windows: add DWM window attribute related syscalls

https://docs.microsoft.com/en-us/windows/win32/api/dwmapi/nf-dwmapi-dwmgetwindowattribute
https://docs.microsoft.com/en-us/windows/win32/api/dwmapi/nf-dwmapi-dwmsetwindowattribute

Change-Id: I96a68f91f745601e93c0cc21cc4f1f4c5e7d8b9e
GitHub-Last-Rev: bdbe2ccb22d4c680511fcacc022ce1e13c445828
GitHub-Pull-Request: golang/sys#123
Reviewed-on: https://go-review.googlesource.com/c/sys/+/399135
Reviewed-by: Bryan Mills <bcmills@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Run-TryBot: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
3 files changed
tree: 3a1ec470ccf38dbdc306113d863cf34a1df19ed2
  1. cpu/
  2. execabs/
  3. internal/
  4. plan9/
  5. unix/
  6. windows/
  7. .gitattributes
  8. .gitignore
  9. codereview.cfg
  10. CONTRIBUTING.md
  11. go.mod
  12. LICENSE
  13. PATENTS
  14. README.md
README.md

sys

Go Reference

This repository holds supplemental Go packages for low-level interactions with the operating system.

Download/Install

The easiest way to install is to run go get -u golang.org/x/sys. You can also manually git clone the repository to $GOPATH/src/golang.org/x/sys.

Report Issues / Send Patches

This repository uses Gerrit for code changes. To learn how to submit changes to this repository, see https://golang.org/doc/contribute.html.

The main issue tracker for the sys repository is located at https://github.com/golang/go/issues. Prefix your issue with “x/sys:” in the subject line, so it is easy to find.