Re: user defined WM_ question: update

I'm sorry, how did you come up w/ these INTERNET_STATE_CONNECTED, etc.
masks? The function's test flags are:
INTERNET_CONNECTION_CONFIGURED
INTERNET_CONNECTION_LAN
INTERNET_CONNECTION_MODEM
INTERNET_CONNECTION_MODEM_BUSY
INTERNET_CONNECTION_OFFLINE
INTERNET_CONNECTION_PROXY


On Wed, Aug 26, 2009 at 11:27 PM, Eric Strain<eric_strain1-/[email protected]> wrote:
>
>
> Nope, same objective, I was just trying to re-word the help request. I wrote
> a test app that implements InternetGetConnectedState( ) and even on a
> machine with an active internet connection, such as this one, I get
> INTERNET_STATE_DISCONNECTED as the return and that of course fires  my
> message box stating that fact. I don't know how much yahoo will mangle my
> code but what I am using is pasted below. It is inside an OnClicked( )
> handler attached to a UI button on an MFC Dialog app.
>
> //start code
>
>     BOOL bConnected;
>     DWORD dwFlags;
>
>     bConnected = InternetGetConnectedState(&dwFlags, 0);
>     if(bConnected)
>     {
>         if(dwFlags & INTERNET_STATE_CONNECTED)
>         {
>             bConnected = TRUE;
>             MessageBox("Network Is Connected...","Network Connected",MB_OK);
>         }
>         else if(dwFlags & INTERNET_STATE_DISCONNECTED) //this keeps firing
> even if
>
> {
> //connected  to internet
>             bConnected = FALSE;
>             MessageBox("Network Disconnected...","Network Not
> Connected",MB_OK);
>         }
>         else if(dwFlags & INTERNET_STATE_DISCONNECTED_BY_USER)
>         {
>             bConnected = FALSE;
>             MessageBox("Network Disconnected By User Request...","Network
> Not Connected",MB_OK);
>         }
>         else if(dwFlags & INTERNET_STATE_IDLE)
>         {
>             bConnected = TRUE;
>             MessageBox("Network State Idle...","Network Not Busy",MB_OK);
>         }
>         else if(dwFlags & INTERNET_STATE_BUSY)
>         {
>             bConnected = TRUE;
>             MessageBox("Network Busy: Wininet requests ...","Network
> Busy",MB_OK);
>         }
>         else
>         {
>             //empty for now
>         }
>     }
>     else
>     {
>         MessageBox("Network Not Connected...","Network Failure", MB_OK);
>     }
>
>
> //end code
>
>  As a side note, I'm still trying to figure out how to get a WM_USER event
> to fire automatically. Any ideas?
>
> -Eric
>
> --- On Tue, 8/25/09, Richard Howells <[email protected]> wrote:
>
> From: Richard Howells <[email protected]>
> Subject: RE: [OT] user defined WM_ question: update
> To: [email protected]
> Date: Tuesday, August 25, 2009, 3:57 PM
>
>
>
> Hey – did you change your objective?
>
> Original “event that I need to trap is a network failure of any kind”,
>
> Recent “network has limited or no connectivity”
>
>
>
> Network.IsConnected does call InternetGetConnectedState (not the Ex version)
> but it does a whole stack of other stuff FIRST.
>
>
>
> Cheers,
>
>
>
> Richard
>
> richard-yP/[email protected]
>
> www.dynamisys.co.uk
>
> L: (+44) (0)1793 731225
>
> M: (+44) (0)7732 971786
>
>
>
> Dynamisys Ltd is registered, No 4152561, in the UK
>
>
>
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Eric Strain
> Sent: 25 August 2009 23:49
> To: [email protected]
> Subject: Re: [OT] user defined WM_ question: update
>
>
>
>
>
>   I looked at that function and it looks like that might do the trick. I'll
> have to write a test app and test it first but it looks promising. Thanks.
>
> -Eric
>
> --- On Tue, 8/25/09, Stoyan Damov <[email protected]> wrote:
>
> From: Stoyan Damov <[email protected]>
> Subject: Re: [OT] user defined WM_ question: update
> To: [email protected]
> Date: Tuesday, August 25, 2009, 3:26 PM
>
> You could poll the interfaces in interest by calling
> InternetGetConnectedStateEx, or harness your Google skills ;)
>
> On Wed, Aug 26, 2009 at 1:23 AM, Eric Strain<eric_strain1-/[email protected]> wrote:
>>
>>
>> primarily I am trying to duplicate the functionality in windows that
>> notifies the user when the network has limited or no connectivity. I want
>> my app to know when the network has limited or no connectivity. Any idea
>> how
>> windows detects that condition?
>>
>> -Eric
>>
>> --- On Tue, 8/25/09, Stoyan Damov <[email protected]> wrote:
>>
>> From: Stoyan Damov <[email protected]>
>> Subject: Re: [OT] user defined WM_ question: update
>> To: [email protected]
>> Date: Tuesday, August 25, 2009, 2:52 PM
>>
>> You *can't* possibly be thinking that every Windows machine
>> continuously polls all machines on the network to detect if any of
>> them is down.
>> If that's what you're trying to accomplish, develop an app which
>> multicasts heartbeats on a configurable time interval and run it on
>> all machines. Then, on the machine on which you'd like to detect
>> outages, create and run an app which listens for such heartbeats,
>> collects all ips from the heartbeats, and if it detects that an ip
>> hadn't sent a heartbeat in some time interval it notifies the UI.
>>
>> Anything "simpler" sounds like "I need a Delphi component which can
>> put a lion in a cage which I can drop on my form"...
>>
>> Cheers
>>
>> On Wed, Aug 26, 2009 at 12:41 AM, Eric Strain<eric_strain1-/[email protected]>
>> wrote:
>>>
>>>
>>> Hi Curt,
>>> Thanks for the reply. What I am trying to do is have my application
>>> automatically know as soon as any network failure of any kind occurs.
>>> This
>>> includes anything from someone unplugging the network cable, to a server
>>> on
>>> the network going down for some reason. I'm using MFC with VC6.0
>>> Professional IDE on WinXP. I'm hoping there is an API available and that
>>> I
>>> don't have to resort to .NET to accomplish what I want. Any ideas?
>>>
>>> -Eric
>>>
>>> --- On Mon, 8/24/09, Curt Hagenlocher <[email protected]> wrote:
>>>
>>> From: Curt Hagenlocher <[email protected]>
>>> Subject: Re: [OT] user defined WM_ question: update
>>> To: [email protected]
>>> Date: Monday, August 24, 2009, 4:24 PM
>>>
>>>
>>>
>>> I imagine you still need some kind of listener for the "targeted event".
>>> Your listener could then use PostMessage(WM_MYEVENT, 0, 0) to tell the UI
>>> thread that the event has happened. You haven't provided any specific
>>> information about the "targeted event", though -- for all I know, it's
>>> got
>>> a
>>> specialized API to do exactly what you want.
>>> On Mon, Aug 24, 2009 at 2:00 PM, Eric Strain <eric_strain1-/[email protected]>
>>> wrote:
>>>>
>>>>
>>>> OK, I got the WM_USER code to work, now is it possible to get the event
>>>> handler to fire automatically? I really don't want to use polling, even
>>>> if
>>>> it is on a separate thread. Currently I have the WM_USER event being
>>>> triggered through SendMessage(WM_MYEVENT,0,0); inside an OnClicked( )
>>>> handler attached to a UI button. Although this is working in my test
>>>> app,
>>>> I
>>>> want the event to be fired automatically by the OS when the targeted
>>>> event
>>>> occurs.
>>>>
>>>> Any ideas? Thanks guys.
>>>>
>>>> -Eric
>>>>
>>>> --- On Sun, 8/23/09, Eric Strain <eric_strain1-/[email protected]> wrote:
>>>>
>>>> From: Eric Strain <eric_strain1-/[email protected]>
>>>> Subject: [OT] user defined WM_ question
>>>> To: [email protected]
>>>> Date: Sunday, August 23, 2009, 5:17 PM
>>>>
>>>>
>>>>
>>>> Hi All,
>>>> I have a function that I need to fire when a specific event occurs. The
>>>> event that I need to trap is a network failure of any kind. I have the
>>>> code
>>>> that detects when a network failure has occurred but at present the
>>>> function
>>>> is inside a command line interface program and I want to transfer that
>>>> function into an MFC app and have the function activated by a WM_ event.
>>>> My
>>>> question is, is it possible to get the user defined WM_ to fire
>>>> automatically, or does the user have to send the event message manually,
>>>> such as by clicking a UI button or something?
>>>>
>>>> Also, I considered using WM_USER to define the custom WM_ message, but
>>>> my
>>>> research indicates that WM_APP is the preferred method for defining a
>>>> custom
>>>> message. Any thoughts on this? Even better, any concrete examples? ; )
>>>> I've
>>>> looked all over the net and through my library of books with no luck.
>>>> It's a
>>>> shame a person can't loose weight by running in circles, because I seem
>>>> to
>>>> be getting nowhere fast. Thanks guys.
>>>>
>>>> -Eric
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>> ------------------------------------
>>
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>
>
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