The Old New Thing

The perils of the accidental C++ conversion constructor

January 15, 2021 Jan 15, 2021 01/15/21

Raymond Chen

Single-parameter constructors are also conversions.

How can I write a C++ class that iterates over its base classes?

January 14, 2021 Jan 14, 2021 01/14/21

Raymond Chen

Variadic templates to the rescue.

The misleading MIDL error message: MIDL5023: The arguments to the parameterized interface are not valid

January 13, 2021 Jan 13, 2021 01/13/21

Raymond Chen

They aren't valid, but then again, nothing would have been.

Why am I receiving SHCNE_UPDATEDIR notifications that my code never generates?

January 12, 2021 Jan 12, 2021 01/12/21

Raymond Chen

You did generate them, indirectly.

The case of the crash during the release of an object from an unloaded DLL during apartment rundown

January 8, 2021 Jan 8, 2021 01/8/21

Raymond Chen

The great escape from the confines of the custom COM context.

What happens if I give contradictory values for the stack commit and stack reserve?

January 7, 2021 Jan 7, 2021 01/7/21

Raymond Chen

The system will try to massage the values into something less unreasonable.

How can I tell whether my process is running as SYSTEM?

January 6, 2021 Jan 6, 2021 01/6/21

Raymond Chen

Check your token.

Additional helpful pseudo-handles: The process token, the thread token, and the effective token

January 5, 2021 Jan 5, 2021 01/5/21

Raymond Chen

For quick queries.

How can I write a program that monitors another window for a change in size or position?

January 4, 2021 Jan 4, 2021 01/4/21

Raymond Chen

Accessibility hooks come to the rescue once again.