Starts the specified program and attempts to open a connection to the specified session. The session must have been previously created in the corresponding program, and a HLLAPI session ID must have been set for that session.

Namespace: JollyGiant.Emulation
Assembly: JGSComdotNet (in JGSComdotNet.dll) Version: 1.0.0.0 (1.0.0.0)

Syntax

C#
StatusCode StartSession( string qwsPath, string sessionName )

Visual Basic (Declaration)
Function StartSession ( _ qwsPath As String, _ sessionName As String _ ) As StatusCode

Visual C++
StatusCode StartSession( String^ qwsPath, String^ sessionName )

JavaScript
function StartSession(qwsPath, sessionName);

Parameters

qwsPath
Type: System...String
Full name and path of the QWS program executable, for example "C:\Program Files\QWS3270 PLUS\qws3270p.exe"

sessionName
Type: System..String
The name of the session to connect to.

Return Value

The StatusCode indicating the result of the operation.

This can be one of the following values:

Status code	Description
Ok	The new process was successfully started with the specified session. Note that this does not guarantee that the session exists, or that the connection to the remote host was made.
WHLLSTARTPROCFAILED	The process could not be started.
WHLLUNKNOWN	An unknown error occurred.

Examples

Starts a new QWS3270 PLUS instance and tries to connect to "WorkSession".

C#

void reportError(JollyGiant.Emulation.StatusCode code)
{
    Console.WriteLine(JollyGiant.Emulation.Utility.errorToString(code));
}
QWS3270 qws = new QWS3270();

string path = @"C:\Program Files\QWS3270 PLUS\qws3270p.exe";
string session = "WorkSession";
JollyGiant.Emulation.StatusCode code =
    qws.Application.StartSession(path, session);

if (code == StatusCode.Ok)
    reportError(code);

Exceptions

Exception	Condition
System..::.ArgumentException	One of the supplied arguments was null or an empty string.
System.IO..::.FileNotFoundException	The path to the executable passed to the method was invalid.

See Also

IApplication Interface

JollyGiant.Emulation Namespace

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Copyright 2009 by Jolly Giant Software, Inc.

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