XmlImplementation.HasFeature Method (String, String)
Tests if the Document Object Model (DOM) implementation implements a specific feature.
Assembly: System.Xml (in System.Xml.dll)
The package name of the feature to test. This name is not case-sensitive.
This is the version number of the package name to test. If the version is not specified (null), supporting any version of the feature causes the method to return true.
Return ValueType: System.Boolean
true if the feature is implemented in the specified version; otherwise, false.
The following table shows the combinations that cause HasFeature to return true.
Available since 10
Available since 1.1