Calling NTMessageBoxSimple from a AddOn

[archieoi]

I am trying to invoke the call NTMessageBoxSimple from inside my AddOn code.

I see the NTMessageBoxSimple requires access to some parent Window.

In the examples, I found it requires a reference to ChartControl and needs to be called via InvokeAsync.

https://ninjatrader.com/support/foru...ins#post729309

Where my code logic lies subclassed from NTWindow there is no reference to a ChartControl?

[archieoi]

lol solved my own question

I guess using keyword "this" of what is subclassed from NTWindow will get the reference to its self as the window object

Dispatcher.InvokeAsync(() =>
{
NinjaTrader.Gui.Tools.NTMessageBoxSimple.Show(Wind ow.GetWindow(this as DependencyObject), "Hey there", "Guess What?", MessageBoxButton.OK, MessageBoxImage.Information);
});

Also a reference how to add other options to the popup

https://www.dotnetperls.com/messagebox-show

[NinjaTrader_ChelseaB]

Hello archieoi,

Yes, 'this' would refer to the parent class or object. The cast is to provide the current class as a window (DependencyObject) which is needed for Window.Show(). (NTMessageBoxSimple.Show())

Thank you for updating you were able to find a solution.

I've be sure our help guide gets updated with a page on NTMessageBoxSimple.

[thanajo]

Using the keyword "this" seems not to work.
I get this message error when using it :
"Impossible de convertir le type 'NinjaTrader.Gui.NinjaScript.MyADDON' en 'System.Windows.DependencyObject' via une conversion de référence, une conversion boxing, une conversion unboxing, une conversion wrapping ou une conversion null type"

[NinjaTrader_ChelseaB]

Hello thanajo,

"this" refers the class of the current object. How are you trying to use this?

[thanajo]

I'm trying to have a MessageBox poping up when the user click on the addon item in the "new" menu.
And I finally find a way to do so :

In the "private void OnMenuItemClick(object sender, RoutedEventArgs e)" method, I'm accessing te the e.Source object as DependencyObject, and it's working.

So the complete code of this block is :

private void OnMenuItemClick(object sender, RoutedEventArgs e)
{
NinjaTrader.Gui.Tools.NTMessageBoxSimple.Show(Wind ow.GetWindow(e.Source as DependencyObject), "MessageBoxText", "Title", MessageBoxButton.OK, MessageBoxImage.Information);
}

And when you click on the Item in the menu, you will see the MessageBox pop up.

[NinjaTrader_ChelseaB]

Hello thanajo,

I've given that a test and this seems to work without issue.

https://drive.google.com/file/d/1jC_NYYnE8tXKfCf4Ipq-S4CqLOEn7H6z/view?usp=drivesdk