The Old New Thing

COM in-process DLL unloaded while trying to clean up from the destruction of the last object

April 30, 2020 Apr 30, 2020 04/30/20

Raymond Chen

Choosing the right time to bid farewell.

How can I detect that the system is no longer showing a UAC prompt?

April 29, 2020 Apr 29, 2020 04/29/20

Raymond Chen

Let's try to understand the actual problem.

When you set Windows 10 to allow only Windows Store apps, it allows them to be installed by anyone, not just the Store app

April 28, 2020 Apr 28, 2020 04/28/20

Raymond Chen

It's about the source of the program, not the delivery mechanism.

The paradoxical sense of relief when instructions to solve the problem fail at the first step

April 27, 2020 Apr 27, 2020 04/27/20

Raymond Chen

Time saved.

How do I use C++/WinRT to implement a classic COM interface that derives from another classic COM interface?

April 24, 2020 Apr 24, 2020 04/24/20

Raymond Chen

You can specialize guid_of.

Why does the value of my XAML Slider change when I updated its range?

April 23, 2020 Apr 23, 2020 04/23/20

Raymond Chen

Releasing the spring.

What kind of apartment is the private apartment I created via CLSID_Context­Switcher?

April 22, 2020 Apr 22, 2020 04/22/20

Raymond Chen

It's where you are.

Virtual desktops are a window management feature, not a performance feature

April 21, 2020 Apr 21, 2020 04/21/20

Raymond Chen

Everything runs the same as it did before.

It rather involved being on the other side of this airtight hatchway: Planting files onto a custom PATH

April 20, 2020 Apr 20, 2020 04/20/20

Raymond Chen

Adding a directory to the PATH comes with obligations.

What will be placed in the output parameter if the function fails?

April 17, 2020 Apr 17, 2020 04/17/20

Raymond Chen

Officially, it could be anything. In practice, though, there are some constraints.