This function entry is part of a MAPI-specific list of Win32 functions. For a complete description, see Win32 Functions.
BOOL WriteFile(
HANDLE hFile,
PCVOID lpBuffer,
DWORD nNumberOfBytesToWrite,
PDWORD lpNumberOfBytesWritten,
POVERLAPPED lpOverlapped
)
The lpOverlapped parameter is not supported, and the function fails if it is not NULL.