CreateFile Function. Declare Function CreateFile Lib kernel32. dll Alias CreateFileA (ByVal lpFileName As String, ByVal dwDesiredAccess As Long, ByVal dwShareMode As Long, lpSecurityAttributes As Any, ByVal As Long, ByVal dwFlagsAndAttributes As Long, ByVal hTemplateFile As Long) As Long. Windows 95: Supported. createfile example windows Jul 29, 2011 CreateFile( T( COM3 ), Based on the elementary questions you have been asking, using the COM port is going to be very very difficult for you. Look at all the links provided and see if you can find a complete example program that works.
CreateFileA function. Creates or opens a file or IO device. The most commonly used IO devices are as follows: file, file stream, directory, physical disk, volume, console buffer, tape drive, communications resource, mailslot, and pipe. createfile example windows
Using CREATEFILE handle the READ operation is working fine. But the Write operation is not working when i try to write using the CREATEFILE handle. Its it not returning ay errors, but the binary data is not getting changed. Can anyone tell me how to solve this Below 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 OPENEXISTING, and the template must be NULL. I just want to write a string like Example text testing WriteFile or something. But im not sure what values the parameters should have. Ive tried looking around on google but couldnt find anything. createfile example windows Using CreateFile(), ReadFile(), SetFilePointer(), WriteFile(), LockFile(), UnlockFile(), CloseHandle() Functions. 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