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True if the property exists, False otherwise.
Name of the control or name of the class instance to use. If this parameter corresponds to the name of a control, the property is searched among the standard WLanguage properties.If this parameter corresponds to a Class variable, the property is searched among the properties defined for the class.
Name of the property whose existence must be checked.
Last update: 09/18/2020
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All you have to do is configure your product as follows: