Do you require , or is historical end-of-day/intraday bar data sufficient?
Handles application-level notifications like workspace switches or symbol changes. 4. Implementation Guide: Core Source Code Logic
I can then give you more specific code examples or a tailored architectural plan. Amibroker Plugin - What is OpenAlgo? | Documentation
Avoid calling new or malloc inside GetQuotesEx . Pre-allocate memory arrays during the plugin initialization phase. amibroker data plugin source code top
Compile your C++ project using Microsoft Visual Studio, targeting either or x64 , matching your specific AmiBroker installation architecture.
extern "C" __declspec(dllexport) int GetQuotesEx(const char* Ticker, int Period, int Mode, struct AmiQuote* pQuotes, int MaxBars) // Mode 0: Check if data exists for the ticker // Mode 1: Synchronous updates (AmiBroker requesting historical/streaming data array) if (Mode == 0) // Return 1 if provider supports this asset class/ticker, 0 if unknown return 1; std::lock_guard lock(g_dataMutex); // Context-driven data fetching simulation // In a real-world plugin, you pull from a local concurrent cyclic buffer updated by WebSockets int barsToReturn = 0; if (pQuotes == NULL) // AmiBroker is asking how many total bars are available in our cache barsToReturn = 5000; // Return total available records return barsToReturn; // Populate AmiBroker's internal array buffer up to MaxBars limit for (int i = 0; i < MaxBars && i < 1000; ++i) pQuotes[i].DateTime = 0; // Map your custom epoch timestamp to AmiTime format pQuotes[i].PriceOpen = 100.0f + (i * 0.05f); pQuotes[i].PriceHigh = 101.5f + (i * 0.05f); pQuotes[i].PriceLow = 99.0f + (i * 0.05f); pQuotes[i].PriceClose = 100.5f + (i * 0.05f); pQuotes[i].Volume = 50000.0f; pQuotes[i].OpenInterest = 0.0f; barsToReturn++; return barsToReturn; // Return number of elements written to pQuotes Use code with caution. 4. Optimization Strategies for Low-Latency Streaming
The core function that provides historical data to AmiBroker. 4. GetRealTimeQuotes Streams live data ticks. 4. Developing Plugins with C# / .NET Do you require , or is historical end-of-day/intraday
: The primary function for data retrieval. It handles the actual request for price bars (OHLCV) and allows for 64-bit date/time stamps and floating-point volume.
The main implementation file manages the DLL exports and bridges AmiBroker calls to your background data-ingestion thread.
Init : Handles global initialization tasks when the plugin is loaded into memory. Implementation Guide: Core Source Code Logic I can
: An optional function that reports the connection health (e.g., "Connected", "Trying to connect...") to the AmiBroker UI. Top Source Code Examples
struct PluginInfo int StructSize; int PluginType; // Must be 1 for Data Plugins int PluginVersion; // e.g., 10000 for version 1.0.0 int IDCode; // Unique 4-byte ID code char Name[64]; // Name displayed in AmiBroker settings char Vendor[64]; // Your name or company name int Certificate; // Set to 0 for unsigned/custom plugins ; Use code with caution. 3. Top Source Code Implementation