Used with CreateProcess, CreateProcessAsUser, and CreateProcessWithLogonW to specify the window station, desktop, standard handles, and appearance of the main window for the new process.

C# Definition:

  [StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]
  public struct STARTUPINFO
  {
    public uint    cb;
    public string  lpReserved;
    public string  lpDesktop;
    public string  lpTitle;
    public uint    dwX;
    public uint    dwY;
    public uint    dwXSize;
    public uint    dwYSize;
    public uint    dwXCountChars;
    public uint    dwYCountChars;
    public uint    dwFillAttribute;
    public uint    dwFlags;
    public ushort  wShowWindow;
    public ushort  cbReserved2;
    public IntPtr  lpReserved2;
    public IntPtr  hStdInput;
    public IntPtr  hStdOutput;
    public IntPtr  hStdError;
  }

VB Definition:

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)> _
Structure STARTUPINFO
   Public cb As Integer
   Public lpReserved As String
   Public lpDesktop As String
   Public lpTitle As String
   Public dwX As Integer
   Public dwY As Integer
   Public dwXSize As Integer
   Public dwYSize As Integer
   Public dwXCountChars As Integer
   Public dwYCountChars As Integer
   Public dwFillAttribute As Integer
   Public dwFlags As Integer
   Public wShowWindow As Short
   Public cbReserved2 As Short
   Public lpReserved2 As Integer
   Public hStdInput As Integer
   Public hStdOutput As Integer
   Public hStdError As Integer
End Structure