| //| Developer probe: can an INDICATOR create a custom symbol and write ticks / bars? MIT. |
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| #property indicator_chart_window
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| #property indicator_plots 0
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| int OnInit()
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| {
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| string n = "TFPROBE";
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| bool c = CustomSymbolCreate(n, "Custom\Tick Forge", "GOLD.pro");
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| PrintFormat("PROBE create=%d err=%d", c, GetLastError());
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| MqlTick t[3];
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| datetime b = D'2026.10.05 10:00';
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| for(int i = 0; i < 3; i++) { t[i].time = b + i; t[i].time_msc = (long)(b + i) * 1000; t[i].bid = 100 + i; t[i].ask = 100.5 + i; t[i].flags = TICK_FLAG_BID | TICK_FLAG_ASK; }
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| int r = CustomTicksReplace(n, (long)b * 1000, (long)(b + 5) * 1000, t);
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| PrintFormat("PROBE ticksReplace=%d err=%d", r, GetLastError());
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| MqlRates m[1]; m[0].time = b; m[0].open = 100; m[0].high = 102; m[0].low = 100; m[0].close = 102; m[0].tick_volume = 3;
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| r = CustomRatesReplace(n, b, b + 60, m);
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| PrintFormat("PROBE ratesReplace=%d err=%d", r, GetLastError());
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| MqlTick g[]; int k = CopyTicksRange("GOLD.pro", g, COPY_TICKS_ALL, (ulong)D'2026.10.05 10:00' * 1000, (ulong)D'2026.10.05 10:01' * 1000);
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| PrintFormat("PROBE copyticks=%d err=%d", k, GetLastError());
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| Sleep(10);
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| Print("PROBE after sleep err=", GetLastError());
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| return INIT_SUCCEEDED;
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| }
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| int OnCalculate(const int rates_total, const int prev_calculated, const int begin, const double &price[]) { return rates_total; }
|
