'Declaration Public Property CustomProperties As AppStyleProperty()
public AppStyleProperty[] CustomProperties {get; set;}
Note: The AppStyleProperty.PropertyName is case insensitive so property names must be unique with respect to the other AppStyleProperty instances in the CustomProperties for the component being defined.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2