MutexAcl.OpenExisting(String, MutexRights) Method
Definition
Important
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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.MutexPublic Shared Function OpenExisting (name As String, rights As MutexRights) As MutexParameters
- 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.
Returns
An existing named mutex.
Exceptions
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.
