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What is the difference between Monitor and Lock in C#?
Both Monitor and lock provides a mechanism that synchronizes access to objects. lock is the shortcut for Monitor.Enter with try and finally.
Lock is a shortcut and it's the option for the basic usage. If we need more control to implement advanced multithreading solutions using TryEnter() Wait(), Pulse(), & PulseAll() methods, then the Montior class is your option.
Example for Lock −
Example
class Program{ static object _lock = new object(); static int Total; public static void Main(){ AddOneHundredLock(); Console.ReadLine(); } public static void AddOneHundredLock(){ for (int i = 1; i <= 100; i++){ lock (_lock){ Total++; } } }
Example for Monitor −
Example
class Program{ static object _lock = new object(); static int Total; public static void Main(){ AddOneHundredMonitor(); Console.ReadLine(); } public static void AddOneHundredMonitor(){ for (int i = 1; i <= 100; i++){ Monitor.Enter(_lock); try{ Total++; } finally{ Monitor.Exit(_lock); } } } }
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