FAQ-0823 How can I override user preferences for ISP dial-up?


FAQ-0823 How can I override user preferences for ISP dial-up?

» Symbian OS » Developer Knowledgebase » FAQ-0823

Classification:	C++	Category:	Networking
Created:	09/20/2002	Modified:	10/07/2002
Number:	FAQ-0823
Platform:	Symbian OS v6.0, Symbian OS v6.1

Question:
My app needs to use a particular ISP and should not keep putting up a request dialog. How can I achieve these things?

Answer:
In general you should avoid overriding user preferences but, if you need to for special reasons, you can achieve this by doing the following two things.

First configure a Comms Db override object with the dial-up settings you want.
Then pass it as an argument to RNetDial::StartDialOut(...) (in v6.0) or RGenericAgent::StartOutgoing(...) (in v6.1).

The following code indicates how this can be achieved in v6.0:

TUint32 isp; // = the address of the isp you want to connect to
TRequestStatus iStatus;
RNetDial iNetDial;
...
CStoreableOverrideSettings* overrides=CStoreableOverrideSettings::NewL(

CStoreableOverrideSettings::EParamListPartial, EDatabaseTypeISP);CleanupStack::PushL(overrides);
User::LeaveIfError(overrides->SetIntOverride(TPtrC(DIAL_OUT_ISP), KNullDesC,isp));
User::LeaveIfError(overrides->SetIntOverride(TPtrC(ASK_USER_BEFORE_DIAL), KNullDesC, (TInt) EFalse));
iNetDial.StartDialOut(*overrides, iStatus); // v6.0 only
User::WaitForRequest(iStatus);
CleanupStack::PopAndDestroy(); // overrides
For v6.1, rather than using an RNetDial, you would declare an RGenericAgent:

RGenericAgent iNetAgent;
and the connection would be established as follows:

User::LeaveIfError(iNetAgent.Open());
iNetAgent.StartOutgoing(*overrides, iStatus);
User::WaitForRequest(iStatus);
iNetAgent.Close();
CleanupStack::PopAndDestroy(); // overrides
Notes

1. Normally the above code would be embedded in an active object rather than using User::WaitForRequest().
2. You will need separate code to deal with EDatabaseTypeIAP.