last ...

2025-09-21 05:59:18 +03:30
parent 73a97a80b3
commit 98b62aba96
6 changed files with 3108 additions and 196 deletions
@@ -889,6 +889,71 @@ class XCPOIDrawer : public XCBase
        return result;
    }

+    /**
+     * Draw Specified Trend Line ...
+     *
+     * @param  fromPrice: double, from Price ...
+     * @param  fromTime: datetime, from Time ...
+     * @param  toPrice: double, to Price ...
+     * @param  toTime: datetime, to Time ...
+     * @param  name: Object Name ...
+     * @param  rayRight: bool, ray to Right ...
+     * @param  rayLeft: boo, ray to Left ...
+     *
+     * @return ( bool )
+     */
+    bool DrawTrendLine(
+        double fromPrice,
+        datetime fromTime,
+        double toPrice,
+        datetime toTime,
+        CChartObjectTrend *&object,
+        string name,
+        bool rayRight = false,
+        bool rayLeft = false //
+    )
+    {
+        //
+        bool result = false;
+
+        //
+        // Prepare ...
+        object = new CChartObjectTrend();
+
+        //
+        // Validate ...
+        result =
+            toPrice > 0 &&
+            fromPrice > 0 &&
+            IsSpecifiedValid(toTime) &&
+            IsSpecifiedValid(fromTime) &&
+            toTime > fromTime;
+        if (!result)
+        {
+            return result;
+        }
+
+        //
+        // Create Object ...
+        result = object.Create(
+            ChartIdentification(),
+            name,
+            SubWindowIdentification(),
+            fromTime,
+            fromPrice,
+            toTime,
+            toPrice //
+        );
+        if (result) {
+            //
+            object.RayLeft(rayLeft);
+            object.RayRight(rayRight);
+        }
+
+        //
+        return result;
+    }
+
    /**
     * Draw Trend Line based on Swings Points ...
     *