You can build a control that has an implementation bug that causes an
exception at deisgn time. Everything will build fine, but when you reopen the
designer you'll see the exception text.
...
Fixing it can be tricky.
If inspection doesn't work, a handy tip is to open a second IDE, and attach to
the original instance of VS.NET. You can then set some breakpoints in your
control and watch what happens as you open the designer.
Sweet - I occasionally encounter this problems - usually when I've split a
common base class out of several forms. No finally I can try to debug them.
Thanks Matthew.
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