winapi-rs | Rust bindings to Windows API | Wrapper library
kandi X-RAY | winapi-rs Summary
kandi X-RAY | winapi-rs Summary
Rust bindings to Windows API
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Trending Discussions on winapi-rs
QUESTION
So in my previous question I was advised to convert byte buffers to IStream
via SHCreateMemStream
and use IWICImagingFactory::CreateDecoderFromStream
. The first part already caused some complications as winapi-rs did contain an implementation for the IStream
but not the function itself - thankfully winapi-rs
contained everything i needed to link it as follows:
ANSWER
Answered 2021-Aug-22 at 09:11Thanks to the suggestion from the comment I figured a way to do so by taking a look at the WIC API Overview - however due to some issues on the way I wanted to add the code which allowed me to do the thing. (By no means its a good rust code - but its working for sure).
QUESTION
I'm using the winapi-rs crate and attempting to get the cpu usage, however I'm not even able to make it that far.
PdhCollectQueryData is returning '-2147481643' when converted hex, then to the error code is it '0x800007D5 (PDH_NO_DATA) No data to return.' which is the issue I'm facing.
Could someone help determine what I'm doing wrong to cause 'x800007D5 (PDH_NO_DATA) No data to return'? I can get this working in C++ (code supplied below) but when attempting to convert it to Rust code, it isn't going well at all.
...ANSWER
Answered 2020-Dec-27 at 16:29Here's a literal translation of your C++ example into Rust using the winapi
crate.
As IInspectable said in the comments, you'll need to add some error handling, in this case I've added some assert_eq!
.
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Rust is installed and managed by the rustup tool. Rust has a 6-week rapid release process and supports a great number of platforms, so there are many builds of Rust available at any time. Please refer rust-lang.org for more information.
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