Arsip: operasi untuk dianrata bilanagan

more 18 years ago
andriyanto
teman teman bagai mana ya untuk pengoperasian apabila saya mau bilangan diantara = 0 sampai= 3 saja yang saya mau setting, untuk diluar itu ada message error, tolong ya, misal saya set angka 3 dimana misal A=3,maka edit.text:= 4 +A akan menunjukan angka 7 tapi apabila saya masukan angka 4 yang seharusnya nilai 8 ada mesage error begitupun dengan angka 0, akan menunjukkan bil operasi, tapi apabila saya tulis 4 maka message error yang keluar , terima kasih banyak

more 18 years ago
aireda
diperjelas dung masalahnya.... yar yang mau bantuin ga bingung....
liat tuch... bung DelphiExpert ja kebingungan....
xixixixixix....

more 18 years ago
portege
uses
idGlobal;
onKeyPress(..)
if not(key in ['1','2','3',BACKSPACE]) then
key:=CHAR0;

more 18 years ago
jayadi888
Mungkin bahasa andriyanto harus diperbaiki agar forum ini ngerti maksud-nya :)

more 18 years ago
ksatria_77
Yuhuuuuuu
ooo tau tau maksudnya..
gini ya : kamu mau bilangan diantara 0=<X<=3
dan bilangan X itu mau dioperasikan bebas ya,terus bilangan yang berada diluar jangkauan X apabila dioperasikan akan muncul fungsi error ?
misal: X=1 jadi (4 + X =5...benar)
misal: X=4 jadi (1 + X =5...error)
so..
procedure TForm1.Button1Click(Sender: TObject);
var
x:real;
y:real;
z:real;
begin
x:=StrToFloat(edit1.Text) ;
if (x>=0) and (x<=3) then
begin
y:=strtofloat(edit2.Text);
z:=x+y;
edit3.Text:=FloatToStr(z);
end else ShowMessage('error');
end;
end.
Muddah2an kayak gini ya maksudnya hehehe
adik tingkatnya bosenjadiprogrammer

more 18 years ago
bosenjadiprogrammer
seep mendukung..
kita satu kantor..wekekek satu almamater juga..
musibah bagi kantor yang membayar kita berdua, wekekekke. :twisted:

more 18 years ago
yayaretina
kemaren mau posting.. di lock, eh skrg can post dah di jawab ma ksatria.. well idem deh...
yang rukun ya... jgn berantem... kekekek...
more ...
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