Re: [amibroker] Date Display in Title - Really Puzzling

Sat, 07 Oct 2006 08:25:46 -0700

Ken,
 
I overlooked that you used 0 as second argument of the ParamDate function. In such case (as you can see from the guide),
ParamDate returns DATENUM format which is YYYMMDD), while formatDateTime expects DateTime (compressed date+time) hence you got error.
 
Depending on how would you like to use it you have got three choices:
 
a) specify 1 as "format" parameter in ParamDate - then it will give you STRING immediatelly (without any conversion)
 
ParamDate("BuyDate","01/03/2006",1);
 
- this will give you string value at once
 
b) (using 4.85 beta new function DateTimeConvert) you can convert from DateNum to DateTime format
 
BuyDate = ParamDate("BuyDate","01/03/2006",0);
Title = WriteVal( DateTimeConvert( 2, BuyDate ), formatDateTime );
 
c) using StrFormat
 
BuyDate = ParamDate("BuyDate","01/03/2006",0);
Title = "BuyDate" +
         StrFormat("%.0f/%.0f/%4.0f", ( BuyDate / 100 ) % 100, BuyDate % 100, 1900 + ( BuyDate / 10000 ) );


Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: Ken Close
Sent: Saturday, October 07, 2006 4:33 PM
Subject: RE: [amibroker] Date Display in Title - Really Puzzling

TJ:  I **ALWAYS** look at the help files, and I tried the construction you suggest, but it did not work.
 
My title displays "Invalid Date Time" when I use what you suggested.
 
With the help of some other code, I have solved my problem in the following way but I wonder if there is not another. Why does your suggestion not work?
 
Ken
 
BuyYear = int(BuyDate/10000) + 1900;

BuyMonth = int(((BuyDate) - (BuyYear-1900)*10000)/100);

BuyDay = BuyDate - (BuyYear-1900)*10000 - BuyMonth*100;

BuyDateDisp = NumToStr(BuyMonth,1.0) + "/" + NumToStr(BuyDay,1.0) + "/" + NumToStr(BuyYear,1.0);

...." BuyDate = " + BuyDateDisp


From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Tomasz Janeczko
Sent: Friday, October 06, 2006 3:48 PM
To: [email protected]
Subject: Re: [amibroker] Date Display in Title - Really Puzzling

Ken,
 
Use formatDateTime instead of 1.0 in WriteVal.
 
BuyDate = " + WriteVal(BuyDate,formatDateTime)

Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: Ken Close
Sent: Friday, October 06, 2006 6:41 PM
Subject: [amibroker] Date Display in Title - Really Puzzling

I set a variable with ParamDate, then later want to display that date in the Title statement.  I get an incorrect date displayed even though the variable operates correctly and displays correctly as a number.
 
So, the code has
 

BuyDate = ParamDate("BuyDate","01/03/2006",0);

Say I set 8/18/2006 in the Parameter box, then later in the code this partial segment in a Title statement
 
.....+ " BuyDate = " + WriteVal(BuyDate,1.0)
 
produces this when applied:    BuyDate = 1060818    ............. which is the correct number but not formatted how I would like it.
 
Change the code to
BuyDateDisp = DateTimeToStr(BuyDate);
and then
..... + " BuyDate = " + BuyDateDisp
 
produces this when applied:   BuyDate = 8/2/1073 12:41:00 AM
 
What is going on and how can I get the formatted date display I want in the Title???
 
Thanks for any insights.
 
Ken
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