Code Examples

[velocity]

I am relatively new to NT and I am trying to write a simple indicator to show examples of

Highlight a bar;
Place a marker on the chart; and
Play a sound

When Certian conditions occur. I do not get an error, but I do not get any markers, painted bar or sound.

Where did I go wrong?


---------------------
// This namespace holds all indicators and is required. Do not change it.
namespace NinjaTrader.Indicator
{
///<summary>
/// This indicator will paint a bar, make a sound, place a marker
///</summary>
[Description("This indicator will paint a bar")]
publicclass PaintBar : Indicator
{
#region Variables
// Wizard generated variables
privateint myInput0 = 1; // Default setting for MyInput0
// User defined variables (add any user defined variables below)
#endregion
///<summary>
/// This method is used to configure the indicator and is called once before any bar data is loaded.
///</summary>
protectedoverridevoid Initialize()
{
Add(new Plot(Color.FromKnownColor(KnownColor.Orange), PlotStyle.Line, "Plot0"));
CalculateOnBarClose = true;
Overlay = true;
PriceTypeSupported = false;

}
///<summary>
/// Called on each bar update event (incoming tick)
///</summary>
protectedoverridevoid OnBarUpdate()
{
// Use this method for calculating your indicator values. Assign a value to each
if (Close[0] > Close[1])
BarColor = Color.Pink;
DrawTriangleUp("MyTriangleUp", 0, Low[0] - 2 * TickSize, Color.Red);
PlaySound(@"C:\Program Files\NinjaTrader 6.5\sounds\Alert1.wav");

[Gumphrie]

Hi velocity,

I'm not sure about everything wrong, but I can see two errors.
Firstly you should put the block into parentheses or otherwise only the first line will count as part of the condition.
Secondly, you will not get unique triangles drawn as you have not uniquely identified them per bar, so your latest triangle will always overwrite the previous.

You could also try Alert() instead of PlaySound() as that plays a sound and shows an alert in the Alerts window, that way you know if its your sound system or the code.


So something like :

if (Close[0] > Close[1])
{
BarColor = Color.Pink;
DrawTriangleUp("MyTriangleUp"+CurrentBar, 0, Low[0] - 2 * TickSize, Color.Red);
Alert("myAlert", NinjaTrader.Cbi.Priority.High, "Reached threshold", "Alert1.wav", 10, Color.Black, Color.Yellow);
}

[velocity]

Thanks for taking a look. I got every example to work except I don't get an alert window. Any thoughts?

See attached for what examples look like.

thanks.


protectedoverridevoid OnBarUpdate()
{
// Use this method for calculating your indicator values. Assign a value to each
if (CurrentBar < 1)
return;

if (Close[0] > Close[1])
BarColor = Color.Pink;
if (Close[0] > Close[1])
DrawArrowUp("MyArrowUp"+CurrentBar, 0, Low[0]- (TickSize*2) , Color.Black);
if (Close[0] > Close[1])
PlaySound(@"C:\Program Files\NinjaTrader 6.5\sounds\Alert1.wav");
if (Close[0] > Close[1])
Alert("myAlert", NinjaTrader.Cbi.Priority.High, "Reached threshold", "Alert2.wav", 10, Color.Black, Color.Yellow);
if (Close[0] > Close[1])
DrawText("MyText"+CurrentBar, "Low "+ Low[0], 0, Low[0] - (TickSize*4), Color.Blue);
}

[Gumphrie]

Open a alerts window, File->New->Alerts

[velocity]

Strange, wonder it Alert window only works in real time or replay. because I did open a window and while the indicators popped up on the chart as I scrolled thru, the nothing appeared in the Alert Window.

[Gumphrie]

Yes, correct, Alert() only works in real time or replay...

[velocity]

thanks for the help