Arsip: Error Timer untuk looping
more 16 years ago
astonix
Temen2 aq ada masalah dgn Source code ku.Berikut Source code nya:
procedure TFrmProcess.TimerListTimer(Sender: TObject);
var t:integer;
begin
for t:=1 to 98 do;
begin
if t>=1 then t:=t+1 ;
LabelTime.Caption:=inttostr(t);
end;
end;
setelah aq compile muncul pesan:
[Warning] Process.dpr(180): FOR-Loop variable 't' may be undefined after loop
Sudah saya coba utak atik tapi pesan itu masih tetap muncul.Mohon pencerahan dari temen2.
Newbie talk.
more 16 years ago
deLogic
btw Anda berupaya mengubah variabel t (dengan menambahkan 1) yang variabel tersebut dijadikan indeks iterasi dalam perulangan. Variabel yg digunakan oleh perulangan For seharusnya tidak dimodifikasi.
Nah solusinya gimana? hilangin aja statement if t>=1 .. cukup labeltime.Caption aja..
for t:=1 to 98 do;
begin
LabelTime.Caption:=inttostr(t);
end;
proses diatas akan menuliskan LabelTime.Caption dengan teks '1' hingga '98', atau mungkin bukan itu yg Anda kehendaki?
more 16 years ago
faathir
atau mungkin gini :
for t:=1 to 98 do
begin
LabelTime.Caption:=inttostr(t);
end;
setelah do tanda ';' dihilangkan
menurut saya itu berpengaruh..
eh.. cara pake https://pascal-id.org/syntax gimana sih ????? :lol:
more 16 years ago
deLogic
oh iya, betul kata bro fathir.. mata saya lagi 'sliwer' kali ya.. jadi ga ngeliat ada ';'.. ya bisa jadi begitu.. :)
@faathir:
apit dengan tag [pas] dan [/ pas]
btw, spasi mohon dihilangkan..
more 16 years ago
astonix
@deLogic
Thanks ...emang saya inginnya nampilin angka 1 sampai 98 secara berturut di labelTime.caption-nya
@faathir
tanda " ; " yg dihilangkan memang berpengaruh dan sudah aq hilangkan
akhirnya prosedur timer ini jalan juga. Thanks juga..:D
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