PySide.QtDeclarative.QDeclarativePropertyValueSource class is an interface for property value sources such as animations and bindings.
见 Property Value Sources for information on writing custom property value sources.
| 参数： | arg__1 – PySide.QtDeclarative.QDeclarativeProperty |
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Set the target 特性 for the value source. This method will be called by the QML engine when assigning a value source.
