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| QWS3270 COM .NET Help |
| Application..::.Start Method (String, String, Char%, Int32, String) |
| Application Class Example See Also Send Feedback |
Namespace: JollyGiant.Emulation
Assembly: JGSComdotNet (in JGSComdotNet.dll) Version: 1.0.0.0 (1.0.0.0)
Syntax
| C# |
|---|
[ComVisibleAttribute(false)] public StatusCode Start( string qwsPath, string hostname, ref char sessionID, int port, string termType ) |
| Visual Basic (Declaration) |
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<ComVisibleAttribute(False)> _ Public Function Start ( _ qwsPath As String, _ hostname As String, _ ByRef sessionID As Char, _ port As Integer, _ termType As String _ ) As StatusCode |
| Visual C++ |
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[ComVisibleAttribute(false)] public: virtual StatusCode Start( String^ qwsPath, String^ hostname, wchar_t% sessionID, int port, String^ termType ) sealed |
| JavaScript |
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function Start(qwsPath, hostname, sessionID, port, termType); |
Parameters
qwsPath Type: System..::.StringThe fully qualified path to the QWS program to use.
hostname Type: System..::.StringHost name or IP address of the host you want to connect to.
sessionID Type: System..::.Char %The session ID to use. The specified ID is only a request to the program. If the requested ID is already in use by another program instance, the last unused ID (Z-A) will be selected and returned in this parameter. You will need this ID to establish a logical connection to the session before you can exchange information with it.
port Type: System..::.Int32The port number the host is listening on for incoming connections.
termType Type: System..::.StringRequested terminal type string (IBM-3278-2-E"). If this parameter is null or empty, the program default terminal type will be used.
Return Value
The StatusCode indicating the result of the operation.This can be one of the following values:
| Status code | Description |
|---|---|
| Ok | The new program instance was started successfully. |
| InvalidPsId | The requested session ID was not a valid (A-Z,a-z) character. |
| WHLLTOOMANYSESSIONS | All 26 session IDs are already in use. |
| WHLLSTARTPROCFAILED | Unable to start the new process. |
| WHLLUNKNOWN | An unknown error occurred. |
Implements
IApplication..::.Start(String, String, Char%, Int32, String)Examples
string qwsPath = @"C:\Program Files\QWS3270 PLUS\qws3270p.exe"; string hostName = @"jollygiant.dnsalias.com"; string termType = @"IBM-3279-4-E"; char id = 'A'; int port = 1023; StatusCode sc = qws.Start(qwsPath, hostName, ref id, port, termType);
Exceptions
| Exception | Condition |
|---|---|
| System..::.ArgumentException | Program path or host name are null or empty strings. |
| System.IO..::.FileNotFoundException | The file specified in qwsPath could not be found. |