createfile example

It is a very important function to save useful data in the demand of software. For example, the daily stock market data needs to be saved to generate a K-line chart. For example, the log of the game client needs to be saved so that the client can

HANDLE CreateFile (Lptstr lpFileName,DWORD dwDesiredAccess,DWORD dw1_mode,LPSECURITY_ATTRIBUTES lpSecurityAttributes,DWORD dwCreationDisposition,DWORD dwFlagsAndAttributes,HANDLE hTemplateFile);ParametersLpFileName[In] Pointer to a null-terminated

Original: Simple and Easy--api file read-write class Http://www.vbgood.com/thread-102870-1-1.html Read this post: Http://www.vbgood.com/thread-99249-1-1.html wrote a simple class that uses the API to read and write files, menial work. The demo code

Read and write files each software development shows up against must involve the work. The CreateFile function is used to create the corresponding file handle, and the WriteFile function is used to write data to a file, and the ReadFile function

 Createfile usage and example Function prototype:Handle createfile (Lptstr lpfilename, // pointer to the file nameDWORD dwdesiredaccess, // access mode (write/read)DWORD dw1_mode, // share modeLpsecurity_attributes lpsecurityattributes, //

HANDLE CreateFile (LPCTSTR lpFileName,//Pointer to file nameDWORD dwdesiredaccess,//access mode (write/Read)DWORD dwShareMode,//Shared modelpsecurity_attributes lpsecurityattributes,//pointers to security propertiesDWORD dwcreationdisposition,//How

The following functions are typically used to communicate with a peripheral device through the win system:-------------------------------1. CreateFileThe function is to create or open a file or I/O device , commonly used in the form of I/O file,

Instance:(1) The first method of CreateFile Copy Code code as follows: #include "stdafx.h" #include void Main (int argc, char* argv[]) { HANDLE hdevice = CreateFile ("C://s.txt", generic_read| Generic_write, 0, Null Open_existing,

This problem occurs during a serial communication. If COM1 to com9 is enabled normally and com10 or above is disabled, use getlasterror to check whether the specified file cannot be found for the error bit and then view msdn. The explanation is as

  As there are too many notes in Chapter 10, I will post the previous notes first. 1. functions used to open various devices Device Function used to open a device File Createfile (pszname is the path name or UNC path name)