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RasManager.txt
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RASManager.pas
Written by Frank Plagge
Copyright (c) 1998-2002 by Frank Plagge, Elsterweg 39, 38446 Wolfsburg, Germany
All rights reserved
*****************************************************************************
Remote Access external API
Public header for external API clients
ras.h - Copyright (c) 1992-1996, Microsoft Corporation, all rights reserved
*****************************************************************************
Please send comments to plagge@wolfsburg.de
V 1.01 - Aug 7th, 1998
first implementation, never trust a version 1.00 :-)
V 1.02 - Aug 23th, 1998
+ added real connected state
the property Connected represents the connection state from
RAS services. if the connection state for a service is needed
simply set the property RASName and next check the poperty
Connected.
V 1.03 - Sep 29th, 1998
+ fixed some uninititialized function results
V 1.04 - Oct 17th, 1998
+ minor changes
+ documentation completed - it's never complete :-)
+ first public release
V 1.05 - Apr 1st 2002
+ added getting the phone number of a RAS service
V 1.10 - July 26th 2002
+ complete new interface and internal design. now all available
ras service can be managed by one instance
*****************************************************************************
NO REPRESENTATIONS ARE MADE ABOUT THE SUITABILITY OF THIS SOFTWARE FOR ANY
PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
NEITHER FRANK PLAGGE OR ANY OTHER PERSON SHALL BE LIABLE FOR ANY DAMAGES
SUFFERED BY THE USE OF THIS SOFTWARE.
*****************************************************************************
description:
This is a component for an easy access to ras services. It includes
connecting and disconnecting services as well as an easy access to
important properties like connection state, IP numbers of client and server,
phone number, aerea code, country code, device name, device type and a time
stamp of the last connection state change.
I know there are much more possibilities with RAS, but there is no time to
implement all of them.
*****************************************************************************
properties and events at design time:
property OnConnect: TOnConnectionEvent read FOnConnect write FOnConnect; // connect event
property OnConnecting: TOnConnectingEvent read FOnConnecting write FOnConnecting; // disconnect event
property OnDisconnect: TOnConnectionEvent read FOnDisconnect write FOnDisconnect; // state change event during connection phase
*****************************************************************************
properties and events at runtime:
constructor Create(AOwner: TComponent); override; // create a new instance
destructor Destroy; override; // destroy an existing instance
procedure Connect( Index: Integer ); // connect a ras service
procedure DisConnect(Index: Integer); // disconnect a ras service
function IndexOf( Name: string ) : Integer; // get the index of a ras service by name
procedure Start; // start the autorefresh mechanism
procedure Stop; // stop the autorefresh mechanism
property Count: Integer read GetCount; // get the number of available ras connections
property AreaCode[Index: Integer]: string read GetAreaCode; // get area code by index
property Connected[Index: Integer]: Boolean read GetConnected; // get connection state by index
property CountryCode[Index: Integer]: Integer read GetCountryCode; // get countryCode by index
property DeviceName[Index: Integer]: string read GetDeviceName; // get device name by index
property DeviceType[Index: Integer]: string read GetDeviceType; // get device type by index
property Handle[Index: Integer]: THRasConn read GetHandle; // get ras service handle by index
property IPClient[Index: Integer]: string read GetIPClient; // get client ip number by index
property IPServer[Index: Integer]: string read GetIPServer; // get server ip number by index
property Name[Index: Integer]: string read GetName; // get connection name by index
property PhoneNumber[Index: Integer]: string read GetPhoneNumber; // get phone number by index
property TimeStamp[Index: Integer]: TDateTime read GetTimeStamp; // get state toggle timestamp by index
property Version: string read GetVersion;
*****************************************************************************
other very useful procedures
function GetStatusString(State: Integer): string; // convert state to string message