You can crash AutoCAD with an eWasOpenForWrite
error using the following steps:
1. Build a managed extension that adds a
handler to the Editor's PointMonitor event.
2. Load the extension, and ensure that the
PointMonitor event handler is added. The
handler need not do anything at all.
3. Create a Dimension.
4. Issue DDEDIT and select the dimension.
5. Right click on the dimension text, and choose
"Insert Field" from the menu.
6. In the Field dialog, Category combo,
select "Objects".
7. In the Field Names list, select "Object".
8. Click the Select object button next to the
Object type edit box.
9. In the drawing, at the "Select object: " prompt,
move the pickbox over the dimension whose
text is being edited.
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