static extern int GetPackageFullName(IntPtr hProcess, ref UInt32 packageFullNameLength, StringBuilder fullName);

        return BitConverter.ToUInt32(outpHash, 0);

Private Shared Function IsOS(UInt32 dwOS) As _

     ByRef pathLength As System.UInt32, _

      Dim sz As System.UInt32

      sz = Convert.ToUInt32(INTERNET_MAX_URL_LENGTH)

     ByRef urlLength As System.UInt32, _

      Dim sz As System.UInt32

      sz = Convert.ToUInt32(INTERNET_MAX_URL_LENGTH)

    Public Shared Function CredPackAuthenticationBuffer(ByVal dwFlags As UInt32, ByVal pszUserName As String, ByVal pszPassword As String, ByVal pPackedCredentials As IntPtr, ByRef pcbPackedCredentials As UInt32) As <MarshalAs(UnmanagedType.Bool)> Boolean

                                ByVal dwAuthError As UInt32, _

                                ByRef pulAuthPackage As UInt32, _

                                ByVal ulInAuthBufferSize As UInt32, _

                                ByRef pulOutAuthBufferSize As UInt32, _

    Public Shared Function CredUnPackAuthenticationBuffer(ByVal dwFlags As UInt32, _

                              ByVal pAuthBuffer As IntPtr, ByVal cbAuthBuffer As UInt32, _

                              ByVal pszUserName As StringBuilder, ByRef pcchMaxUserName As UInt32, _

                              ByVal pszDomainName As StringBuilder, ByRef pcchMaxDomainName As UInt32, _

                              ByVal pszPassword As StringBuilder, ByRef pcchMaxPassword As UInt32) As <MarshalAs(UnmanagedType.Bool)> Boolean

static extern int CM_Get_Child(out UInt32 pdnDevInst, UInt32 dnDevInst, int ulFlags);

static extern int CM_Get_Device_ID_Size(out int pulLen, UInt32 dnDevInst, int flags = 0);

// devInst is an uint32 - this matters on 64-bit

static extern int CM_Get_DevNode_Status(out UInt32 status, out UInt32 probNum, UInt32 devInst, int flags);

   out UInt32 pdnDevInst,

   UInt32 dnDevInst,

      UInt32 ptrPrevious;

static extern int CM_Get_Sibling(out UInt32 pdnDevInst, UInt32 dnDevInst, int ulFlags);

static extern UInt32 CM_Reenumerate_DevNode_Ex(UInt32 dnDevInst, UInt32 ulFlags, IntPtr hMachine);

Declare Function CM_Reenumerate_DevNode_Ex Lib "setupapi.dll" (dnDevInst As UInt32, ulFlags As UInt32, hMachine As IntPtr) As UInt32

     UInt32 devRoot;

    static extern int CM_Request_Device_Eject(UInt32 devinst, out PNP_VETO_TYPE pVetoType, System.Text.StringBuilder pszVetoName, int ulNameLength, int ulFlags);

Dim ErrorLine As UInt32 = 0

        UInt32 Flags,

        UInt32 ClassGuidListSize,

        out UInt32 RequiredSize);

     UInt32 InstallFunction,

static extern bool SetupDiClassGuidsFromName(string ClassName, ref Guid ClassGuidArray1stItem, UInt32 ClassGuidArraySize, out UInt32 RequiredSize);

    UInt32 RequiredSize = 0;

        UInt32 ErrorCode;

    UInt32 ClassNameSize,

    out UInt32 RequiredSize

   UInt32 memberIndex,

   UInt32 memberIndex,

    ByVal memberIndex As UInt32, ByRef deviceInterfaceData As SP_DEVICE_INTERFACE_DATA) As Boolean

    public static extern IntPtr SetupDiGetClassDevs(ref Guid classGuid, IntPtr enumerator, IntPtr hwndParent, UInt32 flags);

    public static extern Boolean SetupDiEnumDeviceInterfaces(IntPtr hDevInfo, IntPtr devInfo, ref Guid interfaceClassGuid, UInt32 memberIndex, ref SP_DEVICE_INTERFACE_DATA deviceInterfaceData);

   UInt32 deviceInterfaceDetailDataSize,

   ref UInt32 requiredSize,

            Dim RegType As UInt32 = Reg_Types.REG_SZ

            Dim RequiredSize As UInt32

        out UInt64 propertyType, // or Uint32 ?

        UInt32 flags);

        out UInt64 propertyType, // or Uint32 ?

        UInt32 flags);

    out UInt32 propertyRegDataType,

    out UInt32 requiredSize

    out UInt32 propertyRegDataType,

    out UInt32 requiredSize

          Uint32 RequiredSize;

          Uint32 RegType;

UInt32 RequiredSize = 0;

UInt32 regType = REG_SZ;

Dim ErrorLine As UInt32 = 0

Dim ErrorLine As UInt32 = 0

Dim ErrorLine As UInt32 = 0

Dim ErrorLine As UInt32 = 0

Dim ErrorLine As UInt32 = 0

     ByRef lpStatistics As RAS_STATS) As UInt32

private static extern UInt32 RasGetEntryProperties(

   ref UInt32 lpdwEntrySize,

                          ByRef lpdwEntrySize As UInt32, _

                          ByVal lpdwSize As IntPtr) As UInt32

Public Shared Function RasHangUp(ByVal hRasConn As IntPtr) As UInt32

static extern UInt32 PdhLookupPerfNameByIndex(string szMachineName, uint dwNameIndex, StringBuilder szNameBuffer, ref uint pcchNameBufferSize);

UInt32 iRet = 0;

        Dim cbSize As UInt32

        Dim fFlags As UInt32

Public Enum ACCESS_MASK : Uint32

Enum CLSCTX As Integer '(or UInt32 if using .NET 2.0)

Enum SHChangeNotifyEventID As UInt32

Private Enum SHChangeNotifyFlags As UInt32

Public Enum SHCNE As UInt32

     UInt32 threshold,

     ref  UInt32 size);

     ref  UInt32 size);

    Public Enum EComparationFlags As UInt32

     UInt32 dwDesiredAccess,

     UInt32 dwShareMode,

     UInt32 flags,

        UInt32 dwDesiredAccess,

        UInt32 dwShareMode,

        UInt32 flags,

  ByVal nMaxMessageSize As UInt32, _

  ByVal lReadTimeoutAs As UInt32, _

        UInt32 dwDesiredAccess, UInt32 dwShareMode,

        IntPtr lpSecurityAttributes, UInt32 dwCreationDisposition,

        UInt32 dwFlagsAndAttributes,

    private const UInt32 GENERIC_READ = 0x80000000;

    private const UInt32 GENERIC_WRITE = 0x40000000;

    private const UInt32 FILE_FLAG_OVERLAPPED = 0x40000000;

    private const UInt32 FILE_FLAG_NO_BUFFERING = 0x20000000;

    private const UInt32 OPEN_EXISTING = 3;

    dwCreationFlags As UInt32, _

      Const NORMAL_PRIORITY_CLASS AS UInt32 = &h2

A DWORD or in .NET a UInt32.

    internal UInt32 dwSize;

    internal UInt32 cntUsage;

    internal UInt32 th32ProcessID;

    internal UInt32 th32ModuleID;

    internal UInt32 cntThreads;

    internal UInt32 th32ParentProcessID;

    internal UInt32 dwFlags;

    static extern IntPtr CreateToolhelp32Snapshot([In]UInt32 dwFlags, [In]UInt32 th32ProcessID);

        procEntry.dwSize = (UInt32)Marshal.SizeOf(typeof(PROCESSENTRY32));

    [MarshalAs(UnmanagedType.U4)] UInt32 access,

    [MarshalAs(UnmanagedType.U4)] UInt32 share,

    [MarshalAs(UnmanagedType.U4)] UInt32 creationDisposition,

    [MarshalAs(UnmanagedType.U4)] UInt32 flagsAndAttributes,

public const UInt32 CTRL_C_EVENT = 0;

public const UInt32 CTRL_BREAK_EVENT = 1;

    ref UInt32 AppModelIDLength,

Private Declare Function GetCompressedFileSize Lib "kernel32" Alias "GetCompressedFileSizeA" (ByVal lpFileName As String, ByVal lpFileSizeHigh As IntPtr) As UInt32

Private Shared Function GetComputerNameEx(ByVal NameType As COMPUTER_NAME_FORMAT, ByVal lpBuffer As StringBuilder, ByRef lpnSize As UInt32) As Boolean

Private Shared Function GetComputerNameEx(ByVal NameType As COMPUTER_NAME_FORMAT, ByVal lpBuffer As StringBuilder, ByRef lpnSize As UInt32) As Boolean

        public UInt32 uiNumDigits;

        public UInt32 uiLeadingZero;

        public UInt32 uiGrouping;

        public UInt32 uiNegativeOrder;

        public UInt32 uiPositiveOrder;

        currencyFormat.uiGrouping = Convert.ToUInt32(txtGrouping.Text);

        currencyFormat.uiLeadingZero = Convert.ToUInt32(cboLeadingZero.SelectedIndex);

        currencyFormat.uiNegativeOrder = Convert.ToUInt32(cboNegativeOrder.SelectedIndex);

        currencyFormat.uiNumDigits = Convert.ToUInt32(txtNumDigits.Text);

        currencyFormat.uiPositiveOrder = Convert.ToUInt32(cboPositiveOrder.SelectedIndex);

    ref UInt32 AppModelIDLength,

Public Shared Function GetExitCodeProcess(ByVal hProcess As IntPtr, ByRef lpExitCode As System.UInt32) As Boolean

     dwLen as UInt32, _

static extern UInt32 GetLargePageMinimum();