CCI

Quantower/Indicators/CCI_chart.cs

@@ -0,0 +1,43 @@
+using System.Diagnostics;
+using System.Drawing;
+using TradingPlatform.BusinessLayer;
+namespace QuanTAlib;
+
+public class CCI_chart : Indicator
+{
+    #region Parameters
+
+    [InputParameter("Smoothing period", 0, 1, 999, 1, 1)]
+    private readonly int Period = 10;
+
+    #endregion Parameters
+
+    private TBars bars;
+
+    ///////
+    private CCI_Series indicator;
+    ///////
+
+    public CCI_chart()
+    {
+        this.SeparateWindow = true;
+        this.Name = "CCI - Commodity Channel Index";
+        this.Description = "CCI description";
+        this.AddLineSeries("CCI", Color.RoyalBlue, 3, LineStyle.Solid);
+    }
+
+    protected override void OnInit()
+    {
+        this.ShortName = "CCI (" + this.Period + ")";
+        this.bars = new();
+				this.indicator = new(source: bars, period: this.Period, useNaN: false);
+    }␍
+	protected override void OnUpdate(UpdateArgs args)
+	{
+        bool update = (args.Reason != UpdateReason.NewBar && args.Reason != UpdateReason.HistoricalBar);
+        this.bars.Add(this.Time(), this.GetPrice(PriceType.Open), this.GetPrice(PriceType.High), this.GetPrice(PriceType.Low),
+                      this.GetPrice(PriceType.Close), this.GetPrice(PriceType.Volume), update);
+        double result = this.indicator[this.indicator.Count - 1].v;
+        this.SetValue(result);
+    }
+}

Quantower/Indicators/ZLMA_chart.cs

@@ -9,12 +9,12 @@ public class ZLMA_chart : Indicator
     #region Parameters
 
     [InputParameter("Smoothing period", 0, 1, 999, 1, 1)]
-    private int Period = 10;
+    private readonly int Period = 10;
 
     [InputParameter("Data source", 1, variants: new object[]
       { "Open", 0, "High", 1,  "Low", 2,  "Close", 3,  "HL2", 4,  "OC2", 5,
       "OHL3", 6,  "HLC3", 7,  "OHLC4", 8,  "Weighted (HLCC4)", 9 })]
-    private int DataSource = 3;
+    private readonly int DataSource = 3;
 
     [InputParameter("MA algorithm", 2, variants: new object[]
     { "SMA", 0, 
@@ -27,7 +27,7 @@ public class ZLMA_chart : Indicator
 	    "JMA", 7,
 	    "SMMA", 8
 			})]
-    private int matype = 2;
+    private readonly int matype = 2;
 
 #endregion Parameters
 
@@ -87,7 +87,7 @@ public class ZLMA_chart : Indicator
                       this.GetPrice(PriceType.Close),
                       this.GetPrice(PriceType.Volume), update);
 
-        double result = this.indicator[this.indicator.Count - 1].v;
+        double result = this.indicator[this.indicator.Count-1].v;
         this.SetValue(result);
     }
 }