file Operation

#include "f1.h" HANDLE hFile; void *fileCreate() { char FilePath[MAX_PATH] = "f:\\test.txt"; hFile = CreateFile(FilePath,GENERIC_WRITE,0,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL); if(hFile == NULL) { DWORD cError = GetLastError(); TCHAR tempBuff[1024]; wsprintf(tempBuff,_T("GetLastError()=%d\r\n"),cError); OutputDebugString(tempBuff); } return hFile; } void fileWrite() { char charBuffer[4096];//write the data from charBuffer into file memcpy(charBuffer,String,sizeof(String)); dwWriteSize=0; reW=WriteFile(hFile,charBuffer,4096,&dwWriteSize,NULL); if (reW == 0) { DWORD wError = GetLastError(); char tempBuff[1024]; wsprintf(tempBuff,_T("GetLastError()=%d\r\n"),wError); OutputDebugString(tempBuff); } SetFilePointer(hFile,dwWriteSize,NULL,FILE_BEGIN); } void fileRead() { DWORD dwReadSize = 0; reR = ReadFile(hFile,charBuffer,4096,&dwReadSize,NULL); if (reR == 0) { DWORD rError = GetLastError(); TCHAR tempBuff[1024]; wsprintf(tempBuff,_T("GetLastError()=%d\r\n"),rError); OutputDebugString(tempBuff); } } void fileDelete() { reD = DeleteFile(hFile); if (reD == 0) { DWORD dError = GetLastError(); TCHAR tempBuff[1024]; wsprintf(tempBuff,_T("GetLastError()=%d\r\n"),dError); OutputDebugString(tempBuff); } }