynchronously, you'd need to first start multiple threads and then within each thread, each process is started.

Reference for this: http://www.codeproject.com/Articles/25983/How-to-Execute-a-Command-in-C

How to add arguments: http://msdn.microsoft.com/en-sg/library/system.diagnostics.processstartinfo.arguments.aspx

C# Getting Time Since Epoch

Many things are simpler in C# than e.g. in Java, but getting the Epoch time is an exception, and this is how it's done.

TimeSpan timeSpan = DateTime.UtcNow - new DateTime(1970, 1, 1); double currentTime = timeSpan.TotalSeconds;