The Old New Thing

The various ways of moving between C++/WinRT and classic COM

August 30, 2021 Aug 30, 2021 08/30/21

Raymond Chen

Crossing to the other side.

How can I break down a shell item in the same way as the breadcrumb bar?

August 27, 2021 Aug 27, 2021 08/27/21

Raymond Chen

Gathering the folders that lead up to a shell item, walking up the tree, or walking from the root to the leaf, and then obtaining the desired name.

In C#, how do I get the descriptive text for an HRESULT?

August 26, 2021 Aug 26, 2021 08/26/21

Raymond Chen

You can pretend it was an exception.

The Windows Runtime PassArray is a read-only array, even though it isn’t declared const

August 25, 2021 Aug 25, 2021 08/25/21

Raymond Chen

Because in most languages, there is no such thing as const.

C++/WinRT nasty gotcha: winrt::param::hstring constructed from std::wstring_view requires null termination

August 23, 2021 Aug 23, 2021 08/23/21

Raymond Chen

An additional constraint not part of the rules.

How do I find out the size of the mouse cursor?

August 20, 2021 Aug 20, 2021 08/20/21

Raymond Chen

Well, first you have to decide which one you want to measure.