SecureString.IsReadOnly Method
.NET Framework 4.5
Indicates whether this secure string is marked read-only.
Namespace: System.Security
Assembly: mscorlib (in mscorlib.dll)
| Exception | Condition |
|---|---|
| ObjectDisposedException | This secure string has already been disposed. |
After an instance of SecureString is marked read-only by the MakeReadOnly method, any attempt to modify the value of the instance throws an InvalidOperationException. Use the IsReadOnly method to test whether a SecureString is read-only.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.