how to convert html file to image without using any third party tool in asp.net.
hi sure you can do it in asp.net i have done it few months back.see the code below.. in the IECapt.Start() method you can provide the url of html website to be captured .this is a opensource code i found somewhere where i have modified some of its parts to suit my requirement.compile it to a library and call it in your website.i hope it helps.
转载请注明:转自恶猫的博客http://www.apc001.com
using System; using System.Drawing; using System.Drawing.Imaging; using System.Runtime.InteropServices; using System.Runtime.CompilerServices; using System.Windows.Forms; using AxSHDocVw; // Use `aximp %SystemRoot%\system32\shdocvw.dll` using mshtml; // Add "Microsoft.mshtml" (.NET) [ComImport, InterfaceType((short)1), Guid("0000010F-0000-0000-C000-000000000046"), ComConversionLoss] public interface IAdviseSink { void RemoteOnDataChange([In] ref tagFORMATETC pformatetc, [In] IntPtr pStgmed); void RemoteOnViewChange([In] uint dwAspect, [In] int lindex); void RemoteOnRename([In, MarshalAs(UnmanagedType.Interface)] IMoniker pmk); void RemoteOnSave(); void RemoteOnClose(); } [ComImport, Guid("0000000E-0000-0000-C000-000000000046"), InterfaceType((short)1)] public interface IBindCtx { void RegisterObjectBound([In, MarshalAs(UnmanagedType.IUnknown)] object punk); void RevokeObjectBound([In, MarshalAs(UnmanagedType.IUnknown)] object punk); void ReleaseBoundObjects(); void RemoteSetBindOptions([In] ref tagBIND_OPTS2 pbindopts); void RemoteGetBindOptions([In, Out] ref tagBIND_OPTS2 pbindopts); void GetRunningObjectTable([MarshalAs(UnmanagedType.Interface)] out IRunningObjectTable pprot); void RegisterObjectParam([In, MarshalAs(UnmanagedType.LPWStr)] string pszKey, [In, MarshalAs(UnmanagedType.IUnknown)] object punk); void GetObjectParam([In, MarshalAs(UnmanagedType.LPWStr)] string pszKey, [MarshalAs(UnmanagedType.IUnknown)] out object ppunk); void EnumObjectParam([MarshalAs(UnmanagedType.Interface)] out IEnumString ppenum); void RevokeObjectParam([In, MarshalAs(UnmanagedType.LPWStr)] string pszKey); } [ComImport, Guid("0000012A-0000-0000-C000-000000000046"), InterfaceType((short)1)] public interface IContinue { void FContinue(); } [ComImport, InterfaceType((short)1), Guid("3050F3F0-98B5-11CF-BB82-00AA00BDCE0B")] public interface ICustomDoc { void SetUIHandler([In, MarshalAs(UnmanagedType.Interface)] IDocHostUIHandler pUIHandler); } [ComImport, InterfaceType((short)1), ComConversionLoss, Guid("0000010E-0000-0000-C000-000000000046")] public interface IDataObject { void RemoteGetData([In] ref tagFORMATETC pformatetcIn, [Out] IntPtr pRemoteMedium); void RemoteGetDataHere([In] ref tagFORMATETC pformatetc, [In, Out] IntPtr pRemoteMedium); void QueryGetData([In] ref tagFORMATETC pformatetc); void GetCanonicalFormatEtc([In] ref tagFORMATETC pformatectIn, out tagFORMATETC pformatetcOut); void RemoteSetData([In] ref tagFORMATETC pformatetc, [In] IntPtr pmedium, [In] int fRelease); void EnumFormatEtc([In] uint dwDirection, [MarshalAs(UnmanagedType.Interface)] out IEnumFORMATETC ppenumFormatEtc); void DAdvise([In] ref tagFORMATETC pformatetc, [In] uint advf, [In, MarshalAs(UnmanagedType.Interface)] IAdviseSink pAdvSink, out uint pdwConnection); void DUnadvise([In] uint dwConnection); void EnumDAdvise([MarshalAs(UnmanagedType.Interface)] out IEnumSTATDATA ppenumAdvise); } [ComImport, InterfaceType((short)1), Guid("BD3F23C0-D43E-11CF-893B-00AA00BDCE1A"), ComConversionLoss] public interface IDocHostUIHandler { [PreserveSig] uint ShowContextMenu([In] uint dwID, [In] ref tagPOINT ppt, [In, MarshalAs(UnmanagedType.IUnknown)] object pcmdtReserved, [In, MarshalAs(UnmanagedType.IDispatch)] object pdispReserved); void GetHostInfo([In, Out] ref _DOCHOSTUIINFO pInfo); uint ShowUI([In] uint dwID, [In, MarshalAs(UnmanagedType.Interface)] IOleInPlaceActiveObject pActiveObject, [In, MarshalAs(UnmanagedType.Interface)] IOleCommandTarget pCommandTarget, [In, MarshalAs(UnmanagedType.Interface)] IOleInPlaceFrame pFrame, [In, MarshalAs(UnmanagedType.Interface)] IOleInPlaceUIWindow pDoc); void HideUI(); void UpdateUI(); void EnableModeless([In] int fEnable); void OnDocWindowActivate([In] int fActivate); void OnFrameWindowActivate([In] int fActivate); void ResizeBorder([In] ref tagRECT prcBorder, [In, MarshalAs(UnmanagedType.Interface)] IOleInPlaceUIWindow pUIWindow, [In] int fRameWindow); [PreserveSig] void TranslateAccelerator([In] ref tagMSG lpmsg, [In] ref Guid pguidCmdGroup, [In] uint nCmdID); void GetOptionKeyPath([MarshalAs(UnmanagedType.LPWStr)] out string pchKey, [In] uint dw); void GetDropTarget([In, MarshalAs(UnmanagedType.Interface)] IDropTarget pDropTarget, [MarshalAs(UnmanagedType.Interface)] out IDropTarget ppDropTarget); [PreserveSig] void GetExternal([MarshalAs(UnmanagedType.IDispatch)] out object ppDispatch); [PreserveSig] uint TranslateUrl([In] uint dwTranslate, [In, MarshalAs(UnmanagedType.BStr)] string pchURLIn, [In, Out, MarshalAs(UnmanagedType.BStr)] ref string ppchURLOut); uint FilterDataObject([In, MarshalAs(UnmanagedType.Interface)] IDataObject pDO, [MarshalAs(UnmanagedType.Interface)] out IDataObject ppDORet); } [ComImport, InterfaceType((short)1), Guid("00000122-0000-0000-C000-000000000046")] public interface IDropTarget { void DragEnter([In, MarshalAs(UnmanagedType.Interface)] IDataObject pDataObj, [In] uint grfKeyState, [In] _POINTL pt, [In, Out] ref uint pdwEffect); void DragOver([In] uint grfKeyState, [In] _POINTL pt, [In, Out] ref uint pdwEffect); void DragLeave(); void Drop([In, MarshalAs(UnmanagedType.Interface)] IDataObject pDataObj, [In] uint grfKeyState, [In] _POINTL pt, [In, Out] ref uint pdwEffect); } [ComImport, InterfaceType((short)1), Guid("00000103-0000-0000-C000-000000000046")] public interface IEnumFORMATETC { void RemoteNext([In] uint celt, out tagFORMATETC rgelt, out uint pceltFetched); void Skip([In] uint celt); void Reset(); void Clone([MarshalAs(UnmanagedType.Interface)] out IEnumFORMATETC ppenum); } [ComImport, Guid("00000102-0000-0000-C000-000000000046"), InterfaceType((short)1)] public interface IEnumMoniker { void RemoteNext([In] uint celt, [MarshalAs(UnmanagedType.Interface)] out IMoniker rgelt, out uint pceltFetched); void Skip([In] uint celt); void Reset(); void Clone([MarshalAs(UnmanagedType.Interface)] out IEnumMoniker ppenum); } [ComImport, Guid("00000105-0000-0000-C000-000000000046"), InterfaceType((short)1)] public interface IEnumSTATDATA { void RemoteNext([In] uint celt, out tagSTATDATA rgelt, out uint pceltFetched); void Skip([In] uint celt); void Reset(); void Clone([MarshalAs(UnmanagedType.Interface)] out IEnumSTATDATA ppenum); } [ComImport, Guid("00000101-0000-0000-C000-000000000046"), InterfaceType((short)1)] public interface IEnumString { void RemoteNext([In] uint celt, [MarshalAs(UnmanagedType.LPWStr)] out string rgelt, out uint pceltFetched); void Skip([In] uint celt); void Reset(); void Clone([MarshalAs(UnmanagedType.Interface)] out IEnumString ppenum); } [ComImport, InterfaceType((short)1), Guid("0000000F-0000-0000-C000-000000000046")] public interface IMoniker : IPersistStream { void RemoteBindToObject([In, MarshalAs(UnmanagedType.Interface)] IBindCtx pbc, [In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkToLeft, [In] ref Guid riidResult, [MarshalAs(UnmanagedType.IUnknown)] out object ppvResult); void RemoteBindToStorage([In, MarshalAs(UnmanagedType.Interface)] IBindCtx pbc, [In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkToLeft, [In] ref Guid riid, [MarshalAs(UnmanagedType.IUnknown)] out object ppvObj); void Reduce([In, MarshalAs(UnmanagedType.Interface)] IBindCtx pbc, [In] uint dwReduceHowFar, [In, Out, MarshalAs(UnmanagedType.Interface)] ref IMoniker ppmkToLeft, [MarshalAs(UnmanagedType.Interface)] out IMoniker ppmkReduced); void ComposeWith([In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkRight, [In] int fOnlyIfNotGeneric, [MarshalAs(UnmanagedType.Interface)] out IMoniker ppmkComposite); void Enum([In] int fForward, [MarshalAs(UnmanagedType.Interface)] out IEnumMoniker ppenumMoniker); void IsEqual([In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkOtherMoniker); void Hash(out uint pdwHash); void IsRunning([In, MarshalAs(UnmanagedType.Interface)] IBindCtx pbc, [In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkToLeft, [In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkNewlyRunning); void GetTimeOfLastChange([In, MarshalAs(UnmanagedType.Interface)] IBindCtx pbc, [In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkToLeft, out _FILETIME pfiletime); void Inverse([MarshalAs(UnmanagedType.Interface)] out IMoniker ppmk); void CommonPrefixWith([In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkOther, [MarshalAs(UnmanagedType.Interface)] out IMoniker ppmkPrefix); void RelativePathTo([In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkOther, [MarshalAs(UnmanagedType.Interface)] out IMoniker ppmkRelPath); void GetDisplayName([In, MarshalAs(UnmanagedType.Interface)] IBindCtx pbc, [In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkToLeft, [MarshalAs(UnmanagedType.LPWStr)] out string ppszDisplayName); void ParseDisplayName([In, MarshalAs(UnmanagedType.Interface)] IBindCtx pbc, [In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkToLeft, [In, MarshalAs(UnmanagedType.LPWStr)] string pszDisplayName, out uint pchEaten, [MarshalAs(UnmanagedType.Interface)] out IMoniker ppmkOut); void IsSystemMoniker(out uint pdwMksys); } [ComImport, Guid("B722BCCB-4E68-101B-A2BC-00AA00404770"), InterfaceType((short)1)] public interface IOleCommandTarget { void QueryStatus([In] ref Guid pguidCmdGroup, [In] uint cCmds, [In, Out] ref _tagOLECMD prgCmds, [In, Out] ref _tagOLECMDTEXT pCmdText); void Exec([In] ref Guid pguidCmdGroup, [In] uint nCmdID, [In] uint nCmdexecopt, [In, MarshalAs(UnmanagedType.Struct)] ref object pvaIn, [In, Out, MarshalAs(UnmanagedType.Struct)] ref object pvaOut); } [ComImport, InterfaceType((short)1), Guid("00000117-0000-0000-C000-000000000046")] public interface IOleInPlaceActiveObject : IOleWindow { void RemoteTranslateAccelerator(); void OnFrameWindowActivate([In] int fActivate); void OnDocWindowActivate([In] int fActivate); void RemoteResizeBorder([In] ref tagRECT prcBorder, [In] ref Guid riid, [In, MarshalAs(UnmanagedType.Interface)] IOleInPlaceUIWindow pUIWindow, [In] int fFrameWindow); void EnableModeless([In] int fEnable); } [ComImport, InterfaceType((short)1), Guid("00000116-0000-0000-C000-000000000046")] public interface IOleInPlaceFrame : IOleInPlaceUIWindow { void InsertMenus([In] ref _RemotableHandle hmenuShared, [In, Out] ref tagOleMenuGroupWidths lpMenuWidths); void SetMenu([In] ref _RemotableHandle hmenuShared, [In] ref _userHGLOBAL holemenu, [In] ref _RemotableHandle hwndActiveObject); void RemoveMenus([In] ref _RemotableHandle hmenuShared); void SetStatusText([In, MarshalAs(UnmanagedType.LPWStr)] string pszStatusText); void EnableModeless([In] int fEnable); void TranslateAccelerator([In] ref tagMSG lpmsg, [In] ushort wID); } [ComImport, Guid("00000115-0000-0000-C000-000000000046"), InterfaceType((short)1)] public interface IOleInPlaceUIWindow : IOleWindow { void GetBorder(out tagRECT lprectBorder); void RequestBorderSpace([In] ref tagRECT pborderwidths); void SetBorderSpace([In] ref tagRECT pborderwidths); void SetActiveObject([In, MarshalAs(UnmanagedType.Interface)] IOleInPlaceActiveObject pActiveObject, [In, MarshalAs(UnmanagedType.LPWStr)] string pszObjName); } [ComImport, Guid("00000114-0000-0000-C000-000000000046"), InterfaceType((short)1), ComConversionLoss] public interface IOleWindow { void GetWindow([Out] IntPtr phwnd); void ContextSensitiveHelp([In] int fEnterMode); } [ComImport, InterfaceType((short)1), Guid("0000010C-0000-0000-C000-000000000046")] public interface IPersist { void GetClassID(out Guid pClassID); } [ComImport, InterfaceType((short)1), Guid("00000109-0000-0000-C000-000000000046")] public interface IPersistStream : IPersist { void IsDirty(); void Load([In, MarshalAs(UnmanagedType.Interface)] IStream pstm); void Save([In, MarshalAs(UnmanagedType.Interface)] IStream pstm, [In] int fClearDirty); void GetSizeMax(out _ULARGE_INTEGER pcbSize); } [ComImport, InterfaceType((short)1), Guid("00000010-0000-0000-C000-000000000046")] public interface IRunningObjectTable { void Register([In] uint grfFlags, [In, MarshalAs(UnmanagedType.IUnknown)] object punkObject, [In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkObjectName, out uint pdwRegister); void Revoke([In] uint dwRegister); void IsRunning([In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkObjectName); void GetObject([In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkObjectName, [MarshalAs(UnmanagedType.IUnknown)] out object ppunkObject); void NoteChangeTime([In] uint dwRegister, [In] ref _FILETIME pfiletime); void GetTimeOfLastChange([In, MarshalAs(UnmanagedType.Interface)] IMoniker pmkObjectName, out _FILETIME pfiletime); void EnumRunning([MarshalAs(UnmanagedType.Interface)] out IEnumMoniker ppenumMoniker); } [ComImport, Guid("0C733A30-2A1C-11CE-ADE5-00AA0044773D"), InterfaceType((short)1)] public interface ISequentialStream { void RemoteRead(out byte pv, [In] uint cb, out uint pcbRead); void RemoteWrite([In] ref byte pv, [In] uint cb, out uint pcbWritten); } [ComImport, Guid("0000000C-0000-0000-C000-000000000046"), InterfaceType((short)1)] public interface IStream : ISequentialStream { void RemoteSeek([In] _LARGE_INTEGER dlibMove, [In] uint dwOrigin, out _ULARGE_INTEGER plibNewPosition); void SetSize([In] _ULARGE_INTEGER libNewSize); void RemoteCopyTo([In, MarshalAs(UnmanagedType.Interface)] IStream pstm, [In] _ULARGE_INTEGER cb, out _ULARGE_INTEGER pcbRead, out _ULARGE_INTEGER pcbWritten); void Commit([In] uint grfCommitFlags); void Revert(); void LockRegion([In] _ULARGE_INTEGER libOffset, [In] _ULARGE_INTEGER cb, [In] uint dwLockType); void UnlockRegion([In] _ULARGE_INTEGER libOffset, [In] _ULARGE_INTEGER cb, [In] uint dwLockType); void Stat(out tagSTATSTG pstatstg, [In] uint grfStatFlag); void Clone([MarshalAs(UnmanagedType.Interface)] out IStream ppstm); } [ComImport, Guid("0000010D-0000-0000-C000-000000000046"), InterfaceType((short)1), ComConversionLoss] public interface IViewObject { //void Draw([In] uint dwDrawAspect, [In] int lindex, [In] uint pvAspect, [In] IntPtr ptd, [In] uint hdcTargetDev, [In] uint hdcDraw, [In] ref _RECTL lprcBounds, [In] ref _RECTL lprcWBounds, [In, MarshalAs(UnmanagedType.Interface)] IContinue pContinue); void Draw([MarshalAs(UnmanagedType.U4)] UInt32 dwDrawAspect, int lindex, IntPtr pvAspect, [In] IntPtr ptd, IntPtr hdcTargetDev, IntPtr hdcDraw, [MarshalAs(UnmanagedType.Struct)] ref _RECTL lprcBounds, [In] IntPtr lprcWBounds, IntPtr pfnContinue, [MarshalAs(UnmanagedType.U4)] UInt32 dwContinue); void RemoteGetColorSet([In] uint dwDrawAspect, [In] int lindex, [In] uint pvAspect, [In] ref tagDVTARGETDEVICE ptd, [In] uint hicTargetDev, [Out] IntPtr ppColorSet); void RemoteFreeze([In] uint dwDrawAspect, [In] int lindex, [In] uint pvAspect, out uint pdwFreeze); void Unfreeze([In] uint dwFreeze); void SetAdvise([In] uint aspects, [In] uint advf, [In, MarshalAs(UnmanagedType.Interface)] IAdviseSink pAdvSink); void RemoteGetAdvise(out uint pAspects, out uint pAdvf, [MarshalAs(UnmanagedType.Interface)] out IAdviseSink ppAdvSink); } [ComImport, InterfaceType((short)1), Guid("00000127-0000-0000-C000-000000000046")] public interface IViewObject2 : IViewObject { void GetExtent([In] uint dwDrawAspect, [In] int lindex, [In] ref tagDVTARGETDEVICE ptd, out tagSIZEL lpsizel); } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct tagBIND_OPTS2 { public uint cbStruct; public uint grfFlags; public uint grfMode; public uint dwTickCountDeadline; public uint dwTrackFlags; public uint dwClassContext; public uint locale; [ComConversionLoss] public IntPtr pServerInfo; } public enum tagDOCHOSTUIDBLCLK { DOCHOSTUIDBLCLK_DEFAULT, DOCHOSTUIDBLCLK_SHOWPROPERTIES, DOCHOSTUIDBLCLK_SHOWCODE } public enum tagDOCHOSTUIFLAG { DOCHOSTUIFLAG_ACTIVATE_CLIENTHIT_ONLY = 0x200, DOCHOSTUIFLAG_CODEPAGELINKEDFONTS = 0x800, DOCHOSTUIFLAG_DIALOG = 1, DOCHOSTUIFLAG_DISABLE_EDIT_NS_FIXUP = 0x400000, DOCHOSTUIFLAG_DISABLE_HELP_MENU = 2, DOCHOSTUIFLAG_DISABLE_OFFSCREEN = 0x40, DOCHOSTUIFLAG_DISABLE_SCRIPT_INACTIVE = 0x10, DOCHOSTUIFLAG_DISABLE_UNTRUSTEDPROTOCOL = 0x1000000, DOCHOSTUIFLAG_DIV_BLOCKDEFAULT = 0x100, DOCHOSTUIFLAG_ENABLE_FORMS_AUTOCOMPLETE = 0x4000, DOCHOSTUIFLAG_ENABLE_INPLACE_NAVIGATION = 0x10000, DOCHOSTUIFLAG_FLAT_SCROLLBAR = 0x80, DOCHOSTUIFLAG_IME_ENABLE_RECONVERSION = 0x20000, DOCHOSTUIFLAG_LOCAL_MACHINE_ACCESS_CHECK = 0x800000, DOCHOSTUIFLAG_NO3DBORDER = 4, DOCHOSTUIFLAG_NO3DOUTERBORDER = 0x200000, DOCHOSTUIFLAG_NOPICS = 0x100000, DOCHOSTUIFLAG_NOTHEME = 0x80000, DOCHOSTUIFLAG_OPENNEWWIN = 0x20, DOCHOSTUIFLAG_OVERRIDEBEHAVIORFACTORY = 0x400, DOCHOSTUIFLAG_SCROLL_NO = 8, DOCHOSTUIFLAG_THEME = 0x40000, DOCHOSTUIFLAG_URL_ENCODING_DISABLE_UTF8 = 0x1000, DOCHOSTUIFLAG_URL_ENCODING_ENABLE_UTF8 = 0x2000 } public enum tagDOCHOSTUITYPE { DOCHOSTUITYPE_BROWSE, DOCHOSTUITYPE_AUTHOR } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct tagDVTARGETDEVICE { public uint tdSize; public ushort tdDriverNameOffset; public ushort tdDeviceNameOffset; public ushort tdPortNameOffset; public ushort tdExtDevmodeOffset; [ComConversionLoss] public IntPtr tdData; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct tagFORMATETC { [ComConversionLoss] public IntPtr cfFormat; [ComConversionLoss] public IntPtr ptd; public uint dwAspect; public int lindex; public uint tymed; } [StructLayout(LayoutKind.Sequential, Pack = 2), ComConversionLoss] public struct tagLOGPALETTE { public ushort palVersion; public ushort palNumEntries; [ComConversionLoss] public IntPtr palPalEntry; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct tagMSG { [ComConversionLoss] public IntPtr hwnd; public uint message; public uint wParam; public int lParam; public uint time; public tagPOINT pt; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct tagOleMenuGroupWidths { [MarshalAs(UnmanagedType.ByValArray, SizeConst = 6)] public int[] width; } [StructLayout(LayoutKind.Sequential, Pack = 1)] public struct tagPALETTEENTRY { public byte peRed; public byte peGreen; public byte peBlue; public byte peFlags; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct tagPOINT { public int x; public int y; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct tagRECT { public int left; public int top; public int right; public int bottom; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct tagSIZEL { public int cx; public int cy; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct tagSTATDATA { public tagFORMATETC formatetc; public uint advf; [MarshalAs(UnmanagedType.Interface)] public IAdviseSink pAdvSink; public uint dwConnection; } [StructLayout(LayoutKind.Sequential, Pack = 8)] public struct tagSTATSTG { [MarshalAs(UnmanagedType.LPWStr)] public string pwcsName; public uint type; public _ULARGE_INTEGER cbSize; public _FILETIME mtime; public _FILETIME ctime; public _FILETIME atime; public uint grfMode; public uint grfLocksSupported; public Guid clsid; public uint grfStateBits; public uint reserved; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct _BYTE_BLOB { public uint clSize; [ComConversionLoss] public IntPtr abData; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct _COAUTHIDENTITY { [ComConversionLoss] public IntPtr User; public uint UserLength; [ComConversionLoss] public IntPtr Domain; public uint DomainLength; [ComConversionLoss] public IntPtr Password; public uint PasswordLength; public uint Flags; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct _COAUTHINFO { public uint dwAuthnSvc; public uint dwAuthzSvc; [MarshalAs(UnmanagedType.LPWStr)] public string pwszServerPrincName; public uint dwAuthnLevel; public uint dwImpersonationLevel; [ComConversionLoss] public IntPtr pAuthIdentityData; public uint dwCapabilities; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct _COSERVERINFO { public uint dwReserved1; [MarshalAs(UnmanagedType.LPWStr)] public string pwszName; [ComConversionLoss] public IntPtr pAuthInfo; public uint dwReserved2; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct _DOCHOSTUIINFO { public uint cbSize; public uint dwFlags; public uint dwDoubleClick; [ComConversionLoss] public IntPtr pchHostCss; [ComConversionLoss] public IntPtr pchHostNS; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct _FILETIME { public uint dwLowDateTime; public uint dwHighDateTime; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct _FLAGGED_BYTE_BLOB { public uint fFlags; public uint clSize; [ComConversionLoss] public IntPtr abData; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct _GDI_OBJECT { public uint ObjectType; public __MIDL_IAdviseSink_0002 u; } [StructLayout(LayoutKind.Sequential, Pack = 8)] public struct _LARGE_INTEGER { public long QuadPart; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct _POINTL { public int x; public int y; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct _RECTL { public int left; public int top; public int right; public int bottom; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct _RemotableHandle { public int fContext; public __MIDL_IWinTypes_0009 u; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct _remoteMETAFILEPICT { public int mm; public int xExt; public int yExt; [ComConversionLoss] public IntPtr hMF; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct _STGMEDIUM_UNION { public uint tymed; public __MIDL_IAdviseSink_0003 u; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct _tagOLECMD { public uint cmdID; public uint cmdf; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct _tagOLECMDTEXT { public uint cmdtextf; public uint cwActual; public uint cwBuf; [ComConversionLoss] public IntPtr rgwz; } [StructLayout(LayoutKind.Sequential, Pack = 8)] public struct _ULARGE_INTEGER { public ulong QuadPart; } [StructLayout(LayoutKind.Sequential, Pack = 4), ComConversionLoss] public struct _userBITMAP { public int bmType; public int bmWidth; public int bmHeight; public int bmWidthBytes; public ushort bmPlanes; public ushort bmBitsPixel; public uint cbSize; [ComConversionLoss] public IntPtr pBuffer; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct _userCLIPFORMAT { public int fContext; public __MIDL_IWinTypes_0001 u; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct _userFLAG_STGMEDIUM { public int ContextFlags; public int fPassOwnership; public _userSTGMEDIUM Stgmed; } [StructLayout(LayoutKind.Sequential, Pack = 8)] public struct _userHBITMAP { public int fContext; public __MIDL_IWinTypes_0007 u; } [StructLayout(LayoutKind.Sequential, Pack = 8)] public struct _userHENHMETAFILE { public int fContext; public __MIDL_IWinTypes_0006 u; } [StructLayout(LayoutKind.Sequential, Pack = 8)] public struct _userHGLOBAL { public int fContext; public __MIDL_IWinTypes_0003 u; } [StructLayout(LayoutKind.Sequential, Pack = 8)] public struct _userHMETAFILE { public int fContext; public __MIDL_IWinTypes_0004 u; } [StructLayout(LayoutKind.Sequential, Pack = 8)] public struct _userHMETAFILEPICT { public int fContext; public __MIDL_IWinTypes_0005 u; } [StructLayout(LayoutKind.Sequential, Pack = 8)] public struct _userHPALETTE { public int fContext; public __MIDL_IWinTypes_0008 u; } [StructLayout(LayoutKind.Sequential, Pack = 4)] public struct _userSTGMEDIUM { public _STGMEDIUM_UNION __MIDL_0003; [MarshalAs(UnmanagedType.IUnknown)] public object pUnkForRelease; } [StructLayout(LayoutKind.Explicit, Size = 4, Pack = 4)] public struct __MIDL_IAdviseSink_0002 { } [StructLayout(LayoutKind.Explicit, Size = 4, Pack = 4)] public struct __MIDL_IAdviseSink_0003 { } [StructLayout(LayoutKind.Explicit, Size = 4, Pack = 4)] public struct __MIDL_IWinTypes_0001 { } [StructLayout(LayoutKind.Explicit, Size = 8, Pack = 8)] public struct __MIDL_IWinTypes_0003 { } [StructLayout(LayoutKind.Explicit, Size = 8, Pack = 8)] public struct __MIDL_IWinTypes_0004 { } [StructLayout(LayoutKind.Explicit, Size = 8, Pack = 8)] public struct __MIDL_IWinTypes_0005 { } [StructLayout(LayoutKind.Explicit, Size = 8, Pack = 8)] public struct __MIDL_IWinTypes_0006 { } [StructLayout(LayoutKind.Explicit, Size = 8, Pack = 8)] public struct __MIDL_IWinTypes_0007 { } [StructLayout(LayoutKind.Explicit, Size = 8, Pack = 8)] public struct __MIDL_IWinTypes_0008 { } [StructLayout(LayoutKind.Explicit, Pack = 4)] public struct __MIDL_IWinTypes_0009 { [FieldOffset(0)] public int hInproc; [FieldOffset(0)] public int hRemote; } class IECaptUIHandler : IDocHostUIHandler { public uint ShowContextMenu(uint dwID, ref tagPOINT ppt, object pcmdtReserved, object pdispReserved) { return 1; } public void GetHostInfo(ref _DOCHOSTUIINFO pInfo) { pInfo.cbSize = (uint)Marshal.SizeOf(pInfo); pInfo.dwDoubleClick = 0; pInfo.pchHostCss = (IntPtr)0; pInfo.pchHostNS = (IntPtr)0; pInfo.dwFlags = (uint)(0 | tagDOCHOSTUIFLAG.DOCHOSTUIFLAG_SCROLL_NO | tagDOCHOSTUIFLAG.DOCHOSTUIFLAG_NO3DBORDER | tagDOCHOSTUIFLAG.DOCHOSTUIFLAG_NO3DOUTERBORDER ); } public uint ShowUI(uint dwID, IOleInPlaceActiveObject pActiveObject, IOleCommandTarget pCommandTarget, IOleInPlaceFrame pFrame, IOleInPlaceUIWindow pDoc) { return 1; } public void HideUI() { throw new NotImplementedException(); } public void UpdateUI() { throw new NotImplementedException(); } public void EnableModeless(int fEnable) { throw new NotImplementedException(); } public void OnDocWindowActivate(int fActivate) { throw new NotImplementedException(); } public void OnFrameWindowActivate(int fActivate) { throw new NotImplementedException(); } public void ResizeBorder(ref tagRECT prcBorder, IOleInPlaceUIWindow pUIWindow, int fRameWindow) { throw new NotImplementedException(); } public void TranslateAccelerator(ref tagMSG lpmsg, ref Guid pguidCmdGroup, uint nCmdID) { throw new NotImplementedException(); } public void GetOptionKeyPath(out string pchKey, uint dw) { pchKey = null; throw new NotImplementedException(); } public void GetDropTarget(IDropTarget pDropTarget, out IDropTarget ppDropTarget) { ppDropTarget = null; throw new NotImplementedException(); } public void GetExternal(out object ppDispatch) { ppDispatch = null; throw new NotImplementedException(); } public uint TranslateUrl(uint dwTranslate, string pchURLIn, ref string ppchURLOut) { return 1; } public uint FilterDataObject(IDataObject pDO, out IDataObject ppDORet) { ppDORet = null; return 1; } } public class IECaptForm : Form { private string mURL; private string mFile; private int mMinWidth; private AxWebBrowser mWb; public Timer mTimer = new Timer(); public IECaptForm(string url, string file, int minWidth, int delay, AxWebBrowser wb) { mURL = url; mFile = file; mMinWidth = minWidth; mTimer.Interval = delay; mTimer.Tick += new EventHandler(mTimer_Tick); mWb = wb; } private void mTimer_Tick(object sender, EventArgs e) { mTimer.Stop(); try { DoCapture(); } catch (Exception ex) { throw new Exception(ex.Message); } mWb.Dispose(); Application.Exit(); } public void DoCapture() { IHTMLDocument2 doc2 = (IHTMLDocument2)mWb.Document; IHTMLDocument3 doc3 = (IHTMLDocument3)mWb.Document; IHTMLElement2 body2 = (IHTMLElement2)doc2.body; IHTMLElement2 root2 = (IHTMLElement2)doc3.documentElement; // Determine dimensions for the image; we could add minWidth here // to ensure that we get closer to the minimal width (the width // computed might be a few pixels less than what we want). int width = Math.Max(body2.scrollWidth, root2.scrollWidth); int height = Math.Max(root2.scrollHeight, body2.scrollHeight); // Resize the web browser control mWb.SetBounds(0, 0, width, height); // Do it a second time; in some cases the initial values are // off by quite a lot, for as yet unknown reasons. We could // also do this in a loop until the values stop changing with // some additional terminating condition like n attempts. width = Math.Max(body2.scrollWidth, root2.scrollWidth); height = Math.Max(root2.scrollHeight, body2.scrollHeight); mWb.SetBounds(0, 0, width, height); Bitmap image = new Bitmap(width, height); Graphics g = Graphics.FromImage(image); _RECTL bounds; bounds.left = 0; bounds.top = 0; bounds.right = width; bounds.bottom = height; IntPtr hdc = g.GetHdc(); IViewObject iv = doc2 as IViewObject; // TODO: Write to Metafile instead if requested. iv.Draw(1, -1, (IntPtr)0, (IntPtr)0, (IntPtr)0, (IntPtr)hdc, ref bounds, (IntPtr)0, (IntPtr)0, 0); g.ReleaseHdc(hdc); image.Save(mFile); image.Dispose(); } } public class IECapt { static void PrintUsage() { throw new Exception("invalid usage"); } public void start(string uri, string path) { string URL = uri; string file = path; int minWidth = 800; int delay = 1; if (delay < 1 || URL == null || file == null) { PrintUsage(); return; } AxWebBrowser wb = new AxWebBrowser(); Form main = new IECaptForm(URL, file, minWidth, delay, wb); wb.BeginInit(); wb.Parent = main; wb.EndInit(); // Set the initial dimensions of the browser's client area. wb.SetBounds(0, 0, minWidth, 600); object oBlank = "about:blank"; object oURL = URL; object oNull = String.Empty; // Internet Explorer should show no dialog boxes; this does not dis- // able script debugging however, I am not aware of a method to dis- // able that, other than manual configuration in he Internet Settings // or perhaps the registry. wb.Silent = true; // The custom UI handler can only be registered on a document, so we // navigate to about:blank as a first step, then register the handler. wb.Navigate2(ref oBlank, ref oNull, ref oNull, ref oNull, ref oNull); ICustomDoc cdoc = wb.Document as ICustomDoc; cdoc.SetUIHandler(new IECaptUIHandler()); // Register a document complete handler. It will be called whenever a // document completes loading, including embedded documents and the // initial about:blank document. wb.DocumentComplete += new DWebBrowserEvents2_DocumentCompleteEventHandler(IE_DocumentComplete); // Register an error handler. If the main document cannot be loaded, // the document complete event will not fire, so we have to listen to // this and shut the application down in case of a fatal error. wb.NavigateError += new DWebBrowserEvents2_NavigateErrorEventHandler(IE_NavigateError); // Now navigate to the final destination. wb.Navigate2(ref oURL, ref oNull, ref oNull, ref oNull, ref oNull); Application.Run(); } public void killme() { } private static void IE_DocumentComplete(object sender, DWebBrowserEvents2_DocumentCompleteEvent e) { AxWebBrowser wb = (AxWebBrowser)sender; IECaptForm main = (IECaptForm)wb.Parent; // Skip document complete event for embedded frames. if (wb.Application != e.pDisp) return; // Skip the initial about:blank document; this is not necessarily // the best thing to do, e.g. if the requested page is about:blank // or redirects to it, we might never exit. This could be avoided // by remembering whether we saw the first document complete event. if (e.uRL.Equals("about:blank")) return; main.mTimer.Start(); } private static void IE_NavigateError(object sender, DWebBrowserEvents2_NavigateErrorEvent e) { AxWebBrowser wb = (AxWebBrowser)sender; IECaptForm main = (IECaptForm)wb.Parent; // Ignore errors for embedded documents if (wb.Application != e.pDisp) return; // If we get here, the main document cannot be navigated // to meaning there is nothing to draw, so we just croak. throw new Exception("Failed to navigate to" + e.uRL + " " + e.statusCode); wb.Dispose(); Application.Exit(); } }
