Support Board

// Define a key for the persistent variable
const int POINTER_KEY = 100;

// Example struct or data to point to
struct MyCustomData {
int value;
};

// Your custom chart bar building function
SCSFExport CustomChartBarBuildingFunction(SCCustomChartBarInterfaceRef cbi) {
// Example: On first call or reload, allocate and store the pointer
// Or use a reload flag with another persistent int
if (cbi.IsFirstBarOfChart) {
MyCustomData* p_data = new MyCustomData(); // Dynamically allocate
p_data->value = 42; // Initialize

// Store pointer as int64_t
int64_t& stored_ptr = cbi.GetPersistentInt64(POINTER_KEY);
stored_ptr = reinterpret_cast<int64_t>(p_data);
}

// Retrieve and use the pointer in subsequent calls
int64_t& stored_ptr = cbi.GetPersistentInt64(POINTER_KEY);
MyCustomData* p_data = reinterpret_cast<MyCustomData*>(stored_ptr);