windows readfile

Read/write files are Windows What software developers need to do. It can be seen that this work is very important. After all, all kinds of data need to be saved for various analyses or transmitted to others through the network. For example BT

Reading and writing files is a job that every Windows software developer needs to do. It can be seen that this work is very important, after all, all kinds of data need to be preserved in order to make a variety of analysis, or through the network

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

that is, when CreateFile open the file name designation: "\\.\device" is OK.because the code is relatively short, so I do not make comments, I believe you can see the code to understand the meaning.also read and write here is floppy disk a disk NO. 0

BOOL ReadFile (HANDLE hfile,//handle to filelpvoid lpbuffer,//a buffer to hold read-in dataDWORD nNumberOfBytesToRead,//number of characters to be read inLpdword Lpnumberofbytesread,//pointer to the actual number of bytes readlpoverlapped

Reading and writing files is a job that every Windows software developer needs to do. It can be seen that this work is very important, after all, all kinds of data need to be preserved in order to make a variety of analysis, or through the network

What is a dispatch function: Dispatch functions are an important concept in WIndows drivers. The main function of the driver is to handle I/O requests, where most of the I/O requests are handled in the dispatch function. In other words, the dispatch

Serial port is commonly used in the data transmission between the computer and the external serial device, because the serial communication is convenient and easy to use, so widely used. Now the international serial port new technology and new

Windows Mail Slots (mailslot)from the second edition of Windows network programming ChineseAdvantages: broadcasts a message to one or more computers over the network.Disadvantages: Only allow from the client to the server, establish an unreliable

Windows I/O completion port Windows18:17:42Read 418Comment 0 Font size: LargeMediumJS-fcurrent fc05 "> small WindowsComplete Port Programming1. Basic Concepts2. Features of Windows Port completion3. Complete ports) Related data structures and