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lock(list) vs. lock(list.syncroot) - C# / C Sharp
Web如果使用非线程同步的实例，那么在多线程访问的时候，需要自己手动调用lock来保持线程同步，例如： ArrayList list = new ArrayList (); lock ( list.SyncRoot ) //当ArrayList为非线程包装的时候，SyncRoot属性其实就是它自己，但是为了满足ICollection的SyncRoot定义，这里还是使用SyncRoot来保持源代码的规范性 { list.Add ( “Add a Item” ); } Web18 apr. 2024 · To list the files in multiple directories, either: Specify each directory's internal code on the command-line. Specify the parent Library short name with the -lib= … datatype of date in python
PowerShell list Methods and examples of PowerShell list - EduCBA
WebUn exemple pourrait être un SyncRoot champ transitoire, utilisé pour le verrouillage de l'objet, en raison de la sécurité des threads: public class Test { [Transient] private object syncRoot = new object(); [Transient] private object syncRoot2; public Test() { this.syncRoot2 = new object(); } } Web2 nov. 2010 · The list inherits from ICollection which requires implementers to expose a gettable object named SyncRoot. From MSDN: “An object that can be used to synchronize access to the ICollection.” If you reflect the List object you can see the implementation. WebC# List SyncRoot { get } Gets an object that can be used to synchronize access to the System.Collections.ICollection. From Type: System.Collections.Generic.List SyncRoot … datatype of datetime in sql