IndicatorBaseConverter Class

1
// This namespace holds Indicators in this folder and is required. Do not change it.
2
namespace NinjaTrader.NinjaScript.Indicators
3
{
4
    // When applying the type converter, you must fully qualify the name
5
    [TypeConverter("NinjaTrader.NinjaScript.Indicators.MyCustomConveter")]
6
    public class MyCustomIndicator : Indicator
7
    {
8
        protected override void OnStateChange()
9
        {
10
            if (State == State.SetDefaults)
11
            {
12
                Name = "MyCustomIndicator";
13
            }
14
        }
15
16
        protected override void OnBarUpdate()
17
        {
18
            // Add your custom indicator logic here.
19
        }
20
    }
21
22
    public class MyCustomConveter : IndicatorBaseConverter
23
    {
24
        // A general TypeConveter method used for converting types
25
        public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, object component, Attribute[] attrs)
26
        {
27
            // sometimes you may need the indicator instance which actually exists on the grid
28
            MyCustomIndicator indicator = component as MyCustomIndicator;
29
30
            // base.GetProperties ensures we have all the properties (and associated property grid editors)
31
            // NinjaTrader internal logic handles for a given indicator
32
            PropertyDescriptorCollection propertyDescriptorCollection = base.GetPropertiesSupported(context)
33
                ? base.GetProperties(context, component, attrs) : TypeDescriptor.GetProperties(component, attrs);
34
35
            if (indicator == null || propertyDescriptorCollection == null)
36
                return propertyDescriptorCollection;
37
38
            // example of why you may need the instance that exists on the grid....
39
            if (indicator.EntryHandling == EntryHandling.UniqueEntries)
40
            {
41
                // do something in the event a property contains some value...
42
            }
43
44
            // Loop all of the properties of the indicator
45
            foreach (PropertyDescriptor property in propertyDescriptorCollection)
46
            {
47
                // do something with a specific property
48
49
                // cannot call **Print()** here
50
                // but you can call the static Output window "Process()"
51
                NinjaTrader.Code.Output.Process(property.Name, PrintTo.OutputTab1);
52
            }
53
54
            // must return the collection after making changes
55
            return propertyDescriptorCollection;
56
        }
57
58
        // Important: This must return true otherwise the type converter will not be called
59
        public override bool GetPropertiesSupported(ITypeDescriptorContext context)
60
        { return true; }
61
    }
62
}