The problem is that I don't need to have a dialog box to remind, and dialog box is not a set of ah, I don't know how to have a dialog box, to be cancelled? It jumped out from

CodePudding user response:

What is estimated to be in the program you have pop-up
Debug mode when the pop-up window, pause, then watch thread and stack, and see what place is a pop-up, shielding

CodePudding user response:

Not sure, should be a system of dialog box, do not know to be blocked