last works on EA all Requirements Prepare as Template and Implement it's Testing Usage as XFIMA EA ...

2025-09-17 22:22:12 +03:30
parent b11e4f7f4b
commit 177d115de6
11 changed files with 4555 additions and 31 deletions
@@ -33,11 +33,30 @@ class XCChartHelper : public XCBase

    //
    // Constructor ...
-    XCChartHelper(ulong _chartId = 0)
+    XCChartHelper(
+        ulong _chartId = 0,
+        string _symbol = NULL,
+        ENUM_TIMEFRAMES _period = NULL)
    {
        //
-        // Normalize Chart ID ...
-        mChartID = NormalizeChartId(_chartId);
+        bool canSetSymbolPeriod =
+            IsSpecifiedValid(_symbol) &&
+            IsSpecifiedValid(_period);
+
+        //
+        // Normalize ...
+        if (!canSetSymbolPeriod)
+        {
+            //
+            mChartID = NormalizeChartId(_chartId);
+            mSymbol = NormalizeSymbol(_symbol);
+            mPeriod = NormalizePeriod(_period);
+        }
+        else
+        {
+            //
+            SetSymbolPeriod(mSymbol, mPeriod);
+        }
    }

    //
@@ -181,7 +200,16 @@ class XCChartHelper : public XCBase
        ENUM_TIMEFRAMES period //
    )
    {
-        return (ChartSetSymbolPeriod(mChartID, symbol, period));
+        bool result = (ChartSetSymbolPeriod(mChartID, symbol, period));
+        if (result)
+        {
+            //
+            mSymbol = symbol;
+            mPeriod = period;
+        }
+
+        //
+        return result;
    }

    /**
@@ -644,6 +672,23 @@ class XCChartHelper : public XCBase
        return has;
    }

+    ulong Open()
+    {
+        //
+        mChartID = ChartOpen(mSymbol, mPeriod);
+        return (mChartID);
+    }
+
+    void Close()
+    {
+        //
+        if (mChartID != -1 && mChartID != 0)
+        {
+            ChartClose(mChartID);
+            mChartID = 0;
+        }
+    }
+    
    //
    // Properties ...

@@ -819,7 +864,9 @@ class XCChartHelper : public XCBase
    // Props ...

    //
-    ulong mChartID; // Chart ID ...
+    ulong mChartID;          // Chart ID ...
+    string mSymbol;          // Chart Symbol ...
+    ENUM_TIMEFRAMES mPeriod; // Chart Period ...
 };

 //