Objects disappear when zoomed using scroll wheel

[mwst]

I draw some objects on screen, just some lines. They show up at desired location.

Then I show a dialog user interface. Modal dialog created in C# and displayed using wrapepr class. User clicks Ok on the dialog and is back in AutoCAD window.

The lines I drew are still visible on the screen.

At this point, if I zoom in using scrolling wheel, the lines disappear.

If I do rotate using mouse and keyboard, or using the cube, then everything appers back again.

I first thought it must be regen issue. So I added ads_regen call.

Then I also read some other stuff and added a couple more lines.

So here is the regen/refresh code I added. But no avail.

ads_regen();

actrTransactionManager->queueForGraphicsFlush();

actrTransactionManager->flushGraphics();

acedUpdateDisplay();

If I cancel out of the dialog , in which case no changes are made to the drawing - everything already existing works fine.

But if I hit OK, (some old lines are deleted, some existing lines are broken and some new lines are added) - the new lines are not visible, deleted lines are gone and existing lines (which get modified) are visible but disappear when zoomed in.

I appreciate any help.

[Balaji_Ram]

Hi,

This is not a behavior that i am aware of.

If you can please provide a non-confidential sample project to demonstrate the behavior, I can investigate this further.

Regards,

Balaji

[mwst]

Hi Balaji,

I tried to create a small sample but it didn't show that behavior. I need to add some more parts and try it out. But things got a bit busy.

Appreciate your help. I will get back to this one soon. Should I just upload the project here?

Thanks,

[Balaji_Ram]

Yes, please attach the project here.

I will try it out.

Thanks

Balaji