Can't hide or disable the close button on QWizard

问题

A QWizard dialog by default has a context help [?] and a close [X] button in the top right corner. I can hide the context help button, but I can't get the close button to disappear using setWindowFlags. For example:

# preserves current window flags but removes context help button
self.setWindowFlags(self.windowFlags() & ~QtCore.Qt.WindowContextHelpButtonHint)

# has no effect
self.setWindowFlags(self.windowFlags() & ~QtCore.Qt.WindowCloseButtonHint)

Anyone know why this is?

回答1:

The CustomizeWindowHint flag needs to be set before the WindowCloseButtonHint flag can be changed. The full code is:

# enable custom window hint
self.setWindowFlags(self.windowFlags() | QtCore.Qt.CustomizeWindowHint)

# disable (but not hide) close button
self.setWindowFlags(self.windowFlags() & ~QtCore.Qt.WindowCloseButtonHint)

来源：https://stackoverflow.com/questions/27496686/cant-hide-or-disable-the-close-button-on-qwizard