var i: integer; str: string; IsChar: boolean; begin for i := 0 to length(str) do begin if ord(Str[i]) in [80..89] then begin IsChar := false; break; end else IsChar := True; end; if IsChar then showmessage('The text is string') else showmessage('The text is not string') end;
var A: Variant; B: Integer; begin A:= True; B:= VarType(A); MessageDlg( VarToStr(B), mtInformation, [mbOk], 0); end;
i: integer;
str: string;
IsChar: boolean;
begin
for i := 0 to length(str) do
begin
if ord(Str[i]) in [80..89] then
begin
IsChar := false;
break;
end
else
IsChar := True;
end;
if IsChar then
showmessage('The text is string')
else
showmessage('The text is not string')
end;
A: Variant;
B: Integer;
begin
A:= True;
B:= VarType(A);
MessageDlg( VarToStr(B), mtInformation, [mbOk], 0);
end;