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Diffstat (limited to 'src/qml/qml/qqmlengine.cpp')
| -rw-r--r-- | src/qml/qml/qqmlengine.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/qml/qml/qqmlengine.cpp b/src/qml/qml/qqmlengine.cpp index 54cc07af2e..dcc2f8f7f5 100644 --- a/src/qml/qml/qqmlengine.cpp +++ b/src/qml/qml/qqmlengine.cpp @@ -1063,6 +1063,16 @@ QQmlEngine::~QQmlEngine() Once the component cache has been cleared, components must be loaded before any new objects can be created. + \note Any existing objects created from QML components retain their types, + even if you clear the component cache. This includes singleton objects. If you + create more objects from the same QML code after clearing the cache, the new + objects will be of different types than the old ones. Assigning such a new + object to a property of its declared type belonging to an object created + before clearing the cache won't work. + + As a general rule of thumb, make sure that no objects created from QML + components are alive when you clear the component cache. + \sa trimComponentCache() */ void QQmlEngine::clearComponentCache() |