The Old New Thing

The Old New Thing

The Old New Thing

Is there a code page that matches ASCII and can round trip arbitrary bytes through Unicode?

Is there a code page that matches ASCII and can round trip arbitrary bytes through Unicode?

Raymond Chen August 31, 2020 Aug 31, 2020 08/31/20

For round-tripping binary data.

How do I convert from the C++/WinRT projection type to the C++/WinRT implementation type?

How do I convert from the C++/WinRT projection type to the C++/WinRT implementation type?

Raymond Chen August 28, 2020 Aug 28, 2020 08/28/20

You have to trust what's inside the box.

How do I convert from the C++/WinRT implementation type to the C++/WinRT projection type?

How do I convert from the C++/WinRT implementation type to the C++/WinRT projection type?

Raymond Chen August 27, 2020 Aug 27, 2020 08/27/20

Fortunately, there's a conversion for that.

Why are some system functions exported as stubs instead as forwarders?

Why are some system functions exported as stubs instead as forwarders?

Raymond Chen August 26, 2020 Aug 26, 2020 08/26/20

Compatibility, of course, at least for some of them.

That time Bill Gates went through a McDonalds drive-through with no cash

That time Bill Gates went through a McDonalds drive-through with no cash

Raymond Chen August 25, 2020 Aug 25, 2020 08/25/20

No special treatment, not even for the richest man in the world.

How can I get the number of processors in the system, when there are more than 64?

How can I get the number of processors in the system, when there are more than 64?

Raymond Chen August 24, 2020 Aug 24, 2020 08/24/20

You can ask for the active processor count.

Recognizing different types of exception objects that Windows platform libraries can throw

Recognizing different types of exception objects that Windows platform libraries can throw

Raymond Chen August 21, 2020 Aug 21, 2020 08/21/20

Just a few of the more common ones.

Inside the Microsoft STL: The std::exception_ptr

Inside the Microsoft STL: The std::exception_ptr

Raymond Chen August 20, 2020 Aug 20, 2020 08/20/20

Digging inside, for debugging purposes.

On using FILE_FLAG_WRITE_THROUGH and FILE_FLAG_NO_BUFFERING for memory-mapped files

On using FILE_FLAG_WRITE_THROUGH and FILE_FLAG_NO_BUFFERING for memory-mapped files

Raymond Chen August 19, 2020 Aug 19, 2020 08/19/20

You're trying to control I/O you didn't issue.

What are the possible Status values for Win32_ComputerSystem?

What are the possible Status values for Win32_ComputerSystem?

Raymond Chen August 18, 2020 Aug 18, 2020 08/18/20

There's really only one possible status.