Button.setMask Button.setMask(self, arg__1: PySide6.QtGui.QRegion | PySide6.QtGui.QBitmap | PySide6.QtGui.QPolygon | PySide6.QtCore.QRect, /) → None Button.setMask(self, arg__1: PySide6.QtGui.QBitmap | str, /) → None