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Semaphore.OpenExisting Method

For apps that target Windows Phone OS 7.0 and 7.1, do not use this member in your app. If you do, your code will throw a MethodAccessException. This member is security-critical, which restricts it to internal use by the .NET Framework for Windows Phone class library.

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Opens the specified named semaphore, if it already exists.

Namespace:  System.Threading
Assembly:  System (in System.dll)

public static Semaphore OpenExisting(
	string name


Type: System.String
The name of the system semaphore to open.

Return Value

Type: System.Threading.Semaphore
An object that represents the named system semaphore.

Windows Phone OS

Supported in: 8.1, 8.0