,, can you tell me the Qt hair message give QTableWidget form in the worker thread, and insert a few QProgressBar, and every QProgessBar synchronous update from the value of the worker thread, this and create a thread in the thread? You can do this? Or you, have a good way to achieve? In several QProgressBar QTableWidget inserted at the same time, and each QProgressBar value, will accept sending a message to the independent window, update and display its value,