csharp / excel interop / lock / stack overflow

[Grzegorz Kaczor]

Hello,

I encountered a strange problem. I've got a Windows application written
in C# that fails with StackOverflowException when assigning to a
property that is defined in superclass (the property is defined virtual
but has not been implemented in subclass). The property performs a
lock(this) before changing the real attribute value.

More details:
the property is of an enum type, defined in superclass, virtual
Both getter and setter are wrapped in lock(this)
In subclass I have a code section (also locked with lock(this)) that
assigns a value to the property. This causes repeatedly
StackOverflowException. When I assign manually to the real attribute
value, everything is OK. I tried to change the lock object (from this to
some attribute of the superclass) and result is same.

I use Excel 2003 Interop API. Maybe this matters...

What can be wrong?

Thanks,
Grzegorz Kaczor

[Grzegorz Kaczor]

Forget it. I'm really sorry for bothering you. The property in getter
and setter referred to itself and not the real attribute.

I should have checked it more carefully.

Sorry once more.

Regards,
Grzegorz Kaczor