The following enum (Create Process Flags) can be used by CreateProcess, CreateProcessAsUser, CreateProcessWithLogonW, and CreateProcessWithTokenW.

C# Signature:

    [Flags]
    enum CreateProcessFlags
    {
        CREATE_BREAKAWAY_FROM_JOB = 0x01000000,
        CREATE_DEFAULT_ERROR_MODE = 0x04000000,
        CREATE_NEW_CONSOLE = 0x00000010,
        CREATE_NEW_PROCESS_GROUP = 0x00000200,
        CREATE_NO_WINDOW = 0x08000000,
        CREATE_PROTECTED_PROCESS = 0x00040000,
        CREATE_PRESERVE_CODE_AUTHZ_LEVEL = 0x02000000,
        CREATE_SEPARATE_WOW_VDM = 0x00000800,
        CREATE_SHARED_WOW_VDM = 0x00001000,
        CREATE_SUSPENDED = 0x00000004,
        CREATE_UNICODE_ENVIRONMENT = 0x00000400,
        DEBUG_ONLY_THIS_PROCESS = 0x00000002,
        DEBUG_PROCESS = 0x00000001,
        DETACHED_PROCESS = 0x00000008,
        EXTENDED_STARTUPINFO_PRESENT = 0x00080000,
        INHERIT_PARENT_AFFINITY = 0x00010000
    }

Expanded C# Signature:

    [Flags]
    enum CreateProcessFlags : uint
    {
        DEBUG_PROCESS               = 0x00000001,
        DEBUG_ONLY_THIS_PROCESS         = 0x00000002,
        CREATE_SUSPENDED            = 0x00000004,
        DETACHED_PROCESS            = 0x00000008,
        CREATE_NEW_CONSOLE          = 0x00000010,
        NORMAL_PRIORITY_CLASS           = 0x00000020,
        IDLE_PRIORITY_CLASS         = 0x00000040,
        HIGH_PRIORITY_CLASS         = 0x00000080,
        REALTIME_PRIORITY_CLASS         = 0x00000100,
        CREATE_NEW_PROCESS_GROUP        = 0x00000200,
        CREATE_UNICODE_ENVIRONMENT      = 0x00000400,
        CREATE_SEPARATE_WOW_VDM         = 0x00000800,
        CREATE_SHARED_WOW_VDM           = 0x00001000,
        CREATE_FORCEDOS             = 0x00002000,
        BELOW_NORMAL_PRIORITY_CLASS     = 0x00004000,
        ABOVE_NORMAL_PRIORITY_CLASS     = 0x00008000,
        INHERIT_PARENT_AFFINITY         = 0x00010000,
        INHERIT_CALLER_PRIORITY         = 0x00020000,
        CREATE_PROTECTED_PROCESS        = 0x00040000,
        EXTENDED_STARTUPINFO_PRESENT    = 0x00080000,
        PROCESS_MODE_BACKGROUND_BEGIN       = 0x00100000,
        PROCESS_MODE_BACKGROUND_END     = 0x00200000,
        CREATE_BREAKAWAY_FROM_JOB       = 0x01000000,
        CREATE_PRESERVE_CODE_AUTHZ_LEVEL    = 0x02000000,
        CREATE_DEFAULT_ERROR_MODE       = 0x04000000,
        CREATE_NO_WINDOW            = 0x08000000,
        PROFILE_USER            = 0x10000000,
        PROFILE_KERNEL              = 0x20000000,
        PROFILE_SERVER              = 0x40000000,
        CREATE_IGNORE_SYSTEM_DEFAULT    = 0x80000000,
    }

Expanded VB.NET Signature

    <Flags()> _
    Enum CreateProcessFlags
    DEBUG_PROCESS = 1
    DEBUG_ONLY_THIS_PROCESS = 2
    CREATE_SUSPENDED = 4
    DETACHED_PROCESS = 8
    CREATE_NEW_CONSOLE = 10
    NORMAL_PRIORITY_CLASS = 20
    IDLE_PRIORITY_CLASS = 40
    HIGH_PRIORITY_CLASS = 80
    REALTIME_PRIORITY_CLASS = 100
    CREATE_NEW_PROCESS_GROUP = 200
    CREATE_UNICODE_ENVIRONMENT = 400
    CREATE_SEPARATE_WOW_VDM = 800
    CREATE_SHARED_WOW_VDM = 1000
    CREATE_FORCEDOS = 2000
    BELOW_NORMAL_PRIORITY_CLASS = 4000
    ABOVE_NORMAL_PRIORITY_CLASS = 8000
    INHERIT_PARENT_AFFINITY = 10000
    INHERIT_CALLER_PRIORITY = 20000
    CREATE_PROTECTED_PROCESS = 40000
    EXTENDED_STARTUPINFO_PRESENT = 80000
    PROCESS_MODE_BACKGROUND_BEGIN = 100000
    PROCESS_MODE_BACKGROUND_END = 200000
    CREATE_BREAKAWAY_FROM_JOB = 1000000
    CREATE_PRESERVE_CODE_AUTHZ_LEVEL = 2000000
    CREATE_DEFAULT_ERROR_MODE = 4000000
    CREATE_NO_WINDOW = 8000000
    PROFILE_USER = 10000000
    PROFILE_KERNEL = 20000000
    PROFILE_SERVER = 40000000
    CREATE_IGNORE_SYSTEM_DEFAULT = 80000000
    End Enum

User-Defined Types:

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