CreateFile Windows COM1. C / C++ Forums on Bytes. weird! I tried the following: 1. char str; //port was passed in through the function parameter
CreateFile(), GetHandleInformation() and CloseHandle() Compiler: Visual C++ Express Edition 2005. Compiled on Platform: Windows XP Pro SP2. Header file: Standard and Windows. Additional library: Windows Platform SDK. Additional project setting: Set project to be compiled as C Jul 30, 2011 · Thank you for your time Simple Samples.. and sorry for late updating this thread. It's already resolved. The argument that I am referring to is the lpFileName. The problem happened in my include file that reads the INI File. CreateFile Windows COM1. C / C++ Forums on Bytes. weird! I tried the following: 1. char str; //port was passed in through the function parameter How to create a file in UTF-8 mode using CreateFile API we can use fopen with mode set to UTF8 encoding but i didnt find anything similar to CreateFile API . 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 When opening an existing file, CreateFile performs the following actions: Combines the file flags specified by dwFlagsAndAttributes with existing file attributes. CreateFile ignores the file attributes specified by dwFlagsAndAttributes. Sets the file length according to the value of dwCreationDisposition. Ignores the hTemplateFile parameter.
In this case, CreateFile succeeds only if the specified file already exists in the current directory. A subsequent call to open this file with CreateFile will succeed if the call uses the same access and sharing modes. Tip: You can use the file you created with the previous WriteFile example to test this example.
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.
When opening an existing file, CreateFile performs the following actions: Combines the file flags specified by dwFlagsAndAttributes with existing file attributes. CreateFile ignores the file attributes specified by dwFlagsAndAttributes. Sets the file length according to the value of dwCreationDisposition. Ignores the hTemplateFile parameter.
To compile an application that uses the CreateFile2 function, define the _WIN32_WINNT macro as 0x0602 or later. For more information, see Using the Windows Headers. CreateFile2 supports file interaction and most other types of I/O devices and mechanisms available to Windows developers. If you are deleting an open file or directory on a remote machine and it has already been opened on the remote machine without the read share permission set, do not call CreateFile or OpenFile to open the file or directory for deletion first. Doing so will result in a sharing violation. Friend Function CreateFile(ByVal lpFileName As String, _ ByVal dwDesiredAccess As EFileAccess, _ ByVal dwShareMode As EFileShare, _ ByVal lpSecurityAttributes As IntPtr, _ ByVal dwCreationDisposition As ECreationDisposition, _ ByVal dwFlagsAndAttributes As EFileAttributes, _ ByVal hTemplateFile As IntPtr) As Microsoft.Win32.SafeHandles Win32 File API CreateFile function Download EaseFilter Monitor, Control and Encryption Filter Driver SDK Setup File Download EaseFilter Monitor, Control and Encryption Filter Driver SDK Zip File Creates or opens a file or I/O device. The following are 38 code examples for showing how to use win32file.CreateFile(). They are from open source Python projects. You can vote up the examples you like or vote down the ones you don't like. You may also check out all available functions/classes of the module win32file, or try the search function . The CreateFile() is a Win32 API that creates or opens a file or I/O device. On success CreateFile() returns a handle that can be used to access the file or device depending on the flags and attributes specified.