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Kim Hovorka
Guest
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 Posted: Tue Dec 16, 2003 5:28 pm Post subject: Passing a component as a var parameter to a function |
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Hello,
Here is something that I was wondering how to do.
I would like to pass a QuickReport Label component to a function
or procedure and have the labels caption property populated inside the function as follows(EXAMPLE below):
returnMONTHDAYYEAR(qrlblODOBMO.Caption, qrlblODOBDAY.Caption,
qrlblODOBYR.Caption, qryHCFAOTHERINSUREDDOB.AsFloat);
procedure TFormHCFAReport.returnMONTHDAYYEAR(var Val1, Val2, Val3 : String; theDATE : TDateTime);
var
Year, Month, Day: Word;
begin
DecodeDate(theDATE, Year, Month, Day);
Val1 := IntToStr(Month);
Val2 := IntToStr(Day);
Val3 := IntToStr(Year);
end;
How could I do this? I have to break up a ton of dates into month,day and year and this is how I would like to do it if possible?
Thanks,
Kim Hovorka
[email]kimhovorka (AT) yahoo (DOT) com[/email]
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Franz-Leo Chomse
Guest
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| Posted: Tue Dec 16, 2003 7:22 pm Post subject: Re: Passing a component as a var parameter to a function |
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| Quote: | How could I do this? I have to break up a ton of dates into month,day and year and this is how I would like to do it if possible?
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You can't: A property has a getter and a setter which have normally
not the same address as in the case of a variable. Additionally the
might
be methods and not plain memory addresses.
Regards from Germany
Franz-Leo
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Harley Pebley
Guest
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| Posted: Tue Dec 16, 2003 7:59 pm Post subject: Re: Passing a component as a var parameter to a function |
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| Quote: | Here is something that I was wondering how to do.
I would like to pass a QuickReport Label component to a function
or procedure and have the labels caption property populated inside the function as follows(EXAMPLE below):
returnMONTHDAYYEAR(qrlblODOBMO.Caption, qrlblODOBDAY.Caption,
qrlblODOBYR.Caption, qryHCFAOTHERINSUREDDOB.AsFloat);
procedure TFormHCFAReport.returnMONTHDAYYEAR(var Val1, Val2, Val3 : String; theDATE : TDateTime);
var
Year, Month, Day: Word;
begin
DecodeDate(theDATE, Year, Month, Day);
Val1 := IntToStr(Month);
Val2 := IntToStr(Day);
Val3 := IntToStr(Year);
end;
How could I do this? I have to break up a ton of dates into month,day and year and
this is how I would like to do it if possible?
|
Pass the objects rather than the properties. Like so:
| Quote: | populateMONTHDAYYEAR(qrlblODOBMO, qrlblODOBDAY,
qrlblODOBYR, qryHCFAOTHERINSUREDDOB);
procedure TFormHCFAReport.populateMONTHDAYYEAR(const Val1, Val2, Val3 : TQRLabel; theDATE : TWhateverQueryType);
var
Year, Month, Day: Word;
begin
DecodeDate(theDate.AsFloat, Year, Month, Day);
Val1.Caption := IntToStr(Month);
Val2.Caption := IntToStr(Day);
Val3.Caption := IntToStr(Year);
end;
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Change the types as appropriate.
HTH,
Harley Pebley
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Tony J Hopkinson
Guest
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| Posted: Tue Dec 16, 2003 8:30 pm Post subject: Re: Passing a component as a var parameter to a function |
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On 16 Dec 2003 10:28:56 -0700, "Kim Hovorka" <kimhovorka (AT) yahoo (DOT) com>
wrote:
| Quote: | Hello,
Here is something that I was wondering how to do.
I would like to pass a QuickReport Label component to a function
or procedure and have the labels caption property populated inside the function as follows(EXAMPLE below):
returnMONTHDAYYEAR(qrlblODOBMO.Caption, qrlblODOBDAY.Caption,
qrlblODOBYR.Caption, qryHCFAOTHERINSUREDDOB.AsFloat);
procedure TFormHCFAReport.returnMONTHDAYYEAR(var Val1, Val2, Val3 : String; theDATE : TDateTime);
var
Year, Month, Day: Word;
begin
DecodeDate(theDATE, Year, Month, Day);
Val1 := IntToStr(Month);
Val2 := IntToStr(Day);
Val3 := IntToStr(Year);
end;
How could I do this? I have to break up a ton of dates into month,day and year and this is how I would like to do it if possible?
Thanks,
Kim Hovorka
[email]kimhovorka (AT) yahoo (DOT) com[/email]
|
Nothing to do with var.
Var will pass the address (reference) of a variable, as an object is a
reference already ....
Procedure PopulateWithdate(SomeObject : TsomeObjectwithaCaption; aDate
TDateTime)
someobject.caption := FormatDateTime('dd/mmm/yyyy',aDate)
end ;
Sort of begs the question why don't you set the caption and dump the
function doesn't it.
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