FileStreamExensions.SafeLock Method

Locks a region in a stream. Contains TRY CATCH mechanism.

Namespace: XSharp
Assembly: XSharp.Core (in XSharp.Core.dll) Version: 2.19

Syntax

 STATIC METHOD SafeLock(
	SELF oStream AS FileStream,
	offset AS INT64,
	length AS INT64
) AS LOGIC

public static bool SafeLock(
	this FileStream oStream,
	long offset,
	long length
)

oStream: Type: FileStream
The stream to lock.
offset: Type: Int64
Start of the region to lock. The method checks to see that the location is >= 0.
length: Type: Int64
Size of the region to lock. The method checks to see that the size is > 0.

Type: Logic
TRUE when succesfull, FALSE when an exception occurred during reading or when offset or length were invalid.

In Visual Basic and C#, you can call this method as an instance method on any object of type FileStream. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).