Which API can detect the PC going sleep?

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4 total messages Started by James5950 Fri, 20 Jun 2008 23:55

#84

Author: James5950
Date: Fri, 20 Jun 2008 23:55

10 lines
1136 bytes

Dear All,

My application need close before PC into sleep mode.
How can I do now?

Thanks for any suggestions and comments,

Best regards,

James

Re: Which API can detect the PC going sleep?

#85

Author: Remy Lebeau (TeamB)
Date: Sat, 21 Jun 2008 00:18

12 lines
1216 bytes

"James5950" <James@1come.com.tw> wrote in message 
news:485c4381@newsgroups.borland.com...

> My application need close before PC into sleep mode.
> How can I do now?

Intercept the WM_POWERBROADCAST message and look for the PBT_APMSUSPEND 
notification.


Gambit

Re: Which API can detect the PC going sleep?

#100

Author: Colin B Maharaj
Date: Thu, 26 Jun 2008 12:26

18 lines
1426 bytes

Hi Remy,
Is it possible to know if the sleep mode is
available or turned on?

Remy Lebeau (TeamB) wrote:
> "James5950" <James@1come.com.tw> wrote in message 
> news:485c4381@newsgroups.borland.com...
> 
>> My application need close before PC into sleep mode.
>> How can I do now?
> 
> Intercept the WM_POWERBROADCAST message and look for the PBT_APMSUSPEND 
> notification.
> 
> 
> Gambit 
> 
>

Re: Which API can detect the PC going sleep?

#101

Author: Darko Miletic
Date: Thu, 26 Jun 2008 13:58

29 lines
1661 bytes

Colin B Maharaj wrote:
> Hi Remy,
> Is it possible to know if the sleep mode is
> available or turned on?
> 

Yes.


#define WIN32_NO_STATUS
#include <windows.h>
#undef WIN32_NO_STATUS
#include <ntstatus.h>
#include <powrprof.h>
#pragma comment(lib,"powrprof.lib")


bool SleepModePresent(void) {
	SYSTEM_POWER_CAPABILITIES sc = {};
	NTSTATUS ret = CallNtPowerInformation(
	  SystemPowerCapabilities,
	  NULL,
	  0ul,
	  &sc,
	  sizeof(sc)
	);
	return   (ret == STATUS_SUCCESS)
		  && ( sc.SleepButtonPresent);
}

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