Marshal::ZeroFreeGlobalAllocUnicode Method (IntPtr)
Frees an unmanaged string pointer that was allocated using the SecureStringToGlobalAllocUnicode method.
Assembly: mscorlib (in mscorlib.dll)
The SecureStringToGlobalAllocUnicode method.method first zeros out and then frees unmanaged memory that was allocated using the
The following example demonstrates how to use the SecureStringToGlobalAllocUnicode method with the unmanaged LogonUser function to perform impersonation with the SecureString class. The example then uses the method to zero out and free the unmanaged string reference.
requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.
Available since 4.5
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Available since 8.1