[Gambas-user] gb3: Format$

[nando]

18:35 is 6:35 pm
just in 24 hour time 



---------- Original Message -----------
From: Kevin Fishburne <kevinfishburne at ...1887...>
To: gambas-user at lists.sourceforge.net
Sent: Sat, 25 Jun 2011 18:45:16 -0400
Subject: Re: [Gambas-user] gb3: Format$

> On 06/24/2011 06:42 PM, Benoît Minisini wrote:
> >> I'm using this to print a formatted date:
> >>
> >> Draw.Text("Date and Time: "&  CDate(Server.DateCurrent)&  " ("&
> >> Format$(CDate(Server.DateCurrent), "hh:nn:AM/PM")&  ")", 32, ystart - 1)
> >>
> >> It seems that Format$ actually changes the value of Server.DateCurrent,
> >> making it AM when it should be PM. Format$ is actually forcing the hour
> >> to be between 1 and 12. Shouldn't Format$ simply return a value and not
> >> overwrite the expression?
> >
> > Format$() does not change its arguments, as any other functions in Gambas.
> >
> > When AM/PM is specified, the hour is displayed between 1 and 12. If the real
> > hour is greater or equal than 12:00, then PM is printed. Otherwise AM is
> > printer.
> 
> That makes perfect sense and was the expected behavior. I'm not sure 
> what's happening here, but this test code:
> 
> Public Sub Main()
> 
>    Dim t As Float
> 
>    t = CFloat(Now) ' Current time and date.
> 
>    Print "1: CDate(t):                         " & CDate(t)
>    Print "2: Format$(CDate(t), \"hh:nn:AM/PM\"): " & Format$(CDate(t), 
> "hh:nn:AM/PM")
>    Print "3: CDate(t):                         " & CDate(t)
>    Print "4: Format$(CDate(t), \"hh:nn:AM/PM\"): " & Format$(CDate(t), 
> "hh:nn:AM/PM")
>    Print "5: CDate(t):                         " & CDate(t)
> 
> End
> 
> Produces these results:
> 
> 1: CDate(t):                         06/25/2011 18:35:46.837
> 2: Format$(CDate(t), "hh:nn:AM/PM"): 06:35:PM
> 3: CDate(t):                         06/25/2011 06:35:46.837
> 4: Format$(CDate(t), "hh:nn:AM/PM"): 06:35:AM
> 5: CDate(t):                         06/25/2011 06:35:46.837
> 
> I checked, and the value of variable "t" is not being changed. However, 
> after the first Format$, CDate(t) returns a different value than before 
> the first Format$. Any idea why? Lines 1 and 2 look good, but it seems 
> like lines 1 and 3 should print the same value. Somehow the Format$ line 
> continues to have an effect on the subsequent lines.
> 
> I hope I'm really not so stupid that I'm missing something obvious. I'm 
> not even drinking right now!
> 
> -- 
> Kevin Fishburne
> Eight Virtues
> www: http://sales.eightvirtues.com
> e-mail: sales at ...1887...
> phone: (770) 853-6271
> 
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------- End of Original Message -------