IsolatedStorageFileStream.Lock(Int64, Int64) Method
Definition
Important
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Prevents other processes from reading from or writing to the stream.
public:
override void Lock(long position, long length);public override void Lock (long position, long length);[System.Runtime.Versioning.UnsupportedOSPlatform("macos")]
public override void Lock (long position, long length);override this.Lock : int64 * int64 -> unit[<System.Runtime.Versioning.UnsupportedOSPlatform("macos")>]
override this.Lock : int64 * int64 -> unitPublic Overrides Sub Lock (position As Long, length As Long)Parameters
- position
- Int64
The starting position of the range to lock. The value of this parameter must be equal to or greater than 0 (zero).
- length
- Int64
The number of bytes to lock.
- Attributes
Exceptions
position or length is negative.
The file is closed.
The process cannot access the file because another process has locked a portion of the file.
Remarks
Locking a range of a file stream gives the threads of the locking process exclusive access to that range of the file stream.
Applies to
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