WebJan 22, 2024 · メールスロットからReadFileするときに87エラーが出るときは、. ①CreateFile関数でFILE_FLAG_OVERLAPPEDで開いたときは、OVERLAPPED構造体へのポインタが必要. ②ファイルポインタが終端まで来ている. などの場合があるようですが、どちらも原因ではなさそうです。. WebApr 22, 2024 · 1. FILE_FLAG_BACKUP_SEMANTICS You must set this flag to obtain a handle to a directory. – RbMm. Apr 22, 2024 at 8:58. 1. There's a section titled "Directories" in the documentation. Did you not read it or did you but it didn't answer all your questions.
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WebJun 25, 2012 · I have some data that I'm writing to a USB device. I use API functions CreateFile, WriteFile and ReadFile. All of these functions work great and serve their purpose. I'm attempting to call the function CloseHandle() (as per the CreateFile() documentation) but it doesn't seem to work. When it gets to the call it just hangs … WebOct 5, 2024 · ハンドルを使用する関数がERROR_INVALID_HANDLEで失敗した場合、通常は CloseHandle を呼び出す必要はありません。このエラーは通常、ハンドルが既に無 … jean knapp ogunquit rentals
CreateFile后为何要CloseHandle?-CSDN社区
WebSep 21, 2024 · 本主题中的示例演示如何使用控制台进程中的 CreateProcess 函数创建子进程。. 它还演示了使用匿名管道重定向子进程的标准输入和输出句柄的技术。. 请注意,命名管道还可用于重定向进程 I/O。. CreatePipe 函数使用 SECURITY_ATTRIBUTES 结构创建可继承的句柄,以读取和 ... WebOct 12, 2024 · Closing a thread handle does not terminate the associated thread or remove the thread object. Closing a process handle does not terminate the associated process … WebSep 21, 2024 · 예: 읽기용 파일 열기. 다음 예제에서는 CreateFile 을 사용하여 읽기 위해 기존 파일을 열고 ReadFile 을 사용하여 파일에서 최대 80자를 동기적으로 읽습니다. 이 경우 지정한 파일이 현재 디렉터리에 이미 있는 경우에만 CreateFile 이 성공합니다. 호출에서 동일한 ... jean knowles mn