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Code Quality: Replace Vanara with CsWin32 #15000

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gumbarros opened this issue Mar 19, 2024 · 9 comments
Open

Code Quality: Replace Vanara with CsWin32 #15000

gumbarros opened this issue Mar 19, 2024 · 9 comments

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@gumbarros
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gumbarros commented Mar 19, 2024

Description

Related to https://learn.microsoft.com/en-us/dotnet/fundamentals/syslib-diagnostics/syslib1050-1069.

Concerned code

Example:

[DllImport("api-ms-win-core-timezone-l1-1-0.dll", SetLastError = true)]
public static extern bool FileTimeToSystemTime(
	ref FILETIME lpFileTime,
	out SYSTEMTIME lpSymTime);stemTime);

to

[LibraryImport("api-ms-win-core-timezone-l1-1-0.dll", SetLastError = true)]
public static extern bool FileTimeToSystemTime(
	ref FILETIME lpFileTime,
	out SYSTEMTIME lpSystemTime);

Gains

  • Better performance using source generators instead of reflection

Requirements

  • Running R# to generate the report of variables and fields that can be converted
  • Applying the change file by file

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@gumbarros
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https://learn.microsoft.com/en-us/dotnet/standard/native-interop/pinvoke-source-generation

Another reference explaining the benefits. I think this is an important issue.

@0x5bfa
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0x5bfa commented Mar 26, 2024

I like this idea. Feel free to work on it with @yaira2’s approval.

@yaira2
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yaira2 commented Mar 26, 2024

Sounds good, it might be worth splitting this into multiple PRs to make it easier to test and review.

@yaira2 yaira2 moved this from 🆕 New to 📋 Planning stage in Files task board Mar 26, 2024
@yaira2 yaira2 moved this from 📋 Planning stage to 🔖 Ready to build in Files task board Mar 26, 2024
@0x5bfa

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@gumbarros
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Just checked about CsWin32, looks promising because of source generator usage like LibraryImportAttribute. Will make a try tonight at NativeFindStorageItemHelper.cs

@gumbarros gumbarros changed the title Code Quality: SYSLIB1054 - Use LibraryImportAttribute instead of DllImportAttribute to generate p/invoke marshalling code at compile time. Code Quality: SYSLIB1054 - Use CsWin32 instead of DllImportAttribute to generate p/invoke marshalling code at compile time. Mar 28, 2024
@gumbarros
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Don't know if this is expected behavior when migrating:
microsoft/CsWin32#1167

@0x5bfa

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@0x5bfa

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@Josh65-2201 Josh65-2201 moved this from 🔖 Ready to build to 🏗 In progress in Files task board Apr 7, 2024
@Josh65-2201 Josh65-2201 changed the title Code Quality: SYSLIB1054 - Use CsWin32 instead of DllImportAttribute to generate p/invoke marshalling code at compile time. Code Quality: Replace Vanara with CsWin32 Jul 6, 2024
@0x5bfa
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0x5bfa commented Oct 10, 2024

Important

  • Please Use CsWin32 instead of replacing with LibraryImport. This Win32PInvoke class should be going to contain undocumented native functions defined through LibraryImport or DllImport when possible.
  • Don't use "*FromApp" functions. They are intended to be used on UWP. Instead, use native ones.
  • E is easy, M is medium, D is difficult. If anyone else can take a look, it'd be good to start from ones marked as E.

Documented native methods (targets to convert to CsWin32)

  • M: RmRegisterResources
  • M: RmStartSession
  • E: RmEndSession
  • D: RmGetList
  • E: SetPropW
  • E: CreateEvent
  • E: SetEvent
  • E: GetDpiForWindow
  • M: CoWaitForMultipleObjects
  • E: SetWindowLongPtr32
  • E: SetWindowLongPtr64
  • E: SHBrowseForFolder
  • E: SHGetPathFromIDList
  • E: CloseHandle
  • M: GetOverlappedResult
  • E: CancelIo
  • E: CancelIoEx
  • M: WaitForMultipleObjectsEx
  • E: ResetEvent
  • E: WaitForSingleObjectEx
  • M: ReadDirectoryChangesW
  • E: CreateFileFromAppW
  • M: DeviceIoControl
  • M: ToUnicode
  • M: ToUnicodeEx
  • E: GetKeyboardState
  • E: GetKeyboardLayout
  • E: MapVirtualKey
  • M: TranslateMessage
  • E: CreateFileFromApp
  • E: GetFileAttributesExFromApp
  • E: SetFileAttributesFromApp
  • E: SetFilePointer
  • M: ReadFile
  • M: WriteFile
  • M: WriteFileEx
  • M: GetFileTime
  • M: SetFileTime
  • E: GetFileInformationByHandleEx
  • E: GetFileInformationByHandleEx
  • E: FindFirstStreamW
  • E: FindNextStreamW
  • E: GetDpiForMonitor
  • E: OpenProcessToken
  • E: GetCurrentProcess
  • E: GetTokenInformation
  • E: GetLengthSid
  • M: CryptUnprotectData
  • E: IsWow64Process2
  • E: FindNextFile
  • E: FindClose
  • M: FileTimeToSystemTime
  • E: FindFirstFileExFromApp
  • E: CompareStringEx
  • E: SHCreateStreamOnFileEx
  • M: SHCreateItemFromParsingName
  • M: CoCreateInstance
  • E: RegisterApplicationRestart
  • M: SHGetKnownFolderPath

Undocumented native functions

  • IsElevationRequired
  • SHUpdateRecycleBinIcon

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