Is there any annotation object properties that flag as delete?

I'm using version 13.0 and I try to work around undo feature that passing hObject value in wrong order & invalid.

I have a code to set select to select all annotation objects and extract hObject value as int[] from System.object aObject before/after delete.

I create 3 annotation objects and assume that aObject have 3 annotation objects. I press Ctrl + Z and I still see same amount of item in the aObject. I went over LEADTOOLS Main COM help file but I didn’t see anything. I was under impression that after delete; aObject would return only 2 remain annotation objects.

1. How do I know which annotation has already removed from the drawing window?

2. Is there any property that I can check?

(1) I'm still using version 13.0 and there is no word from my boss about switch to version 14.5 which I don't think we will anytime soon. And as I remember that version 13.0 undo list passing oldest object ID first regardless which actual annotation object changed but it work correctly on screen. In this case, I don't think object ID that passing to OnAnnDestroy() useful for me since it's wrong anyway accept when I select certain object and press Delete button.

Beside, annotation object ID keep changing anytime that Ctrl + Z is press so even I have all annotation object ID list, I still have find out which object ID change to new one. That's the least problem that I concern. I'm more concern (2) below.

(2) Assume that I just create 5 objects and press Ctrl + Z. When OnAnnDestroy() is call, an actualy annotation object is already removed from screen but when I select all annotation objects to get a list of current object ID, I still have all 5 annotation object IDs included deleted one. I should get 4 annotation object IDs.

If I Ctrl + Z one more time, I still have 4 annotation object IDs included deleted one. I should get 3 annotation object IDs.

Do you see what I try to say? Is there no other way to access undo stack on version 13.0?

Man, I feel hopeless. [:(]

I've got response from you about 2nd issue but I just want to let you know how I retrieve the rest of the annotation objects.

I have a code to set select to select all annotation objects and extract hObject value as int[] from System.object aObject.

short iSelected = m_TheAnn1.AnnSetSelected(hAnnObject, bValue, bSelected);
short iSelectList = m_TheAnn1.AnnGetSelectList(out aObject);
hObjects = (int[])aObject;

That's how I know how many hObject values I've got but unfortunately, the hObject values is more than the actual annotation objects in the program.
 
 

No, I mean a number of hObject values are more than actual annotation object in the screen.

We have not move on to version 14.5 yet. I need to fix certain bug but still using version 13.0.

What's what I did. I also set select to ann container and get select list to validate my list.