public bool this[ 
   string key
]; {get; set;}

public:
property bool default [String^] {
   bool get(String^ key);
   void set (String^ key, bool value);
}

Parameters

key

Target Platforms: 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

Reference

ApplicationFrameworkApplication.FlagCollection Class
ApplicationFrameworkApplication.FlagCollection Members