¿øÇü |
BOOL WriteFile(HANDLE hFile, LPCVOID lpBuffer, DWORD nNumberOfBytesToWrite, LPDWORD lpNumberOfBytesWritten, LPOVERLAPPED lpOverlapped); |
MFC ¿øÇü |
ÇØ´çÇÏ´Â ÇÔ¼ö ¾øÀ½ |
Àμö |
¢ºhFile : ±â·ÏÇÏ°íÀÚ ÇÏ´Â ÆÄÀÏÀÇ ÇÚµé. ÀÌ ÆÄÀÏÀº GENERIC_WRITE ¾×¼¼½º ±ÇÇÑÀ¸·Î ¿¾î¾ß ÇÑ´Ù. ¢ºlpBuffer : Ãâ·ÂÇÒ µ¥ÀÌÅ͸¦ °¡Áø ¹öÆÛ ¢ºnNumberOfBytesToWrite : ±â·ÏÇÒ ¹ÙÀÌÆ® ¼ö¸¦ ÁöÁ¤ÇÑ´Ù. ÆÄÀÌÇÁ·Î ³×Æ®¿÷ Àü¼ÛÀ» ÇÒ ¶§´Â 65535¹ÙÀÌÆ®±îÁö ±â·ÏÇÒ ¼ö ÀÖ´Ù. ¢ºlpNumberOfBytesWritten : ½ÇÁ¦·Î ±â·ÏÇÑ ¹ÙÀÌÆ® ¼ö¸¦ ¸®ÅϹޱâ À§ÇÑ Ãâ·Â¿ë Àμö. WriteFileÀº È£Ãâ Áï½Ã ÀÌ °ªÀ» 0À¸·Î ¸¸µç´Ù. ºñµ¿±â ÀÔÃâ·ÂÀ» ÇÏÁö ¾ÊÀ» °æ¿ì ÀÌ Àμö´Â NULL·Î ÁÙ ¼ö ¾øÀ¸¸ç ¹Ýµå½Ã DWORDÇü º¯¼ö¿¡ ´ëÇÑ Æ÷ÀÎÅ͸¦ Á¦°øÇØ¾ß ÇÑ´Ù. ¢ºlpOverlapped : ºñµ¿±â ÀÔÃâ·ÂÀ» À§ÇÑ OVERLAPPED ±¸Á¶Ã¼ÀÇ Æ÷ÀÎÅÍ. ÆÄÀÏÀ» FILE_FLAG_OVERLAPPED Ç÷¡±×·Î ¿¾úÀ¸¸é ÀÌ ±¸Á¶Ã¼¸¦ ¹Ýµå½Ã Á¦°øÇØ¾ß ÇÑ´Ù. ºñµ¿±â ÀÔÃâ·ÂÀ» »ç¿ëÇÏÁö ¾ÊÀ» °æ¿ì NULLÀ» ÁÖ¸é µÈ´Ù. |
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¼³¸í |
ÆÄÀÏ¿¡ µ¥ÀÌÅ͸¦ ±â·ÏÇÑ´Ù. ÁÖ·Î µ¿±âÀûÀÎ Ãâ·Â¿¡ »ç¿ëÇÏÁö¸¸ OVERLAPPED ±¸Á¶Ã¼¸¦ Á¦°øÇÏ¸é ºñµ¿±â ÀÔÃâ·ÂÀ» ÇÒ ¼öµµ ÀÖ´Ù. ÆÄÀÏ Æ÷ÀÎÅÍ°¡ °¡¸®Å°°í ÀÖ´Â ÁöÁ¡¿¡ µ¥ÀÌÅ͸¦ ±â·ÏÇÏ¸ç ±â·ÏÀ» ¿Ï·áÇÑ ÈÄ ½ÇÁ¦ ±â·ÏÇÑ ¹ÙÀÌÆ®¼ö¸¸Å ÆÄÀÏ Æ÷ÀÎÅ͸¦ À̵¿½ÃÄÑ ÁØ´Ù. ´Ü, ºñµ¿±â ÀÔÃâ·Â ÁßÀÏ ¶§´Â ÀÀ¿ë ÇÁ·Î±×·¥ÀÌ ÆÄÀÏ Æ÷ÀÎÅ͸¦ Á÷Á¢ À̵¿½ÃÄÑ ÁÖ¾î¾ß ÇÑ´Ù. ÆÄÀϻӸ¸ ¾Æ´Ï¶ó ÆÄÀÌÇÁ, ¼ÒÄÏ, Åë½Å Æ÷Æ®, ÄÜ¼Ö µîÀÇ ÀåÄ¡·Îµµ µ¥ÀÌÅ͸¦ Ãâ·ÂÇÒ ¼ö ÀÖ´Ù. ´ÙÀ½ ¿¹Á¦´Â ¿¡µðÆ® ÄÁÆ®·Ñ¿¡ ÀÔ·ÂµÈ ÅؽºÆ®¸¦ ÆÄÀÏ·Î ÀúÀåÇÑ´Ù. HWND hEdit; LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam) { HDC hdc; PAINTSTRUCT ps; HANDLE hFile; DWORD dwWritten; TCHAR Text[32000]; switch(iMessage) { case WM_CREATE: hEdit=CreateWindow("edit",NULL,WS_CHILD | WS_VISIBLE | WS_BORDER | ES_MULTILINE, 10,10,400,300,hWnd,(HMENU)0,g_hInst,NULL); return 0; case WM_LBUTTONDOWN: hFile=CreateFile("c:\\EditText.txt",GENERIC_WRITE,0,NULL, CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL); GetWindowText(hEdit,Text,32000); WriteFile(hFile,Text,lstrlen(Text),&dwWritten,NULL); CloseHandle(hFile); return 0; case WM_PAINT: hdc=BeginPaint(hWnd, &ps); EndPaint(hWnd, &ps); return 0; case WM_DESTROY: PostQuitMessage(0); return 0; } return(DefWindowProc(hWnd,iMessage,wParam,lParam)); } ¿¡µðÆ®ÀÇ ÅؽºÆ®¸¦ Text ¹öÆÛ¿¡ ±¸ÇÑ ÈÄ ÀÌ ¹®ÀÚ¿ÀÇ ±æÀ̸¸Å hFile·Î Ãâ·ÂÇϵµ·Ï ÇÏ¿´´Ù. |
Âü°íÇÔ¼ö |
CreateFile, ReadFile |
Ç÷§Æû | 95ÀÌ»ó |
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