Indicates whether this ConfigurationElementCollection has been modified since it was last saved or loaded when overridden in a derived class.
protected internal override bool IsModified()
If the IsModified method of any ConfigurationElement contained within a ConfigurationElementCollection returns true, the IsModified method of the entire collection returns true as well.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.