NewLC - calling procedure from GUI using TIMER - Comments

Re: calling procedure from GUI using TIMER

slavo3 — Wed, 05 Sep 2007 01:14:23 +0200

LOCAL_C TInt Callback(TAny* aArg)

- this is wrong

it must be

TInt NAME_CLASS::Callback(TAny* aArg)

And everything will be all right:)

Re: calling procedure from GUI using TIMER

slavo3 — Tue, 04 Sep 2007 22:16:35 +0200

Thanks for this code, but maybe do you know why I receive errors associate with function TCallBack(..):

ERROR: no matching function for call to 'TCallBack::TCallBack (TInt (CClientBTAppUi:(TAny *), CCLientBTAppUi *)'
ERROR: candidates are: TCallBack::TCallBack(const TCallBack &) e32std.h

Re: calling procedure from GUI using TIMER

alh — Tue, 04 Sep 2007 11:12:45 +0200

And for timer, the quickest is probably to use CPeriodic, along these lines;

//construct
iTimer = CPeriodic::NewL(CActive::EPriorityStandard);

[...]
//a callback for timer event
LOCAL_C TInt Callback(TAny* aArg)
{
   CMyView* view = (CMyView*)aArg;
   view->HandleCommandL(...);
   return 0;
}
[...]
//to start it from a function within the view:
  iTimer->Start(KDelayToStart, KInterval, TCallBack(Callback,this));

//to stop:
 iTimer->Cancel();

Re: calling procedure from GUI using TIMER

mickeyfirst — Tue, 04 Sep 2007 03:22:33 +0200

Hi,

I can catch your mind.

if you want to call a view::HandleCommandL, you can pass a pointor to this view into time object, then call the procedure via the pointor

Hope this answer is for your satisfaction.

calling procedure from GUI using TIMER

slavo3 — Mon, 03 Sep 2007 23:02:42 +0200

Hello,

How can I call procedure HandleCommandL(TInt param) from GUI usingã€€ TIMER? I must call this procedure every specific period of time.

Slawek