SecureString.IsReadOnly Method ()

 

Indicates whether this secure string is marked read-only.

Namespace:   System.Security
Assembly:  mscorlib (in mscorlib.dll)

public bool IsReadOnly()

Return Value

Type: System.Boolean

true if this secure string is marked read-only; otherwise, false.

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 before attempting to modify it.

.NET Framework
Available since 2.0
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