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Join Date: Jun 2007
Location: Iran
Posts: 19
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Newbie Poster
Changing system Time Format Hi All
how can I change System time format From hh:mm:ss(12 Hour) to HH:mm:ss(24 Hour) Using Delphi code?
Thanks
how can I change System time format From hh:mm:ss(12 Hour) to HH:mm:ss(24 Hour) Using Delphi code?
Thanks
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Join Date: Oct 2007
Location: Cherry Hill, NJ
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Are you talking about Delphi's ShortDateFormat /ShortTimeFormat /LongDateFormat /LongTimeFormat variables (in SysUtils)?
Or are you talking about changing something in the OS?
Or are you talking about changing something in the OS?
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Join Date: Jun 2007
Location: Iran
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Newbie Poster
Dear Duas
Thankyou for Your Answer.
about your question I mast Say No I want to changing format of OS time by sume Delphi instructions
Thankyou for Your Answer.
about your question I mast Say No I want to changing format of OS time by sume Delphi instructions
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Join Date: Sep 2007
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Junior Poster in Training
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Originally Posted by fayyaz 
Dear Duas
Thankyou for Your Answer.
about your question I mast Say No I want to changing format of OS time by sume Delphi instructions
One way would be to change the Windows Registry settings directly. The entries you are looking for are the sLongDate, sShortDate and sTimeFormat strings under HKEY_CURRENT_USER\Control Panel\International. You can use the Delphi TRegistry object to manipulate these entries.
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Join Date: Jun 2007
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Thankyou very much "ExplainThat "
whold you please send me a simple Example code for using registry Object?
Thankyou
whold you please send me a simple Example code for using registry Object?
Thankyou
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Join Date: Sep 2007
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Originally Posted by fayyaz
Thankyou very much "ExplainThat "
whold you please send me a simple Example code for using registry Object?
Thankyou
End of my working day here so a detailed example will have to wait for tomorrow. If you really want to have a go at it right away just take a look at the TRegistry object methods in Delphi help. Your code would go something like this
with TRegistry.Create(Self) do try OpenKey(...); //modify key contents here finally Free end;
Quoting from memory so there might be errors. TRegistry is not hard to play with so you might find that the examples in Delphi Help sufficient. Do post a message saying if you have managed on your own so I don't end up spending time telling what you already know.
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Join Date: Jun 2007
Location: Iran
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Newbie Poster
Thankyou "ExplainThat "
I write Same code And I can Change Registry
But I mast restart computer after runing code for making effect on time Format
is any way that dont need to restart system
Thanks
I write Same code And I can Change Registry
But I mast restart computer after runing code for making effect on time Format
is any way that dont need to restart system
Thanks
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Join Date: Oct 2007
Location: Cherry Hill, NJ
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I've never done it, but I think you just need to tell the tray to repaint itself.
You should be able to do it with something like the following:
Let us know if that doesn't work.
You should be able to do it with something like the following:
Delphi Syntax (Toggle Plain Text)
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Join Date: Sep 2007
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Originally Posted by Duoas
I've never done it, but I think you just need to tell the tray to repaint itself.
You should be able to do it with something like the following:
Let us know if that doesn't work.Delphi Syntax (Toggle Plain Text)
I am almost certain that works. In case it does not, here is a trick I remember using
- Change the registry strings
- Use the Windows GetLocalTime function to fetch the current time in a SystemTime structure.
- Sleep(1)
- Call Windows SetLocalTime using the SystemTime data obtained above.
I remember doing this but not with WindowsXP. Seem to recall that I did a Sleep(1) to ensure that Windows recognized that the time was in fact different.
This is nothing short of a cheap hack. Try the tray repaint technique first.
Last edited by ExplainThat : Dec 21st, 2007 at 3:24 am.
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Join Date: Oct 2007
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Ah, glad I wasn't completely off in left field. I was sure ExplainThat had a better clue here than I...
The sleep() is required to give the registry time to update (it isn't absolutely instantaneous).
The sleep() is required to give the registry time to update (it isn't absolutely instantaneous).
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