IsolatedStorageFileStream::Lock Method (Int64, Int64)

.NET Framework (current version)

Prevents other processes from reading from or writing to the stream.

Namespace: System.IO.IsolatedStorage
Assembly: mscorlib (in mscorlib.dll)

Syntax

public:
virtual void Lock(
	long long position,
	long long length
) override

position: Type: System::Int64
The starting position of the range to lock. The value of this parameter must be equal to or greater than 0 (zero).

Exception	Condition
ArgumentOutOfRangeException	position or length is negative.
ObjectDisposedException	The file is closed.
IOException	The process cannot access the file because another process has locked a portion of the file.

Locking a range of a file stream gives the threads of the locking process exclusive access to that range of the file stream.

.NET Framework
Available since 4.5