How to: Avoid the "cannot use this object after separating COM object from its basic RCW" error

Author: water and smoke

In this case, the finalize is overwritten and the COM object is called.CodeAnd the COM object is not explicitly released before the object is destroyed.

The solution is to explicitly call the release code.

For example:

Public sub quit ()
...
End sub

Protected overridable sub dispose (byval disposing as Boolean)
If not me. disposedvalue then
If disposing then

If gapplicationcomobject isnot nothing then
Me. Quit ()
End if

End if

End if
Me. disposedvalue = true
End sub

Public sub dispose () implements idisposable. Dispose
Dispose (true)
GC. suppressfinalize (me)
End sub

Use Time:

First

Mycom. Quit ()

Or

Using mycom

...

End using

I do not know whether my understanding is correct. It is for reference only.