1############################################################################
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3## Copyright (C) 2016 The Qt Company Ltd.
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6## This file is part of the documentation of Qt for Python.
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49############################################################################
50
51//! [0]
52        propertyEdit = QDesignerPropertyEditorInterface()
53        propertyEditor = formEditor.propertyEditor()
54
55        propertyEditor.propertyChanged.connect(self.checkProperty)
56//! [0]
57
58
59//! [1]
60        def checkProperty(self, property, value):
61            propertyEditor = QDesignerPropertyEditorInterface()
62            propertyEditor = formEditor.propertyEditor()
63
64            object = propertyeditor.object()
65            widget = MyCustomWidget(object)
66
67            if (widget and property == aProperty and value != expectedValue):
68                # ...
69//! [1]
70
71
72