Jul 22, 2014 · DeviceHandleLocal = CreateFile( DevicePath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, NULL); Because I need the read and the write function regularly alternating I want to create one read-write-handle with both access options like
Using the WIN32 API Functions CreateFile, ReadFile, WriteFile, SetFilePointer from C# What if for some reason you need to use the WIN32 API to read and write files? I know FileStream can do a lot of what the WIN32 API can do, but this is a "what if". a hypothetical situation, ok! CreateFile is #defined to be CreateFileW or CreateFileA, as appropriate. Unless you have a good reason, you would only ever use CreateFile, and let the right version be picked by the #define. On Fri, 7 Dec 2001, [ks_c_5601-1987] ????? wrote: > Dear Members, > > Can anyone let me know the difference between CreateFile() and CreateFileW()? CreateFile() can be used to get a handle to a serial port. The "Win32 Programmer's Reference" entry for "CreateFile()" mentions that the share mode must be 0, the create parameter must be OPEN_EXISTING, and the template must be NULL. CreateFile() is successful when you use "COM1" through "COM9" for the name of the file; however, the message The serial port's handle is a handle that can be used to access the object of serial port. The function that is used to create the serial port handle is the CreateFile function. The following code shows the function that is used to create a handle: You can open a physical or logical drive using the CreateFile() application programming interface (API) with these device names provided that you have the appropriate access rights to the drive (that is, you must be an administrator). You must use both the CreateFile() FILE_SHARE_READ and FILE_SHARE_WRITE flags to gain access to the drive. An IBM Spectrum Protect client running on Windows logs the ANS9999E error during a scheduled incremental backup. The schedule is reported as failed.
An IBM Spectrum Protect client running on Windows logs the ANS9999E error during a scheduled incremental backup. The schedule is reported as failed.
Aug 16, 2019 · Please note the CreateFile() code works in a non-UWP, win32 project compiled with VisStudio 2019. The missing DLL problems are resolved, because they were due to trying to start the .exe from Windows Explorer. Best regards, Craig Create Bitmap File（Win32）. GitHub Gist: instantly share code, notes, and snippets.
Create Bitmap File（Win32）. GitHub Gist: instantly share code, notes, and snippets.
problem with win32 API call from vb using CreateFile(), WriteFile() sending to LPT1. Visual Basic 4 / 5 / 6 Forums on Bytes. Mar 28, 2020 · The Win32::GetOSName(), Win32::GetOSVersion, Win32::GetProductInfo() and Win32::GetSystemMetrics() functions provide the base information to check for certain capabilities, or for families of OS releases. Win32::GetOSName() In scalar context returns the name of the Win32 operating system being used.