property_copyAttributeValue(_:_:)
Returns the value of a property attribute given the attribute name.
Declaration
func property_copyAttributeValue(_ property: objc_property_t, _ attributeName: UnsafePointer<CChar>) -> UnsafeMutablePointer<CChar>?Parameters
- property:
The property whose value you are interested in.
- attributeName:
A C string representing the name of the attribute.
Return Value
The value string of the attributeName attribute, if one exists in property; otherwise, nil. You must free the returned value string with free().