procedure TForm1.Button3Click(Sender: TObject);
var
c: Char;
b: BOOL;
begin
c := #48; {0}
b := IsCharLower(c);
ShowMessage(BoolToStr(b, True)); {False}
end;
procedure TForm1.Button4Click(Sender: TObject);
var
c: Char;
b: BOOL;
begin
c := #13; {回車鍵}
b := IsCharLower(c);
ShowMessage(BoolToStr(b, True)); {False}
end;
procedure TForm1.Button5Click(Sender: TObject);
var
c: WideChar;
b: BOOL;
begin
c := #19975; {萬}
b := IsCharLower(c);
ShowMessage(BoolToStr(b, True)); {False}
end;
end.