MutexAcl.OpenExisting(String, MutexRights) Method
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Opens a specified named mutex, if it already exists, and applies the desired access rights.
public:
static System::Threading::Mutex ^ OpenExisting(System::String ^ name, System::Security::AccessControl::MutexRights rights);
public static System.Threading.Mutex OpenExisting (string name, System.Security.AccessControl.MutexRights rights);
static member OpenExisting : string * System.Security.AccessControl.MutexRights -> System.Threading.Mutex
Public Shared Function OpenExisting (name As String, rights As MutexRights) As Mutex
- name
- String
The name of the mutex to be opened. If it's prefixed by "Global", it refers to a machine-wide mutex. If it's prefixed by "Local", or doesn't have a prefix, it refers to a session-wide mutex. Both prefix and name are case-sensitive.
- rights
- MutexRights
The desired access rights to apply to the returned mutex.
An existing named mutex.
name
is null
.
name
is an empty string.
The named mutex does not exist or is invalid.
The path was not found.
A Win32 error occurred.
The named mutex exists, but the user does not have the security access required to use it.
Product | Versions |
---|---|
.NET | 8 (package-provided), 9 (package-provided) |
.NET Framework | 4.7 (package-provided), 4.7.1 (package-provided), 4.7.2 (package-provided), 4.8 (package-provided) |
.NET Standard | 2.0 (package-provided) |
Windows Desktop | 6, 7, 8, 9 |
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