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Bogdan
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 Posted: Sat Feb 18, 2006 12:03 pm Post subject: Using the systray in services |
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How can I process systray messages in a windows service?I need to display
an icon in the systray when the service is running, and remove it when it's
stopped, but the systray requires a handle to window where to send messages
when the icon is clicked or needs to be redrawn, and a service doesn't have
one.
Bogdan. |
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Remy Lebeau (TeamB)
Guest
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| Posted: Sat Feb 18, 2006 9:03 pm Post subject: Re: Using the systray in services |
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"Bogdan" <boprea (AT) xnet (DOT) ro> wrote in message
news:43f70392 (AT) newsgroups (DOT) borland.com...
| Quote: | How can I process systray messages in a windows service?
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You don't.
| Quote: | I need to display an icon in the systray when the service is
running, and remove it when it's stopped
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The best approach is to make a separate non-service executable that
continuously monitors the service's status.
Gambit |
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Vladimir Stefanovic
Guest
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| Posted: Sun Feb 19, 2006 1:03 pm Post subject: Re: Using the systray in services |
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Hi,
There is API function ControlService(), which can 'send some
message' to a service from your non-service application.
Besides standard:
SERVICE_CONTROL_STOP
SERVICE_CONTROL_PAUSE
SERVICE_CONTROL_CONTINUE
SERVICE_CONTROL_INTERROGATE
SERVICE_CONTROL_SHUTDOWN
it can be used to send user defined message:
SERVICE_USER_DEFINED_CONTROL
.... and so force the service to do something specific. Mainly, I use
user defined way to tell a service to reload the configuration because
I changed it with my non-service app.
--
Best Regards,
Vladimir Stefanovic |
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Mark Jacobs
Guest
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| Posted: Wed Feb 22, 2006 4:03 pm Post subject: Re: Using the systray in services |
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"Bogdan" <boprea (AT) xnet (DOT) ro> wrote in message
news:43f70392 (AT) newsgroups (DOT) borland.com...
| Quote: | How can I process systray messages in a windows service?I need to display
an icon in the systray when the service is running, and remove it when it's
stopped, but the systray requires a handle to window where to send messages
when the icon is clicked or needs to be redrawn, and a service doesn't have
one.
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Services are not meant to have any UI whatsoever. Some command line switches,
perhaps, but, as Remy quite rightly put it, you need a non-service bit to run
in the GUI to catch messages in the GUI's message queue. Using Vladimir's
post, you can forward the relevant ones onto your service somehow.
--
Mark Jacobs
DK Computing
http://www.dkcomputing.co.uk |
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Boba
Guest
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| Posted: Thu Feb 23, 2006 3:03 pm Post subject: Re: Using the systray in services |
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"Bogdan" <boprea (AT) xnet (DOT) ro> wrote in message
news:43f70392 (AT) newsgroups (DOT) borland.com...
| Quote: | How can I process systray messages in a windows service?I need to
display
an icon in the systray when the service is running, and remove it when
it's
stopped, but the systray requires a handle to window where to send
messages
when the icon is clicked or needs to be redrawn, and a service doesn't
have
one.
Bogdan.
Most of my services create a hidden window for that. |
Many of them provide User Interface for faster communication
(instead of loading administrative tools). The systray icon
sends messages within the 0x0200-0x2009 range. I also provide
an option of dispaying this icon through the service cpl
config tool. Boba |
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