Copies the contents of a managed SecureString into unmanaged memory, converting into ANSI format as it copies.
Assembly: mscorlib (in mscorlib.dll)
The method is useful for custom marshaling or when mixing managed and unmanaged code. Because this method allocates the unmanaged memory required for a string, always free the memory by calling the ZeroFreeGlobalAllocAnsi method.Notes to Callers
This method is supported only on computers running Windows 2000 Service Pack 3 or later.
The following example uses the method to marshal and decrypt the contents of a SecureString object to a block of unmanaged memory. It then uses the ZeroFreeGlobalAllocAnsi method to zero out and dispose the unmanaged block.
requires full trust for the immediate caller. This member cannot be used by partially trusted or transparent code.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2