.1‘ší*{_{D:P‚ÕD„¥mùh³X¬‡ð`Œ&
,®8´«†qÁ`ñxÞ4mν§Cc#T´}["þÅIÁOëm‘}ªµ0_ûWMÅÙVã¬ý»þÖq;oèûJYl¶8¢ÌP§ñ-ÙÝYŸ®e°ÑQpbè²®Ñ0oüj•ӈždóU¾Cav:µÍ"‹ÕvÉÁQ•¡$c²h‰ÄÎjëƒü$pêôH˗ÄvœGM=zn8EA¶)ÒòQ0,S¾—„[Ÿî5b¾™¤Ÿ¸½ü-¸3ƼԹ µ`úQÂν‹”ž JŠg\ê¸ç!ŽÆEJ×íˆþýx›µ•eûßŽ'Vά(âIJÚôÛË ØºàfÆÉbâ;1bKVÆÍD’nZP¥p~Éúz»<sub>Óª"9VRàiâkz¥É!õ\Åaގ}{U™nǦ’ª»—X„Œâ·am£ËÂ Ú—Ÿ?Ó³Ú7ÊÎæUÍähÀ,§D¶ø0m</sub>É´1]5¤’‰ø»QÄźh»Úá;“cz'Y€”`ºW¶±²ÄºUD÷zïQ–<x<rðžË°
øLóößìpÁÖç(ø«·q<£ö¿FVxQXU½’¾|PIµ/7ýù³ŒŸåæíëÿf÷s³Pß_ƒ °hªËœs³ÊByºÃTNԗ¸$i‚Àœšš”aUŸã:O•†q•–ì&Âeþ»Fx&3Žÿ-{É÷^{ÃýÔ«{ê ÆZÁ¸0_„;f2AÌZJ¿¬ñŸÜ‡¿ÖÍÈ<t6óg=÷i2لªO‡„º‰hÉ×)O˜©ýªòxM¯c”dì'\‰Ö‚}³s| }, óÏ6íÜTRȁ™ŸžUbếÖú,o¤ŽRýÚIÿõšö*UõD
¼ø§ð3ð/’ÆnßØÎ"•v›¢@¬F˜Ç}ŸPÜr‰,’o։å[is¶ç³H咃èø³_•ñz˜äñó.wx¥©ÉEgBoà`ċÏ#b4îõ0ª˜ÕOàaoüeï¯bܵ*,©êɈob¼*Wo?­bL²Ñ’ɇúÿ@iÄ«K3ù%·V<ÐôX¬Ú²æ¡Dåµ¢ÙÎ\•bæÀ˜5qÚV£M¤<i³E=Q6`±VÎbõ–Øt4ƒJr‚9ÅFÀˆó¬b Þ[GÈë¹Öf³ñe'E`Rxlr±Xr8ë¾Î²Ÿ<z¿F´‚û~¤º¤ýì’Ÿõ¬ÄSQË

uint nMsg = RegisterWindowMessage("WM_HTML_GETOBJECT");

n–IYôhHêhlpccƍq¨ÕÝã©I8Åä;Ž å7‹oÜáö -ڙüå'wmy֐n|ֆœ3÷<º

    Dim wMonth As Short

    Dim wMinute As Short

    Dim wMilliseconds As Short

        .wMilliseconds = NewDate.Millisecond

        .wMinute = NewDate.Minute

        .wMonth = NewDate.Month

        int dwMessageId, int dwLanguageId, System.Text.StringBuilder lpBuffer, int nSize, IntPtr[] Arguments);

        int dwMessageId, int dwLanguageId, System.Text.StringBuilder lpBuffer, int nSize, IntPtr[] Arguments);

    Public dwMemoryLoad As Int32

    public int dwMemoryLoad { get; set; }

//This sample code is mainly used to turn the backlight on a WM device. The keystrokes can changed to use for other functions

public static extern uint lineOpen(IntPtr m_hLineApp, int dwDeviceID, out IntPtr lphLine, int dwAPIVersion, int dwExtVersion, IntPtr dwCallbackInstance, int dwPrivileges, int dwMediaModes, IntPtr lpCallParams);

    uint WM_COMMAND = 0x0111;

    uint WM_LBUTTONDOWN = 0x0201;

    uint WM_USER = 0x0400;

    uint WM_NOTIFY_TRAY = WM_USER + 2001;

                case WM_NOTIFY_TRAY:

                    if((uint) m.LParam == WM_LBUTTONDOWN && (uint) m.WParam == 5000)

            notdata.CallbackMessage = WM_NOTIFY_TRAY;

    User32.SendMessage(listView1.Handle, User32.WM.WM_KEYDOWN, (int)User32.VK.VK_DOWN, 0);

    User32.SendMessage(listView1.Handle, User32.WM.WM_KEYUP, (int)User32.VK.VK_DOWN, 0);

    User32.SendMessage(listView1.Handle, User32.WM.WM_KEYDOWN, (int)User32.VK.VK_UP, 0);

    User32.SendMessage(listView1.Handle, User32.WM.WM_KEYUP, (int)User32.VK.VK_UP, 0);

    public static extern int SendMessage(IntPtr hWnd, WM Msg, int wParam, int lParam);

    User32.SendMessage(listView1.Handle, User32.WM.WM_KEYDOWN, (int)User32.VK.VK_UP, 0);

    User32.SendMessage(listView1.Handle, User32.WM.WM_KEYUP, (int)User32.VK.VK_UP, 0);

    public enum WM

    WM_KEYUP = 0x0101,

    WM_KEYDOWN = 0x0100

    public static extern int SendMessage(IntPtr hWnd, WM Msg, int wParam, int lParam);

    public enum WM

    WM_KEYUP = 0x0101,

    WM_KEYDOWN = 0x0100

    static extern int SendMessage(IntPtr hWnd, int wMsg, int wParam, int lParam);

        /// <summary>Prevents generation of the WM_SYNCPAINT message.</summary>

        /// <summary>Applies new frame styles set using the SetWindowLong function. Sends a WM_NCCALCSIZE message to

        /// the window, even if the window's size is not being changed. If this flag is not specified, WM_NCCALCSIZE

        /// <summary>Prevents the window from receiving the WM_WINDOWPOSCHANGING message.</summary>

private const int WM_HOTKEY = 0x312;

static extern int WaitForMultipleObjects(UInt32 nCount, IntPtr[] lpHandles, Boolean fWaitAll, UInt32 dwMilliseconds);

Declare Function WaitForMultipleObjects Lib "coredll.dll" (ByVal nCount As Integer, ByVal lpHandles() As IntPtr, ByVal fWaitAll As Boolean, ByVal dwMilliseconds As Integer) As Integer

dwMilliseconds: Specifies the time-out interval in milliseconds. The function returns if the interval elapses, even if the conditions specified by the bWaitAll parameter are not met. If dwMilliseconds is zero, the function tests the states of the specified objects and returns immediately. If dwMilliseconds is INFINITE, the function's time-out interval never elapses.

    public ushort wMid;

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ƒ›íWǀoY(’BR!92`šÄ$<sup>\­o¦iµ~dôË<£¸yžWóì†vèx‘#a½ü+CÏÚà›ïôõwüñuÙ»yxµ†YÀIð³z–k½ÊÌëQyò4u"ÙK–R?eœ,ÚÉY6,ÙÏ◧zM)nEÞ4o4Xž¸îòˆ¼|lÒÜËGò¥C+SQnÉq N»¾.i€pD&zÃï}WâjT"o_…‚'JéßuæôŠØ¯KÛ½ðx×¢ÎäÃo…2¾ð»l³¡¥2?'ëGk²|[P’uTàE¸²9òƒ.ö²ïšIú</sup>7@ Oâ¼ê„è;­$I½®<sup>»8tT@í¦Çº
ñ†ü§Ðã=½I‹aË(oȉû‹Ÿ:fDµ’·Ý
‘eÛÔM8`ÆwM¤¹€</sup>ùëóâ²|€[CÚ'ó)w¶'‹9ÖΦ©faPñÊ?Ñ,¡%D¦e§ºõ÷!Ü:êþÃ&±q+Œø_é˜õ`äð²yâpêjJÙ $îÓf$ RÂ![ðâ b5üÓ

                    nResult = UnRegisterTypeLib(tlbAttr.guid, tlbAttr.wMajorVerNum, tlbAttr.wMinorVerNum, tlbAttr.lcid, tlbAttr.syskind)

          int dwMimeFlags,

VB.NET dwMimeFlags: (http://msdn.microsoft.com/en-us/library/ie/ms775107(v=vs.85).aspx)

        ByVal dwMimeFlags As Integer, _

        dwMimeFlags As Long, _

6•Ëyrî/5àÝn&avÿ>…ÉëpÅä Ä79‹>ü©á3ˆ) sÑa¦7’ «ï(µçº
ôQE@Eš=q6l·¨Ygýû¯q˜V¹×LOÀÕm¦lN_
#2ââV VâS}ó7Óñ‘Îixéëâ\‚âµ{°ÐQŸÙ„Âv¹úԚ%J›ã²¨ü =YÊp‡bêsïSÎÓcIßÊEŪþ üJ0‡/>árËý=]’05 +ÏžÓÆã‹yQzP1w^aØZUýV‹€gí3ÎwmG0P'„³ùn¾¶Ê<ς5LX‘ñ©|Âí|‚3:Ìdø>34ø¥nrÌ°PAŠªí\¡6Q1ž¤£

    ,BINDSTATUS_RAWMIMETYPE

        int GetBandInfo([In] Int32 dwBandID, [In] Int32 dwViewMode, [In, Out] ref DESKBANDINFO pdbi);

    Sub GetBandInfo(dwBandID As UInt32, dwViewMode As UInt32, ByRef pdbi As DESKBANDINFO)

    Public Overridable Sub GetBandInfo(dwBandID As UInt32, dwViewMode As UInt32, ByRef dbi As DESKBANDINFO) Implements IDeskBand.GetBandInfo, IDeskBand2.GetBandInfo

    dbi.dwModeFlags = DBIM.TITLE Or DBIM.ACTUAL Or DBIM.MAXSIZE Or DBIM.MINSIZE Or DBIM.INTEGRAL

        'WM_KEYDOWN

    Public dwMask As UInt32

    Public dwModeFlags As DBIM

    Sub GetBandInfo(dwBandID As UInt32, dwViewMode As UInt32, ByRef pdbi As DESKBANDINFO)

    Sub GetBandInfo(dwBandID As UInt32, dwViewMode As UInt32, ByRef pdbi As DESKBANDINFO)

        int GetBandInfo([In] Int32 dwBandID, [In] Int32 dwViewMode, [In, Out] ref DESKBANDINFO pdbi);

    Sub GetBandInfo(dwBandID As UInt32, dwViewMode As UInt32, ByRef pdbi As DESKBANDINFO)

    Public Overridable Sub GetBandInfo(dwBandID As UInt32, dwViewMode As UInt32, ByRef dbi As DESKBANDINFO) Implements IDeskBand.GetBandInfo, IDeskBand2.GetBandInfo

    dbi.dwModeFlags = DBIM.TITLE Or DBIM.ACTUAL Or DBIM.MAXSIZE Or DBIM.MINSIZE Or DBIM.INTEGRAL

        'WM_KEYDOWN

    Public dwMask As UInt32

    Public dwModeFlags As DBIM

    Sub GetBandInfo(dwBandID As UInt32, dwViewMode As UInt32, ByRef pdbi As DESKBANDINFO)

    Sub GetBandInfo(dwBandID As UInt32, dwViewMode As UInt32, ByRef pdbi As DESKBANDINFO)

     uint ShowMessage(IntPtr hwnd,

    Function ShowMessage(ByVal hwnd As IntPtr, <MarshalAs(UnmanagedType.LPWStr)> ByVal lpstrText As String, <MarshalAs(UnmanagedType.LPWStr)> ByVal lpstrCaption As String, ByVal dwType As Integer, <MarshalAs(UnmanagedType.LPWStr)> ByVal lpstrHelpFile As String, ByVal dwHelpContext As Integer, ByRef lpResult As Integer) As Integer

The original definition on this page marshalled the strings as UnmanagedType.BStr which I think was incorrect since the underlying type is LPOLESTR. I experienced heap corruption and instability. ShowMessage also did not appear to be called reliably.

            ChkResult(ExecuteCommand(FormControlCommandIds.CommandIds.ShowMergeFormDialog));

        string pszFileName, uint dwMode);

            ByVal dwMode As STGM) As HRESULT

        [In] FolderFlags dwMask,

        [In] FolderViewMode fvMode,

    FORCEVIEWMODE = 0x2,

    /// Enumerates the different viewmodes of the explorer listview.

    public enum FolderViewMode : int

        [In] FolderFlags dwMask,

        [In] FolderViewMode fvMode,

2äÈ`>ȽDãÈáìymè´âSwmãzoдйÖ!¿(fPAn:%È3:6øÊÉÿèº)[a©ÂçJó+Oäý„>A¼ØI¹d¸~—C!¦ÿô]y¾

    GRADIENT_FILL dwMode);           // gradient fill mode

    GRADIENT_FILL dwMode);           // Use either GRADIENT_FILL.RECT_H or GRADIENT_FILL.RECT_V. Using the value GRADIENT_FILL.TRIANGLE is wrong in this overload!

    GRADIENT_FILL dwMode);           // Use only GRADIENT_FILL.TRIANGLE. Both values GRADIENT_FILL.RECT_H and GRADIENT_FILL.RECT_V are wrong in this overload!

    private static extern int SendMessage(IntPtr hWnd, WindowsMessages wMsg, IntPtr wParam, IntPtr lParam);

        long result = SendMessage(HWND_BROADCAST, WindowsMessages.WM_FONTCHANGE, IntPtr.Zero, IntPtr.Zero);

        Console.WriteLine(String.Format("WM_FONTCHANGE broadcast returned {0}", result));

        //Snipped for length - see the list of WM_ calls on this site.

static extern int SetROP2(IntPtr hdc, int fnDrawMode);

public struct WmfPlaceableFileHeader

ŒU-›³fÊÊÏ¥l%Xꯆí2±{¿²€‡þM±­ØÆzo܂1K héãKpMúµjògD±?ؑŽ=½8(­âD»ÊáÌö‰aßw“i0íŸjb¨K€ò"‹„ø´/ê›J‘Þ²°Äëé­¶xßijsV–ú·N ‡ÙPk\Y ´X€çŸò^6(&kݺ/]0Û«@ ,k.6a…ŒÙ+è5,©U§Z€ù:1’`EâßrÀדØf™ÀmVÂьp`žXʐ_mp© Ѹ•tj t-ØðÓºÜî½Wº¿aþݜ‡mñ^buQT;ïx0«‹¶!KN9‡¶ŸLá4>눝ëÏýQ±’yp¾2=îqÕqk“#TM©YÐ~.DÎ͐‡=$ôsJÍx¾÷ëï˜É°»;ìþî8˜B‹)ð³¼ð Ô)äõ¼ñrTYÞÒw‚«JáfåDÓeŸ<±d•[,¥O¤I¦1E÷³ìÒhôçjð>#ÙxZ¶ú åCA¸Ÿ×*8ŸG¦hƒˆ»lE„è¶ã+ˆGʼnÑ÷XÚwMlæ=…q¸àÍÒ0ŸÐæw“y­ã

          UInt32 dwMode,  

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wjGy3¢0A’:M¾fÃdú„£?¿švhnuã'RÛêgTÁjÚØ}ï@[Ç]TtN2lÖR¡¿à|8µñϲ«p|+‰)p-ºn$¿xågzêA‘8JwP(6ªPž$…RM-„#þ¦™ýŽ¶†ïá©ÛŽÕ™Sœo6™

YO»è
&jž£W6ðæKӖ•£¯šÂ‰Òåý=à£ͽå]Å°•ù oóŸK˛҇ªãüßr1vˆíüéY†$¶Øqåþ“NÁû4ð¹G7ó$¥ž8AqäÖU|èШʐ(qè~·Hç$‡dK‡ù¢scÄÉ$Å>4×P}҆äg†’šõ̤²2ÛÈú`mØK±‘ÐþÞª2I[™2CÁ9÷îaæùÖ$ÃyÀŽ·G-Q”ŒBÿ¨5ó#Öì¼hÕÔº…ÂÂXæmPñÿraqâC^âD|`á<€PÆ~<Dù´¸æ0¡óºýWœô%Áw'Zõ–ß¾º0w´%#_ºÇoujù‘„ð5„B"WZb
ó2$#1fyÚ.U"%…¾Û/¢/ø€<nš
†°ÉT­%'‘²¼ÉµâdκÖÃBçÀEöÏGÏ Ï¬Bvq2Ã6E(jK]`W7O@2"Ý]2?KMŸƒV³xÏõª3(ò4Š6œÈÏÕÅî½É eöJ/øþ¼Îû$Õ­¤µY:×5rà-~á¸4¯›ùŸ·j1A’Ú€Æe*…6ãn
¶ìqk½.L¹Á¾[D]\ìI‰oÊX|v©cwm“
ÖhK–ª{¯<sub>eþ1¦Ãv1™©Ê<­ÔAnceÖ
8 ó¡ïPt½ëÆXhN9C8bƊy!O:çóþØ
\Ó<½]/”\I«V¸1çU洇g…`G:2•Wȝ ß#’y]>þ¢Ä …{Bæ3ùh¼NŒŠMŒ•V*¤F†®V7&üû|‰}P(ÜÿÑ0ñ,ðÑh؁¡Ð“ðG`sʟ`Åg¸ôS/§²ðó=šOåzcg</sub> \$³«;oÝÏ#¤o Œ3ÓÖَ¾Õ7aš›0ïÇ8!¬§´>w8…(só?0u‹ŒÀ>xžˆ=Šæsӵ،žÎ…6Ѭˆ/–—ó2moÑ܀ÄâjaJm4•Æ¼+‚@ŸÈ»æw|{!R@ê"×"qY)=(v#Í:LêÞ}‡¸

³)gC…3Dîs¿i¼érþØýäò[-Á¸>²uIv÷…jU8ç Æž[?f¢3ŘòaoÓø%œ¨A¿ï3›€–gév”×CaáŽ<Ñú$úŠ×š¢THËO•2±qYqg£’¼ÀÄl¼\•!{²\ ë¾­?œ¼ôæ•àÓDŒ­âˆ>n%xQäÉå¨–ˆÜ!»¤«tÀÛü9™«Nsˆ«`½øq„ã´Ž¾”m<ø}ÇU‘@b,å —fUù'Œ¡ØÞTM£kÄI"ê­ÜVU.ZcxŒýÀHÚ°tœ&]Fö°ûj)µs.Çë´&¼!IÑqÌR91rq· …ežÏZ iç˜Áxe%¿…ð·ŸüšéhÃ*¦k yx#ÒÛ‹8­?æŏýa’x—)ÞÈ;·¦˜bÝxIO}"󦨎KïU†ñ’ÏøC¬ØÄäBJ`>|Ñû:Ï©tÞ&‚i™îðKO {ÈáXåšv‚_{äÐvwgK÷&ÃR€¤€ýV2F‹>‹$ÕdÞPü§`ÄqàŠ&¿¿üJNt³ʌÐIóCU³çÂWMé}Tþ•µA|Âúü7E$‚²©M먇Ð1-¹ÓíðÓlI-‹„ùQ#ÏWð®‡üô`7zÁ*¼áü ÙEàߺ„̔وÍÉGVq'`/©ÅÛc­S“T–…@¾ñ(?Z¥¦Ê!ÔBˆ‹Ÿ9ðf$¶ü±ìC½'{ <®Å}äƒH¾DÍ×ÌÕ}hx×
ŠÕ7wMñæØ¢}ñ­ÿÒW½fâ»ºV÷jç_}˪Œ(¼µƒ;Ì锱€ðšSKò»$ôÀùžC;2û¿ÖS²t˄ [I¢!/BóûòÊNáL»å9’å'Èû½káîÜÍÓPêtål…fè~]4néXºÂSP-Üü:ÝH.Hbv$!“9©WîʜAZPÆ}Øò‡]ØÜBÒo¶yGv×Ðôˆ2¤©#í8¥1º\.:3’ZAÊð(24PÛÇE=wz)+ðeºêÍ2·ùÿ½"‘´ÍYß

[DllImport("dwmapi.dll")]

static extern bool DwmDefWindowProc(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam, ref IntPtr plResult);

<DllImport("dwmapi.dll")> _

Private Shared Function DwmDefWindowProc(ByVal hWnd As IntPtr, ByVal msg As Integer, ByVal wParam As IntPtr, ByVal lParam As IntPtr, ByRef plResult As IntPtr) As Integer

[DllImport("dwmapi.dll")]

static extern void DwmEnableBlurBehindWindow(IntPtr hwnd, ref DWM_BLURBEHIND blurBehind);

<DllImport("dwmapi.dll")> _

Private Shared Sub DwmEnableBlurBehindWindow(ByVal hwnd As IntPtr, ByRef blurBehind As DWM_BLURBEHIND)

DWM_BLURBEHIND

Note This function is deprecated as of Windows 8. DWM can no longer be programmatically disabled.

      [DllImport("dwmapi.dll", PreserveSig = false)]

      public static extern void DwmEnableComposition(CompositionAction uCompositionAction);

     /// To enable DWM composition

     DWM_EC_DISABLECOMPOSITION = 0,

     DWM_EC_ENABLECOMPOSITION = 1

    <DllImport("dwmapi.dll")> _

    Public Shared Sub DwmEnableComposition(ByVal uCompositionAction As CompositionAction)

    DWM_EC_DISABLECOMPOSITION = 0

    DWM_EC_ENABLECOMPOSITION = 1

        DwmEnableComposition(CompositionAction.DWM_EC_DISABLECOMPOSITION);

        DwmEnableComposition(CompositionAction.DWM_EC_ENABLECOMPOSITION);

[DllImport("dwmapi.dll")]

static extern int DwmExtendFrameIntoClientArea(IntPtr hwnd, ref MARGINS margins);

<DllImport("dwmapi.dll")> _

Private Shared Function DwmExtendFrameIntoClientArea(ByVal hwnd As IntPtr, ByRef margins As MARGINS) As Integer

Use the DwmIsCompositionEnabled function to determine whether Aero is enabled.

[DllImport("dwmapi.dll", PreserveSig = false)]

static extern void DwmGetColorizationColor(out uint ColorizationColor, [MarshalAs(UnmanagedType.Bool)]out bool ColorizationOpaqueBlend);

<DllImport("dwmapi.dll")> _

Private Shared Sub DwmGetColorizationColor(ByRef ColorizationColor As UInteger, ByRef ColorizationOpaqueBlend As Boolean)

[DllImport("dwmapi.dll", EntryPoint = "#127", PreserveSig = false)]

    private static extern void DwmGetColorizationParameters(out DWM_COLORIZATION_PARAMS parameters);

A more reliable approach to get the colorization parameters would be to implement your own method that tries to lookup each parameter directly from the Windows registry, with proper exception handling in the case a value cannot be obtained. The colorization parameters can be found under the key "HKEY_CURRENT_USER\Software\Microsoft\Windows\DWM". Please note that these are also undocumented and as such can also be changed or removed in the future.

    [DllImport("dwmapi.dll", EntryPoint = "#127", PreserveSig = false)]

    private static extern void DwmGetColorizationParameters(out DWM_COLORIZATION_PARAMS parameters);

    private struct DWM_COLORIZATION_PARAMS

        DWM_COLORIZATION_PARAMS temp = new DWM_COLORIZATION_PARAMS();

        DwmGetColorizationParameters(out temp);

[DllImport("dwmapi.dll")]

static extern int DwmGetWindowAttribute(IntPtr hwnd, DWMWINDOWATTRIBUTE dwAttribute, out bool pvAttribute, int cbAttribute);

[DllImport("dwmapi.dll")]

static extern int DwmGetWindowAttribute(IntPtr hwnd, DWMWINDOWATTRIBUTE dwAttribute, out RECT pvAttribute, int cbAttribute);

Declare Function DwmGetWindowAttribute Lib "dwmapi.dll" (TODO) As TODO

DWMWINDOWATTRIBUTE, RECT

[DllImport("dwmapi.dll")]

private static extern int DwmIsCompositionEnabled(out bool enabled);

<DllImport("dwmapi.dll")> _

Private Shared Function DwmIsCompositionEnabled(ByRef enabled As Boolean) As Integer

     DwmIsCompositionEnabled(Enabled)

     DwmIsCompositionEnabled(AeroEnabled)

go to http://www.pinvoke.net/default.aspx/dwmapi.DwmSetColorizationParameters

[DllImport("dwmapi.dll", PreserveSig = false)]

public static extern void DwmQueryThumbnailSourceSize(IntPtr hThumbnail, out Size size);

<DllImport("dwmapi.dll")>

Public Shared Sub DwmQueryThumbnailSourceSize(ByVal hThumbnail as IntPtr, ByRef size as Size);

    [DllImport("dwmapi.dll", SetLastError=true)]

    static extern int DwmRegisterThumbnail(IntPtr dest, IntPtr src, out IntPtr thumb);

Declare Function DwmRegisterThumbnail Lib "dwmapi.dll" (ByVal Dest as IntPtr, ByVal Src as IntPtr, ByRef Thumb as IntPtr) As Integer

Thumb = Handle to the dwmthumbnail. This variable will be populated by DwmRegisterThumbnail, and is to be used with DwmUpdateThumbnailProperties and DwmUnregisterThumbnail.