¶
CFile ¶
Data Members
Construction
Input/Output
Position
Locking
Status
Static
m_hFile | Usually contains the operating-system file handle. |
CFile | Constructs a CFile object from a path or file handle. |
Abort | Closes a file ignoring all warnings and errors. |
Duplicate | Constructs a duplicate object based on this file. |
Open | Safely opens a file with an error-testing option. |
Close | Closes a file and deletes the object. |
Read | Reads (unbuffered) data from a file at the current file position. |
ReadHuge | Can read more than 64K of (unbuffered) data from a file at the current file position. Obsolete in 32-bit programming. See Read. |
Write | Writes (unbuffered) data in a file to the current file position. |
WriteHuge | Can write more than 64K of (unbuffered) data in a file to the current file position. Obsolete in 32-bit programming. See Write. |
Flush | Flushes any data yet to be written. |
Seek | Positions the current file pointer. |
SeekToBegin | Positions the current file pointer at the beginning of the file. |
SeekToEnd | Positions the current file pointer at the end of the file. |
GetLength | Retrieves the length of the file. |
SetLength | Changes the length of the file. |
LockRange | Locks a range of bytes in a file. |
UnlockRange | Unlocks a range of bytes in a file. |
GetPosition | Retrieves the current file pointer. |
GetStatus | Retrieves the status of this open file. |
GetFileName | Retrieves the filename of the selected file. |
GetFileTitle | Retrieves the title of the selected file. |
GetFilePath | Retrieves the full file path of the selected file. |
SetFilePath | Sets the full file path of the selected file. |
Rename | Renames the specified file (static function). |
Remove | Deletes the specified file (static function). |
GetStatus | Retrieves the status of the specified file (static, virtual function). |
SetStatus | Sets the status of the specified file (static, virtual function). |
CFile Prototype ¶
화 한-_-
파 해 "TestFile.txt" 파 ,
CFile 클 Write() 함 해 'A' ~ 'Z' 함 (OnWriteFile()),
파 'A' ~ 'Z' 화 하 함 (OnReadFile()) 함.
하 하 해
OnWriteFile() Open() 함 Write() 함 .
행하 하,
Read() 함 할 .
txt 파 형 bitmap 형 해 하,
화 하, 화 화 하 , 화 한.
하 CFile 해 할 .
#include "stdafx.h" #include "FileioView.h" void CFileioView::OnWritefile() { CFile Wfile; if(!Wfile.Open("TestFile.txt", CFile::modeCreate | CFile::modeWrite)) { ::MessageBox(NULL, "Can't Create testfile.txt !", "Warning", MB_OK | MB_ICONHAND); return; } char* ps = new char[27]; char* ps2 = ps; for(int i=0;i<26;i++) *ps2++ = 'A'+i; *ps2 = NULL; // NULL 한. Wfile.Write(ps,27); Wfile.Close(); delete ps; } void CFileioView::OnReadfile() { CFile Rfile; if(!Rfile.Open("TestFile.txt", CFile::modeRead)) { ::MessageBox(NULL, "Can't Open testfile.txt !", "Warning", MB_OK | MB_ICONHAND); return; } UINT FileLength = (UINT)Rfile.GetLength(); char* ps = new char[FileLength]; Rfile.Read(ps,FileLength); Rfile.Close(); CPaintDC dc(this); dc.TextOut(0,0,ps,lstrlen(ps)); delete ps; }
CFile 클 Write() 함 해 'A' ~ 'Z' 함 (OnWriteFile()),
파 'A' ~ 'Z' 화 하 함 (OnReadFile()) 함.
OnWriteFile() Open() 함 Write() 함 .
행하 하,
Read() 함 할 .
txt 파 형 bitmap 형 해 하,
화 하, 화 화 하 , 화 한.
하 CFile 해 할 .