Updating canvas using TApplication

[couet]

there is some example on the forum. May be see:

Threads with standalone program

Hello Rooters I am trying to build a standalone C++ program (that is, that contains a “main”) wich compute some quantities and use ROOT graphics to display results as the computation goes. Unfortunately, I cannot interact with ROOT Canvas while the main program is running. I have attached a small example to show the problem. There is an example in ROOT ( root/test/threads.cxx ) using TThreads to solve this problem but I was wondering if there was not an easier way. Thanks main.cxx (2.19 KB) …