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CreateNamedPipe
..msdn Add comment W32 Constants Translate this page |
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Creates an instance of a named pipe and returns a handle for subsequent pipe operations. |
| | | Code examples: | | |
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| | | Declaration: | | |
HANDLE CreateNamedPipe(
LPCTSTR lpName,
DWORD dwOpenMode,
DWORD dwPipeMode,
DWORD nMaxInstances,
DWORD nOutBufferSize,
DWORD nInBufferSize,
DWORD nDefaultTimeOut,
LPSECURITY_ATTRIBUTES lpSecurityAttributes
);
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| | | | FoxPro declaration: | | |
DECLARE INTEGER CreateNamedPipe IN kernel32;
STRING lpName,;
LONG dwOpenMode,;
LONG dwPipeMode,;
LONG nMaxInstances,;
LONG nOutBufferSize,;
LONG nInBufferSize,;
LONG nDefaultTimeOut,;
INTEGER lpSecurityAttributes
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| | | | Parameters: | | lpName
[in] The unique pipe name.
dwOpenMode
[in] The pipe access mode, the overlapped mode, the write-through mode, and the security access mode of the pipe handle.
dwPipeMode
[in] The type, read, and wait modes of the pipe handle.
nMaxInstances
[in] The maximum number of instances that can be created for this pipe.
nOutBufferSize
[in] The number of bytes to reserve for the output buffer.
nInBufferSize
[in] The number of bytes to reserve for the input buffer.
nDefaultTimeOut
[in] The default time-out value, in milliseconds.
lpSecurityAttributes
[in] A pointer to a SECURITY_ATTRIBUTES structure that specifies a security descriptor for the new named pipe. |
| | | Return value: | | | If the function succeeds, the return value is a handle to the server end of a named pipe instance. |
| | | My comment: | | LOCAL hPipe, cPipeName, nOpenMode, nPipeMode
cPipeName = "\\.\pipe\tpipe"
nOpenMode = BITOR(PIPE_ACCESS_DUPLEX,;
FILE_FLAG_FIRST_PIPE_INSTANCE)
nPipeMode = BITOR(PIPE_TYPE_BYTE,;
PIPE_READMODE_BYTE, PIPE_WAIT)
hPipe = CreateNamedPipe(m.cPipeName, nOpenMode, nPipeMode,;
1, 0x1000, 0x1000,;
NMPWAIT_USE_DEFAULT_WAIT, 0)
IF hPipe = INVALID_HANDLE_VALUE
? "CreateNamedPipe failed:", GetLastError()
RETURN
ENDIF
= CloseHandle(m.hPipe)
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| | | Word Index links for the CreateNamedPipe : | | |
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| | | Translate this page: | | | | | | • | | | Created: | 2007-01-16 18:37:51 | | Modified: | 2007-01-16 18:44:28 |
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Using named pipes for interprocess communication 