FileOpenTransacted Method (KernelTransaction, String, FileMode, FileAccess, FileShare, Int32, Boolean, PathFormat) |
[AlphaFS] (Transacted) Opens a
FileStream on the specified path using the specified creation mode, read/write and sharing permission, and buffer size.
Namespace:
Alphaleonis.Win32.Filesystem
Assembly:
AlphaFS (in AlphaFS.dll) Version: 2.2
Syntax public static FileStream OpenTransacted(
KernelTransaction transaction,
string path,
FileMode mode,
FileAccess access,
FileShare share,
int bufferSize,
bool useAsync,
PathFormat pathFormat
)
Public Shared Function OpenTransacted (
transaction As KernelTransaction,
path As String,
mode As FileMode,
access As FileAccess,
share As FileShare,
bufferSize As Integer,
useAsync As Boolean,
pathFormat As PathFormat
) As FileStream
public:
static FileStream^ OpenTransacted(
KernelTransaction^ transaction,
String^ path,
FileMode mode,
FileAccess access,
FileShare share,
int bufferSize,
bool useAsync,
PathFormat pathFormat
)
static member OpenTransacted :
transaction : KernelTransaction *
path : string *
mode : FileMode *
access : FileAccess *
share : FileShare *
bufferSize : int *
useAsync : bool *
pathFormat : PathFormat -> FileStream
Parameters
- transaction
- Type: Alphaleonis.Win32.FilesystemKernelTransaction
The transaction. - path
- Type: SystemString
The file to open. - mode
- Type: System.IOFileMode
A constant that determines how to open or create the file. - access
- Type: System.IOFileAccess
A FileAccess value that specifies the operations that can be performed on the
file. - share
- Type: System.IOFileShare
A constant that determines how the file will be shared by processes. - bufferSize
- Type: SystemInt32
A positive Int32 value greater than 0 indicating the buffer size. The
default buffer size is 4096. - useAsync
- Type: SystemBoolean
Specifies whether to use asynchronous I/O or synchronous I/O. However, note that the
underlying operating system might not support asynchronous I/O, so when specifying true, the handle might be
opened synchronously depending on the platform. When opened asynchronously, the BeginRead and BeginWrite methods
perform better on large reads or writes, but they might be much slower for small reads or writes. If the
application is designed to take advantage of asynchronous I/O, set the useAsync parameter to true. Using
asynchronous I/O correctly can speed up applications by as much as a factor of 10, but using it without
redesigning the application for asynchronous I/O can decrease performance by as much as a factor of 10. - pathFormat
- Type: Alphaleonis.Win32.FilesystemPathFormat
Indicates the format of the path parameter.
Return Value
Type:
FileStream
A
FileStream on the specified path, having the specified mode with read, write, or read/write
access and the specified sharing option.
See Also