windows: add window handle related system calls

https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-enumwindows
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-enumchildwindows
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getclassnamew
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getdesktopwindow
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getforegroundwindow
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-iswindow
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-iswindowunicode
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-iswindowvisible
https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getguithreadinfo

Change-Id: I21fbf47e1f459e86503e0e876b44cf47c98b2aa0
GitHub-Last-Rev: 242b79ffb8cbfe7b3359e35379fa3227a70fc0f1
GitHub-Pull-Request: golang/sys#122
Reviewed-on: https://go-review.googlesource.com/c/sys/+/399134
Auto-Submit: Alex Brainman <alex.brainman@gmail.com>
Reviewed-by: Benny Siegert <bsiegert@gmail.com>
Reviewed-by: Than McIntosh <thanm@google.com>
Reviewed-by: Alex Brainman <alex.brainman@gmail.com>
Run-TryBot: Alex Brainman <alex.brainman@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
3 files changed
tree: 56201ced6b66cd295a56435b63577fcc838327bf
  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.