ConfigurationElementCollection.BaseAdd Method (ConfigurationElement)
Adds a configuration element to the ConfigurationElementCollection.
Assembly: System.Configuration (in System.Configuration.dll)
Use the ConfigurationElement to the collection. Override it in a derived class if custom behavior is required when the element is added.method to add a new
When adding, an element is considered a duplicate only if the keys are identical but the values are different. Elements with identical keys and values are accepted silently because the elements do not compete. However, an element with an identical key but a different value cannot be added because there is no logic to determine which of the competing values should be honored.
Available since 2.0