[DllImport("Kernel32.dll", EntryPoint="RtlSecureZeroMemory", SetLastError=false)]

static extern void SecureZeroMemory(IntPtr dest, IntPtr size);

Declare Auto Sub SecureZeroMemory Lib "Kernel32.dll" _

    Alias "RtlSecureZeroMemory" (ByVal dest As IntPtr, ByVal size As IntPtr)

   Public Shared Sub SecureZeroMemory(ByVal addr As IntPtr, ByVal size As IntPtr)

PVOID SecureZeroMemory(

RtlSecureZeroMemory(

    Public Shared Sub SecureZeroMemory(ByVal addr As IntPtr, ByVal size As IntPtr)

    SecureZeroMemory(abytearray, absize)