<StructLayout(LayoutKind.Sequential)> _
Friend Structure PROCESS_INFORMATION
    Public hProcess As IntPtr
    Public hThread As IntPtr
    Public dwProcessId As Int32
    Public dwThreadId As Int32
End Structure
 
<StructLayout(LayoutKind.Sequential)> _
Friend Structure SECURITY_ATTRIBUTES
    Public nLength As Int32
    Public lpSecurityDescriptor As IntPtr
    Public bInheritHandle As Boolean
End Structure
 
<StructLayout(LayoutKind.Sequential)> _
Public Structure STARTUPINFO
    Public cb As Int32
    Public lpReserved As String
    Public lpDesktop As String
    Public lpTitle As String
    Public dwX As Int32
    Public dwY As Int32
    Public dwXSize As Int32
    Public dwYSize As Int32
    Public dwXCountChars As Int32
    Public dwYCountChars As Int32
    Public dwFillAttribute As Int32
    Public dwFlags As Int32
    Public wShowWindow As Short
    Public cbReserved2 As Short
    Public lpReserved2 As IntPtr
    Public hStdInput As IntPtr
    Public hStdOutput As IntPtr
    Public hStdError As IntPtr
End Structure
 
Public Enum SECURITY_IMPERSONATION_LEVEL
    SecurityAnonymous
    SecurityIdentification
    SecurityImpersonation
    SecurityDelegation
End Enum
 
Public Enum TOKEN_TYPE
    TokenPrimary = 1
    TokenImpersonation
End Enum