System.Win.ScktComp.TCustomWinSocket.Lock
Delphi
procedure Lock;
C++
void __fastcall Lock();
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
procedure function |
public | System.Win.ScktComp.pas System.Win.ScktComp.hpp |
System.Win.ScktComp | TCustomWinSocket |
Description
Starts a critical section, blocking all other execution threads until the Unlock method is called.
Call Lock before beginning a section of code that is not thread-safe. Call Unlock when the critical section of code is completed. Unless absolutely necessary, do not use Lock to lock lengthy operations such as reading and writing over a blocking connection. Locking lengthy operations can severely impact performance, because all execution threads in the application that use the Windows socket object must wait until Unlock is called.