Specifies the so called white list of characters, in other words the restricted recognition characters. It means that the engine shall only returns the specified characters when processing. For example, if you want to only recognize numeric characters, set this parameter to "0123456789". If you want to only recognize uppercase letters, set it to "ABCDEFGHIJKLMNOPQRSTUVWXYZ". Set this parameter to the empty string to recognize all characters.

'Declaration
 
Public Property CharWhiteList As String

public string CharWhiteList {get; set;}

public read-write property CharWhiteList: String; 

public function get,set CharWhiteList : String

public: __property string* get_CharWhiteList();
public: __property void set_CharWhiteList( 
   string* value
);

public:
property String^ CharWhiteList {
   String^ get();
   void set (    String^ value);
}