Name
SyncLock Statement
Syntax
SyncLockexpression
...[code
] End SyncLock
-
expression
Use: Required
Type: Any reference type (class, module, interface, array, or delegate)
An expression yielding a single result that can be used to determine the accessibility of
code
-
code
Use: Optional
The code statements to which access is synchronized and that will be executed sequentially
Description
Prevents multiple threads of execution in the same process from accessing shared data or resources at the same time
Rules at a Glance
SyncLock
blocks a thread’s access only if
that thread belongs to the same object instance.
Programming Tips and Gotchas
The
SyncLock
statement wraps a call to the BCL’s System.Threading.Monitor.Enter method.The BCL includes a number of other synchronization mechanisms, all of which are located in the System.Threading namespace.
VB .NET/VB 6 Differences
The SyncLock statement is new to VB .NET. VB 6 provided the developer with no direct means of controlling threads of execution in applications or components.
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