c++ builder XE4, 10.2 Tokyo > TeeChart > 最初の一歩 > グラフ作成まで

C++ Builder XE4 on Windows 7 pro
Rad Studio 10.2 Tokyo Update 2 (追記: 2017/12/27)

#include <DateUtils.hpp>
...
    Chart1->Series[0]->XValues->DateTime = true;
    Chart1->BottomAxis->DateTimeFormat = L"nn:ss";

    TDateTime dt;

    dt = Now();

    double yval;
    for (int idx=0; idx < 10; idx++) {
        yval = (1+ idx) % 2;
        Series1->AddXY(dt, yval, "", clRed);
        dt = IncSecond(dt, 1);
    }