OnWindowDestroyed()

Definition

This method is called whenever a new NTWindow is destroyed. It will be called in the thread of that window. A window is destroyed either by the user closing the window, closing a workspace, or on a shut down of NinjaTrader.

This method will also be called on a recompile of the NinjaTrader.Custom project (e.g., when you compile an indicator, strategy, or add-on)

Method Return Value

This method does not return a value.

Syntax

OnWindowDestroyed(Window window)

Parameters

Parameter	Description
window	A Window object which is being removed from the workspace

Examples

public class MyWindowAddOn : AddOnBase
{
    private NTMenuItem myMenuItem;
    private NTMenuItem existingMenuItem;
    protected override void OnStateChange()
    {
        if (State == State.SetDefaults)
        {
            Description = "Our custom MyWindow add on";
            Name = "MyWindow";
        }
    }
    // Will be called as a new NTWindow is destroyed. It will be called in the thread of that window
    protected override void OnWindowDestroyed(Window window)
    {
        if (myMenuItem != null && window is ControlCenter)
        {
            if (existingMenuItem != null && existingMenuItem.Items.Contains(myMenuItem))
                existingMenuItem.Items.Remove(myMenuItem);
            myMenuItem.Click -= OnMenuItemClick;
            myMenuItem = null;
        }
    }
}