100分请教一个调用接口的菜鸟问题,在线等 ( 积分: 100 )

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找到一个封装了mlang.dll的unit,代码如下,需要的接口都已经定义,现在的问题是,不知道如何调用?
unit MultiLanguage_TLB;

// ************************************************************************ //
// WARNING
// -------
// The types declared in this file were generated from data read from a
// Type Library. If this type library is explicitly or indirectly (via
// another type library referring to this type library) re-imported, or the
// 'Refresh' command of the Type Library Editor activated while editing the
// Type Library, the contents of this file will be regenerated and all
// manual modifications will be lost.
// ************************************************************************ //

// PASTLWTR : 1.2
// File generated on 16/12/2002 13:07:40 from Type Library described below.

// ************************************************************************ //
// Type Lib: mlang.tlb (1)
// LIBID: {275C23E0-3747-11D0-9FEA-00AA003F8646}
// LCID: 0
// Helpfile:
// HelpString: MultiLanguage Object Model
// DepndLst:
// (1) v2.0 stdole, (C:/WINNT/System32/stdole2.tlb)
// Errors:
// Hint: Symbol 'type' renamed to 'type_'
// Hint: Symbol 'type' renamed to 'type_'
// ************************************************************************ //
{$TYPEDADDRESS OFF} // Unit must be compiled without type-checked pointers.
{$WARN SYMBOL_PLATFORM OFF}
{$WRITEABLECONST ON}
{$VARPROPSETTER ON}
interface

uses Windows, ActiveX, Classes, Graphics, OleServer, StdVCL, Variants;


// *********************************************************************//
// GUIDS declared in the TypeLibrary. Following prefixes are used:
// Type Libraries : LIBID_xxxx
// CoClasses : CLASS_xxxx
// DISPInterfaces : DIID_xxxx
// Non-DISP interfaces: IID_xxxx
// *********************************************************************//
const
// TypeLibrary Major and minor versions
MultiLanguageMajorVersion = 0;
MultiLanguageMinorVersion = 2;

LIBID_MultiLanguage: TGUID = '{275C23E0-3747-11D0-9FEA-00AA003F8646}';

IID_IMLangStringBufW: TGUID = '{D24ACD21-BA72-11D0-B188-00AA0038C969}';
IID_IMLangStringBufA: TGUID = '{D24ACD23-BA72-11D0-B188-00AA0038C969}';
IID_IMLangString: TGUID = '{C04D65CE-B70D-11D0-B188-00AA0038C969}';
IID_IMLangStringWStr: TGUID = '{C04D65D0-B70D-11D0-B188-00AA0038C969}';
IID_IMLangStringAStr: TGUID = '{C04D65D2-B70D-11D0-B188-00AA0038C969}';
CLASS_CMLangString: TGUID = '{C04D65CF-B70D-11D0-B188-00AA0038C969}';
IID_IMLangLineBreakConsole: TGUID = '{F5BE2EE1-BFD7-11D0-B188-00AA0038C969}';
IID_IEnumCodePage: TGUID = '{275C23E3-3747-11D0-9FEA-00AA003F8646}';
IID_IEnumRfc1766: TGUID = '{3DC39D1D-C030-11D0-B81B-00C04FC9B31F}';
IID_IEnumScript: TGUID = '{AE5F1430-388B-11D2-8380-00C04F8F5DA1}';
IID_IMLangConvertCharset: TGUID = '{D66D6F98-CDAA-11D0-B822-00C04FC9B31F}';
CLASS_CMLangConvertCharset: TGUID = '{D66D6F99-CDAA-11D0-B822-00C04FC9B31F}';
IID_IMultiLanguage: TGUID = '{275C23E1-3747-11D0-9FEA-00AA003F8646}';
IID_IMultiLanguage2: TGUID = '{DCCFC164-2B38-11D2-B7EC-00C04F8F5D9A}';
IID_ISequentialStream: TGUID = '{0C733A30-2A1C-11CE-ADE5-00AA0044773D}';
IID_IStream: TGUID = '{0000000C-0000-0000-C000-000000000046}';
IID_IMLangCodePages: TGUID = '{359F3443-BD4A-11D0-B188-00AA0038C969}';
IID_IMLangFontLink: TGUID = '{359F3441-BD4A-11D0-B188-00AA0038C969}';
IID_IMLangFontLink2: TGUID = '{DCCFC162-2B38-11D2-B7EC-00C04F8F5D9A}';
IID_IMultiLanguage3: TGUID = '{4E5868AB-B157-4623-9ACC-6A1D9CAEBE04}';
CLASS_CMultiLanguage: TGUID = '{275C23E2-3747-11D0-9FEA-00AA003F8646}';

// *********************************************************************//
// Declaration of Enumerations defined in Type Library
// *********************************************************************//
// Constants for enum tagMLSTR_FLAGS
type
tagMLSTR_FLAGS = TOleEnum;
const
MLSTR_READ = $00000001;
MLSTR_WRITE = $00000002;

// Constants for enum tagMIMECONTF
type
tagMIMECONTF = TOleEnum;
const
MIMECONTF_MAILNEWS = $00000001;
MIMECONTF_BROWSER = $00000002;
MIMECONTF_MINIMAL = $00000004;
MIMECONTF_IMPORT = $00000008;
MIMECONTF_SAVABLE_MAILNEWS = $00000100;
MIMECONTF_SAVABLE_BROWSER = $00000200;
MIMECONTF_EXPORT = $00000400;
MIMECONTF_PRIVCONVERTER = $00010000;
MIMECONTF_VALID = $00020000;
MIMECONTF_VALID_NLS = $00040000;
MIMECONTF_MIME_IE4 = $10000000;
MIMECONTF_MIME_LATEST = $20000000;
MIMECONTF_MIME_REGISTRY = $40000000;

type

// *********************************************************************//
// Forward declaration of types defined in TypeLibrary
// *********************************************************************//
IMLangStringBufW = interface;
IMLangStringBufA = interface;
IMLangString = interface;
IMLangStringWStr = interface;
IMLangStringAStr = interface;
IMLangLineBreakConsole = interface;
IEnumCodePage = interface;
IEnumRfc1766 = interface;
IEnumScript = interface;
IMLangConvertCharset = interface;
IMultiLanguage = interface;
IMultiLanguage2 = interface;
ISequentialStream = interface;
IStream = interface;
IMLangCodePages = interface;
IMLangFontLink = interface;
IMLangFontLink2 = interface;
IMultiLanguage3 = interface;

// *********************************************************************//
// Declaration of CoClasses defined in Type Library
// (NOTE: Here we map each CoClass to its Default Interface)
// *********************************************************************//
CMLangString = IMLangString;
CMLangConvertCharset = IMLangConvertCharset;
CMultiLanguage = IMultiLanguage;


// *********************************************************************//
// Declaration of structures, unions and aliases.
// *********************************************************************//
wireHWND = ^_RemotableHandle;
wireHDC = ^_RemotableHandle;
wireHFONT = ^_RemotableHandle;
PSmallint1 = ^Smallint; {*}
PShortint1 = ^Shortint; {*}
PUserType1 = ^TGUID; {*}
PByte1 = ^Byte; {*}
PSYSUINT1 = ^SYSUINT; {*}

tagMIMECPINFO = packed record
dwFlags: LongWord;
uiCodePage: SYSUINT;
uiFamilyCodePage: SYSUINT;
wszDescription: array[0..63] of WideChar;
wszWebCharset: array[0..49] of WideChar;
wszHeaderCharset: array[0..49] of WideChar;
wszBodyCharset: array[0..49] of WideChar;
wszFixedWidthFont: array[0..31] of WideChar;
wszProportionalFont: array[0..31] of WideChar;
bGDICharset: Byte;
padding : array [0..2] of byte;
end;

tagRFC1766INFO = packed record
lcid: LongWord;
wszRfc1766: array[0..5] of WideChar;
wszLocaleName: array[0..31] of WideChar;
end;

tagSCRIPTINFO = packed record
ScriptId: Byte;
uiCodePage: SYSUINT;
wszDescription: array[0..47] of WideChar;
wszFixedWidthFont: array[0..31] of WideChar;
wszProportionalFont: array[0..31] of WideChar;
end;

tagMIMECSETINFO = packed record
uiCodePage: SYSUINT;
uiInternetEncoding: SYSUINT;
wszCharset: array[0..49] of WideChar;
end;

_LARGE_INTEGER = packed record
QuadPart: Int64;
end;

_ULARGE_INTEGER = packed record
QuadPart: Largeuint;
end;

_FILETIME = packed record
dwLowDateTime: LongWord;
dwHighDateTime: LongWord;
end;

tagSTATSTG = packed record
pwcsName: PWideChar;
type_: LongWord;
cbSize: _ULARGE_INTEGER;
mtime: _FILETIME;
ctime: _FILETIME;
atime: _FILETIME;
grfMode: LongWord;
grfLocksSupported: LongWord;
clsid: TGUID;
grfStateBits: LongWord;
reserved: LongWord;
end;

tagDetectEncodingInfo = packed record
nLangID: SYSUINT;
nCodePage: SYSUINT;
nDocPercent: SYSINT;
nConfidence: SYSINT;
end;


__MIDL_IWinTypes_0009 = record
case Integer of
0: (hInproc: Integer);
1: (hRemote: Integer);
end;

_RemotableHandle = packed record
fContext: Integer;
u: __MIDL_IWinTypes_0009;
end;


tagUNICODERANGE = packed record
wcFrom: Smallint;
wcTo: Smallint;
end;

tagSCRIPFONTINFO = packed record
scripts: Int64;
wszFont: array[0..31] of WideChar;
end;


// *********************************************************************//
// Interface: IMLangStringBufW
// Flags: (0)
// GUID: {D24ACD21-BA72-11D0-B188-00AA0038C969}
// *********************************************************************//
IMLangStringBufW = interface(IUnknown)
['{D24ACD21-BA72-11D0-B188-00AA0038C969}']
function GetStatus(out plFlags: Integer; out pcchBuf: Integer): HResult; stdcall;
function LockBuf(cchOffset: Integer; cchMaxLock: Integer; out ppszBuf: PSmallint1;
out pcchBuf: Integer): HResult; stdcall;
function UnlockBuf(var pszBuf: Smallint; cchOffset: Integer; cchWrite: Integer): HResult; stdcall;
function Insert(cchOffset: Integer; cchMaxInsert: Integer; out pcchActual: Integer): HResult; stdcall;
function Delete(cchOffset: Integer; cchDelete: Integer): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMLangStringBufA
// Flags: (0)
// GUID: {D24ACD23-BA72-11D0-B188-00AA0038C969}
// *********************************************************************//
IMLangStringBufA = interface(IUnknown)
['{D24ACD23-BA72-11D0-B188-00AA0038C969}']
function GetStatus(out plFlags: Integer; out pcchBuf: Integer): HResult; stdcall;
function LockBuf(cchOffset: Integer; cchMaxLock: Integer; out ppszBuf: PShortint1;
out pcchBuf: Integer): HResult; stdcall;
function UnlockBuf(var pszBuf: Shortint; cchOffset: Integer; cchWrite: Integer): HResult; stdcall;
function Insert(cchOffset: Integer; cchMaxInsert: Integer; out pcchActual: Integer): HResult; stdcall;
function Delete(cchOffset: Integer; cchDelete: Integer): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMLangString
// Flags: (0)
// GUID: {C04D65CE-B70D-11D0-B188-00AA0038C969}
// *********************************************************************//
IMLangString = interface(IUnknown)
['{C04D65CE-B70D-11D0-B188-00AA0038C969}']
function Sync(fNoAccess: Integer): HResult; stdcall;
function GetLength(out plLen: Integer): HResult; stdcall;
function SetMLStr(lDestPos: Integer; lDestLen: Integer; const pSrcMLStr: IUnknown;
lSrcPos: Integer; lSrcLen: Integer): HResult; stdcall;
function GetMLStr(lSrcPos: Integer; lSrcLen: Integer; const pUnkOuter: IUnknown;
dwClsContext: LongWord; var piid: TGUID; out ppDestMLStr: IUnknown;
out plDestPos: Integer; out plDestLen: Integer): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMLangStringWStr
// Flags: (0)
// GUID: {C04D65D0-B70D-11D0-B188-00AA0038C969}
// *********************************************************************//
IMLangStringWStr = interface(IMLangString)
['{C04D65D0-B70D-11D0-B188-00AA0038C969}']
function SetWStr(lDestPos: Integer; lDestLen: Integer; var pszSrc: Smallint; cchSrc: Integer;
out pcchActual: Integer; out plActualLen: Integer): HResult; stdcall;
function SetStrBufW(lDestPos: Integer; lDestLen: Integer; const pSrcBuf: IMLangStringBufW;
out pcchActual: Integer; out plActualLen: Integer): HResult; stdcall;
function GetWStr(lSrcPos: Integer; lSrcLen: Integer; out pszDest: Smallint; cchDest: Integer;
out pcchActual: Integer; out plActualLen: Integer): HResult; stdcall;
function GetStrBufW(lSrcPos: Integer; lSrcMaxLen: Integer; out ppDestBuf: IMLangStringBufW;
out plDestLen: Integer): HResult; stdcall;
function LockWStr(lSrcPos: Integer; lSrcLen: Integer; lFlags: Integer; cchRequest: Integer;
out ppszDest: PSmallint1; out pcchDest: Integer; out plDestLen: Integer): HResult; stdcall;
function UnlockWStr(var pszSrc: Smallint; cchSrc: Integer; out pcchActual: Integer;
out plActualLen: Integer): HResult; stdcall;
function SetLocale(lDestPos: Integer; lDestLen: Integer; locale: LongWord): HResult; stdcall;
function GetLocale(lSrcPos: Integer; lSrcMaxLen: Integer; out plocale: LongWord;
out plLocalePos: Integer; out plLocaleLen: Integer): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMLangStringAStr
// Flags: (0)
// GUID: {C04D65D2-B70D-11D0-B188-00AA0038C969}
// *********************************************************************//
IMLangStringAStr = interface(IMLangString)
['{C04D65D2-B70D-11D0-B188-00AA0038C969}']
function SetAStr(lDestPos: Integer; lDestLen: Integer; uCodePage: SYSUINT;
var pszSrc: Shortint; cchSrc: Integer; out pcchActual: Integer;
out plActualLen: Integer): HResult; stdcall;
function SetStrBufA(lDestPos: Integer; lDestLen: Integer; uCodePage: SYSUINT;
const pSrcBuf: IMLangStringBufA; out pcchActual: Integer;
out plActualLen: Integer): HResult; stdcall;
function GetAStr(lSrcPos: Integer; lSrcLen: Integer; uCodePageIn: SYSUINT;
out puCodePageOut: SYSUINT; out pszDest: Shortint; cchDest: Integer;
out pcchActual: Integer; out plActualLen: Integer): HResult; stdcall;
function GetStrBufA(lSrcPos: Integer; lSrcMaxLen: Integer; out puDestCodePage: SYSUINT;
out ppDestBuf: IMLangStringBufA; out plDestLen: Integer): HResult; stdcall;
function LockAStr(lSrcPos: Integer; lSrcLen: Integer; lFlags: Integer; uCodePageIn: SYSUINT;
cchRequest: Integer; out puCodePageOut: SYSUINT; out ppszDest: PShortint1;
out pcchDest: Integer; out plDestLen: Integer): HResult; stdcall;
function UnlockAStr(var pszSrc: Shortint; cchSrc: Integer; out pcchActual: Integer;
out plActualLen: Integer): HResult; stdcall;
function SetLocale(lDestPos: Integer; lDestLen: Integer; locale: LongWord): HResult; stdcall;
function GetLocale(lSrcPos: Integer; lSrcMaxLen: Integer; out plocale: LongWord;
out plLocalePos: Integer; out plLocaleLen: Integer): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMLangLineBreakConsole
// Flags: (0)
// GUID: {F5BE2EE1-BFD7-11D0-B188-00AA0038C969}
// *********************************************************************//
IMLangLineBreakConsole = interface(IUnknown)
['{F5BE2EE1-BFD7-11D0-B188-00AA0038C969}']
function BreakLineML(const pSrcMLStr: IMLangString; lSrcPos: Integer; lSrcLen: Integer;
cMinColumns: Integer; cMaxColumns: Integer; out plLineLen: Integer;
out plSkipLen: Integer): HResult; stdcall;
function BreakLineW(locale: LongWord; var pszSrc: Smallint; cchSrc: Integer;
cMaxColumns: Integer; out pcchLine: Integer; out pcchSkip: Integer): HResult; stdcall;
function BreakLineA(locale: LongWord; uCodePage: SYSUINT; var pszSrc: Shortint;
cchSrc: Integer; cMaxColumns: Integer; out pcchLine: Integer;
out pcchSkip: Integer): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IEnumCodePage
// Flags: (0)
// GUID: {275C23E3-3747-11D0-9FEA-00AA003F8646}
// *********************************************************************//
IEnumCodePage = interface(IUnknown)
['{275C23E3-3747-11D0-9FEA-00AA003F8646}']
function Clone(out ppEnum: IEnumCodePage): HResult; stdcall;
function Next(celt: LongWord; out rgelt: tagMIMECPINFO; out pceltFetched: LongWord): HResult; stdcall;
function Reset: HResult; stdcall;
function Skip(celt: LongWord): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IEnumRfc1766
// Flags: (0)
// GUID: {3DC39D1D-C030-11D0-B81B-00C04FC9B31F}
// *********************************************************************//
IEnumRfc1766 = interface(IUnknown)
['{3DC39D1D-C030-11D0-B81B-00C04FC9B31F}']
function Clone(out ppEnum: IEnumRfc1766): HResult; stdcall;
function Next(celt: LongWord; out rgelt: tagRFC1766INFO; out pceltFetched: LongWord): HResult; stdcall;
function Reset: HResult; stdcall;
function Skip(celt: LongWord): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IEnumScript
// Flags: (0)
// GUID: {AE5F1430-388B-11D2-8380-00C04F8F5DA1}
// *********************************************************************//
IEnumScript = interface(IUnknown)
['{AE5F1430-388B-11D2-8380-00C04F8F5DA1}']
function Clone(out ppEnum: IEnumScript): HResult; stdcall;
function Next(celt: LongWord; out rgelt: tagSCRIPTINFO; out pceltFetched: LongWord): HResult; stdcall;
function Reset: HResult; stdcall;
function Skip(celt: LongWord): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMLangConvertCharset
// Flags: (0)
// GUID: {D66D6F98-CDAA-11D0-B822-00C04FC9B31F}
// *********************************************************************//
IMLangConvertCharset = interface(IUnknown)
['{D66D6F98-CDAA-11D0-B822-00C04FC9B31F}']
function Initialize(uiSrcCodePage: SYSUINT; uiDstCodePage: SYSUINT; dwProperty: LongWord): HResult; stdcall;
function GetSourceCodePage(out puiSrcCodePage: SYSUINT): HResult; stdcall;
function GetDestinationCodePage(out puiDstCodePage: SYSUINT): HResult; stdcall;
function GetProperty(out pdwProperty: LongWord): HResult; stdcall;
function DoConversion(var pSrcStr: Byte; var pcSrcSize: SYSUINT; var pDstStr: Byte;
var pcDstSize: SYSUINT): HResult; stdcall;
function DoConversionToUnicode(var pSrcStr: Shortint; var pcSrcSize: SYSUINT;
var pDstStr: Smallint; var pcDstSize: SYSUINT): HResult; stdcall;
function DoConversionFromUnicode(var pSrcStr: Smallint; var pcSrcSize: SYSUINT;
var pDstStr: Shortint; var pcDstSize: SYSUINT): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMultiLanguage
// Flags: (0)
// GUID: {275C23E1-3747-11D0-9FEA-00AA003F8646}
// *********************************************************************//
IMultiLanguage = interface(IUnknown)
['{275C23E1-3747-11D0-9FEA-00AA003F8646}']
function GetNumberOfCodePageInfo(out pcCodePage: SYSUINT): HResult; stdcall;
function GetCodePageInfo(uiCodePage: SYSUINT; out pCodePageInfo: tagMIMECPINFO): HResult; stdcall;
function GetFamilyCodePage(uiCodePage: SYSUINT; out puiFamilyCodePage: SYSUINT): HResult; stdcall;
function EnumCodePages(grfFlags: LongWord; out ppEnumCodePage: IEnumCodePage): HResult; stdcall;
function GetCharsetInfo(const Charset: WideString; out pCharsetInfo: tagMIMECSETINFO): HResult; stdcall;
function IsConvertible(dwSrcEncoding: LongWord; dwDstEncoding: LongWord): HResult; stdcall;
function ConvertString(var pdwMode: LongWord; dwSrcEncoding: LongWord; dwDstEncoding: LongWord;
pSrcStr: PChar; var pcSrcSize: SYSUINT; pDstStr: PChar;
var pcDstSize: SYSUINT): HResult; stdcall;
function ConvertStringToUnicode(var pdwMode: LongWord; dwEncoding: LongWord;
pSrcStr: PChar; var pcSrcSize: SYSUINT;
pDstStr: PWideChar; var pcDstSize: SYSUINT): HResult; stdcall;
function ConvertStringFromUnicode(var pdwMode: LongWord; dwEncoding: LongWord;
pSrcStr: PWideChar; var pcSrcSize: SYSUINT;
pDstStr: PChar; var pcDstSize: SYSUINT): HResult; stdcall;
function ConvertStringReset: HResult; stdcall;
function GetRfc1766FromLcid(locale: LongWord; out pbstrRfc1766: WideString): HResult; stdcall;
function GetLcidFromRfc1766(out plocale: LongWord; const bstrRfc1766: WideString): HResult; stdcall;
function EnumRfc1766(out ppEnumRfc1766: IEnumRfc1766): HResult; stdcall;
function GetRfc1766Info(locale: LongWord; out pRfc1766Info: tagRFC1766INFO): HResult; stdcall;
function CreateConvertCharset(uiSrcCodePage: SYSUINT; uiDstCodePage: SYSUINT;
dwProperty: LongWord;
out ppMLangConvertCharset: IMLangConvertCharset): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMultiLanguage2
// Flags: (0)
// GUID: {DCCFC164-2B38-11D2-B7EC-00C04F8F5D9A}
// *********************************************************************//
IMultiLanguage2 = interface(IUnknown)
['{DCCFC164-2B38-11D2-B7EC-00C04F8F5D9A}']
function GetNumberOfCodePageInfo(out pcCodePage: SYSUINT): HResult; stdcall;
function GetCodePageInfo(uiCodePage: SYSUINT; LangId: Word; out pCodePageInfo: tagMIMECPINFO): HResult; stdcall;
function GetFamilyCodePage(uiCodePage: SYSUINT; out puiFamilyCodePage: SYSUINT): HResult; stdcall;
function EnumCodePages(grfFlags: LongWord; LangId: Word; out ppEnumCodePage: IEnumCodePage): HResult; stdcall;
function GetCharsetInfo(const Charset: WideString; out pCharsetInfo: tagMIMECSETINFO): HResult; stdcall;
function IsConvertible(dwSrcEncoding: LongWord; dwDstEncoding: LongWord): HResult; stdcall;
function ConvertString(var pdwMode: LongWord; dwSrcEncoding: LongWord; dwDstEncoding: LongWord;
var pSrcStr: Byte; var pcSrcSize: SYSUINT; var pDstStr: Byte;
var pcDstSize: SYSUINT): HResult; stdcall;
function ConvertStringToUnicode(var pdwMode: LongWord; dwEncoding: LongWord;
var pSrcStr: Shortint; var pcSrcSize: SYSUINT;
var pDstStr: Smallint; var pcDstSize: SYSUINT): HResult; stdcall;
function ConvertStringFromUnicode(var pdwMode: LongWord; dwEncoding: LongWord;
var pSrcStr: Smallint; var pcSrcSize: SYSUINT;
var pDstStr: Shortint; var pcDstSize: SYSUINT): HResult; stdcall;
function ConvertStringReset: HResult; stdcall;
function GetRfc1766FromLcid(locale: LongWord; out pbstrRfc1766: WideString): HResult; stdcall;
function GetLcidFromRfc1766(out plocale: LongWord; const bstrRfc1766: WideString): HResult; stdcall;
function EnumRfc1766(LangId: Word; out ppEnumRfc1766: IEnumRfc1766): HResult; stdcall;
function GetRfc1766Info(locale: LongWord; LangId: Word; out pRfc1766Info: tagRFC1766INFO): HResult; stdcall;
function CreateConvertCharset(uiSrcCodePage: SYSUINT; uiDstCodePage: SYSUINT;
dwProperty: LongWord;
out ppMLangConvertCharset: IMLangConvertCharset): HResult; stdcall;
function ConvertStringInIStream(var pdwMode: LongWord; dwFlag: LongWord;
var lpFallBack: Smallint; dwSrcEncoding: LongWord;
dwDstEncoding: LongWord; const pstmIn: IStream;
const pstmOut: IStream): HResult; stdcall;
function ConvertStringToUnicodeEx(var pdwMode: LongWord; dwEncoding: LongWord;
var pSrcStr: Shortint; var pcSrcSize: SYSUINT;
var pDstStr: Smallint; var pcDstSize: SYSUINT;
dwFlag: LongWord; var lpFallBack: Smallint): HResult; stdcall;
function ConvertStringFromUnicodeEx(var pdwMode: LongWord; dwEncoding: LongWord;
var pSrcStr: Smallint; var pcSrcSize: SYSUINT;
var pDstStr: Shortint; var pcDstSize: SYSUINT;
dwFlag: LongWord; var lpFallBack: Smallint): HResult; stdcall;
function DetectCodepageInIStream(dwFlag: LongWord; dwPrefWinCodePage: LongWord;
const pstmIn: IStream; var lpEncoding: tagDetectEncodingInfo;
var pnScores: SYSINT): HResult; stdcall;
function DetectInputCodepage(dwFlag: LongWord; dwPrefWinCodePage: LongWord;
var pSrcStr: Shortint; var pcSrcSize: SYSINT;
var lpEncoding: tagDetectEncodingInfo; var pnScores: SYSINT): HResult; stdcall;
function ValidateCodePage(uiCodePage: SYSUINT; var hwnd: _RemotableHandle): HResult; stdcall;
function GetCodePageDescription(uiCodePage: SYSUINT; lcid: LongWord; lpWideCharStr: PWideChar;
cchWideChar: SYSINT): HResult; stdcall;
function IsCodePageInstallable(uiCodePage: SYSUINT): HResult; stdcall;
function SetMimeDBSource(dwSource: tagMIMECONTF): HResult; stdcall;
function GetNumberOfScripts(out pnScripts: SYSUINT): HResult; stdcall;
function EnumScripts(dwFlags: LongWord; LangId: Word; out ppEnumScript: IEnumScript): HResult; stdcall;
function ValidateCodePageEx(uiCodePage: SYSUINT; var hwnd: _RemotableHandle;
dwfIODControl: LongWord): HResult; stdcall;
end;

// *********************************************************************//
// Interface: ISequentialStream
// Flags: (0)
// GUID: {0C733A30-2A1C-11CE-ADE5-00AA0044773D}
// *********************************************************************//
ISequentialStream = interface(IUnknown)
['{0C733A30-2A1C-11CE-ADE5-00AA0044773D}']
function RemoteRead(out pv: Byte; cb: LongWord; out pcbRead: LongWord): HResult; stdcall;
function RemoteWrite(var pv: Byte; cb: LongWord; out pcbWritten: LongWord): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IStream
// Flags: (0)
// GUID: {0000000C-0000-0000-C000-000000000046}
// *********************************************************************//
IStream = interface(ISequentialStream)
['{0000000C-0000-0000-C000-000000000046}']
function GhostMethod_IStream_0_1: HResult; stdcall;
function GhostMethod_IStream_4_2: HResult; stdcall;
function GhostMethod_IStream_8_3: HResult; stdcall;
function GhostMethod_IStream_12_4: HResult; stdcall;
function GhostMethod_IStream_16_5: HResult; stdcall;
function RemoteSeek(dlibMove: _LARGE_INTEGER; dwOrigin: LongWord;
out plibNewPosition: _ULARGE_INTEGER): HResult; stdcall;
function SetSize(libNewSize: _ULARGE_INTEGER): HResult; stdcall;
function RemoteCopyTo(const pstm: IStream; cb: _ULARGE_INTEGER; out pcbRead: _ULARGE_INTEGER;
out pcbWritten: _ULARGE_INTEGER): HResult; stdcall;
function Commit(grfCommitFlags: LongWord): HResult; stdcall;
function Revert: HResult; stdcall;
function LockRegion(libOffset: _ULARGE_INTEGER; cb: _ULARGE_INTEGER; dwLockType: LongWord): HResult; stdcall;
function UnlockRegion(libOffset: _ULARGE_INTEGER; cb: _ULARGE_INTEGER; dwLockType: LongWord): HResult; stdcall;
function Stat(out pstatstg: tagSTATSTG; grfStatFlag: LongWord): HResult; stdcall;
function Clone(out ppstm: IStream): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMLangCodePages
// Flags: (0)
// GUID: {359F3443-BD4A-11D0-B188-00AA0038C969}
// *********************************************************************//
IMLangCodePages = interface(IUnknown)
['{359F3443-BD4A-11D0-B188-00AA0038C969}']
function GetCharCodePages(chSrc: Smallint; out pdwCodePages: LongWord): HResult; stdcall;
function GetStrCodePages(var pszSrc: Smallint; cchSrc: Integer; dwPriorityCodePages: LongWord;
out pdwCodePages: LongWord; out pcchCodePages: Integer): HResult; stdcall;
function CodePageToCodePages(uCodePage: SYSUINT; out pdwCodePages: LongWord): HResult; stdcall;
function CodePagesToCodePage(dwCodePages: LongWord; uDefaultCodePage: SYSUINT;
out puCodePage: SYSUINT): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMLangFontLink
// Flags: (0)
// GUID: {359F3441-BD4A-11D0-B188-00AA0038C969}
// *********************************************************************//
IMLangFontLink = interface(IMLangCodePages)
['{359F3441-BD4A-11D0-B188-00AA0038C969}']
function GetFontCodePages(var hDC: _RemotableHandle; var hFont: _RemotableHandle;
out pdwCodePages: LongWord): HResult; stdcall;
function MapFont(var hDC: _RemotableHandle; dwCodePages: LongWord;
var hSrcFont: _RemotableHandle; out phDestFont: wireHFONT): HResult; stdcall;
function ReleaseFont(var hFont: _RemotableHandle): HResult; stdcall;
function ResetFontMapping: HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMLangFontLink2
// Flags: (0)
// GUID: {DCCFC162-2B38-11D2-B7EC-00C04F8F5D9A}
// *********************************************************************//
IMLangFontLink2 = interface(IMLangCodePages)
['{DCCFC162-2B38-11D2-B7EC-00C04F8F5D9A}']
function GetFontCodePages(var hDC: _RemotableHandle; var hFont: _RemotableHandle;
out pdwCodePages: LongWord): HResult; stdcall;
function ReleaseFont(var hFont: _RemotableHandle): HResult; stdcall;
function ResetFontMapping: HResult; stdcall;
function MapFont(var hDC: _RemotableHandle; dwCodePages: LongWord; chSrc: Smallint;
out pFont: wireHFONT): HResult; stdcall;
function GetFontUnicodeRanges(var hDC: _RemotableHandle; var puiRanges: SYSUINT;
out pUranges: tagUNICODERANGE): HResult; stdcall;
function GetScriptFontInfo(sid: Byte; dwFlags: LongWord; var puiFonts: SYSUINT;
out pScriptFont: tagSCRIPFONTINFO): HResult; stdcall;
function CodePageToScriptID(uiCodePage: SYSUINT; out pSid: Byte): HResult; stdcall;
end;

// *********************************************************************//
// Interface: IMultiLanguage3
// Flags: (0)
// GUID: {4E5868AB-B157-4623-9ACC-6A1D9CAEBE04}
// *********************************************************************//
IMultiLanguage3 = interface(IMultiLanguage2)
['{4E5868AB-B157-4623-9ACC-6A1D9CAEBE04}']
function DetectOutboundCodePage(dwFlags: LongWord; lpWideCharStr: PWideChar;
cchWideChar: SYSUINT; var puiPreferredCodePages: SYSUINT;
nPreferredCodePages: SYSUINT;
var puiDetectedCodePages: SYSUINT;
var pnDetectedCodePages: SYSUINT; var lpSpecialChar: Smallint): HResult; stdcall;
function DetectOutboundCodePageInIStream(dwFlags: LongWord; const pStrIn: IStream;
var puiPreferredCodePages: SYSUINT;
nPreferredCodePages: SYSUINT;
var puiDetectedCodePages: SYSUINT;
var pnDetectedCodePages: SYSUINT;
var lpSpecialChar: Smallint): HResult; stdcall;
end;

// *********************************************************************//
// The Class CoCMLangString provides a Create and CreateRemote method to
// create instances of the default interface IMLangString exposed by
// the CoClass CMLangString. The functions are intended to be used by
// clients wishing to automate the CoClass objects exposed by the
// server of this typelibrary.
// *********************************************************************//
CoCMLangString = class
class function Create: IMLangString;
class function CreateRemote(const MachineName: string): IMLangString;
end;

// *********************************************************************//
// The Class CoCMLangConvertCharset provides a Create and CreateRemote method to
// create instances of the default interface IMLangConvertCharset exposed by
// the CoClass CMLangConvertCharset. The functions are intended to be used by
// clients wishing to automate the CoClass objects exposed by the
// server of this typelibrary.
// *********************************************************************//
CoCMLangConvertCharset = class
class function Create: IMLangConvertCharset;
class function CreateRemote(const MachineName: string): IMLangConvertCharset;
end;

// *********************************************************************//
// The Class CoCMultiLanguage provides a Create and CreateRemote method to
// create instances of the default interface IMultiLanguage exposed by
// the CoClass CMultiLanguage. The functions are intended to be used by
// clients wishing to automate the CoClass objects exposed by the
// server of this typelibrary.
// *********************************************************************//
CoCMultiLanguage = class
class function Create: IMultiLanguage;
class function CreateRemote(const MachineName: string): IMultiLanguage;
end;

implementation

uses ComObj;

class function CoCMLangString.Create: IMLangString;
begin
Result := CreateComObject(CLASS_CMLangString) as IMLangString;
end;

class function CoCMLangString.CreateRemote(const MachineName: string): IMLangString;
begin
Result := CreateRemoteComObject(MachineName, CLASS_CMLangString) as IMLangString;
end;

class function CoCMLangConvertCharset.Create: IMLangConvertCharset;
begin
Result := CreateComObject(CLASS_CMLangConvertCharset) as IMLangConvertCharset;
end;

class function CoCMLangConvertCharset.CreateRemote(const MachineName: string): IMLangConvertCharset;
begin
Result := CreateRemoteComObject(MachineName, CLASS_CMLangConvertCharset) as IMLangConvertCharset;
end;

class function CoCMultiLanguage.Create: IMultiLanguage;
begin
Result := CreateComObject(CLASS_CMultiLanguage) as IMultiLanguage;
end;

class function CoCMultiLanguage.CreateRemote(const MachineName: string): IMultiLanguage;
begin
Result := CreateRemoteComObject(MachineName, CLASS_CMultiLanguage) as IMultiLanguage;
end;

end.

比如,现在我想调用IEnumRfc1766接口来得到所有的tagRFC1766INFO,该如何做?请举个例子,接口方面狠菜,请大家帮帮忙!
 
我是这样的
function getInterface(IID: TGUID): IInterface; stdcall;

var
myLib: TCommonIntf;

implementation

function getInterface(IID: TGUID): IInterface;
begin
if Assigned(myLib) then
myLib.QueryInterface(IID, result);
end;

initialization
myLib := TCommonIntf.NewInstance as TCommonIntf;

finalization
if (Assigned(myLib)) then
begin
while (myLib.RefCount > 0) do
myLib._Release;

myLib := nil;
end;
end.
 
似乎使用接口前先要创建一个是实列,现在的问题就是如何创建这个实列?如果自己写个类再实列化,侧要实现接口的方法,而这里接口的方法是mlang.dll实现的,好像不需要自己实现.
 
自己顶一下
 
没人知道吗? 各位大虾帮帮忙啊,急用!
 
我是这样的
type
TCommonIntf= class(TInterfacedObject, ILibIntf)
你在ILibIntf中定义的接口
end;

function getInterface(IID: TGUID): IInterface; stdcall;

var
myLib: TCommonIntf;

implementation

function getInterface(IID: TGUID): IInterface;
begin
if Assigned(myLib) then
myLib.QueryInterface(IID, result);
end;

initialization
myLib := TCommonIntf.NewInstance as TCommonIntf;

finalization
if (Assigned(myLib)) then
begin
while (myLib.RefCount > 0) do
myLib._Release;

myLib := nil;
end;
end.

EXE调用
var
libHandle:THandle;
tmpProc: function (IID: TGUID): IInterface;
libIntf:ILibIntf;
begin
libHandle:=LoadLibrary(libName);
@tmpProc := GetProcAddress(libHandle, 'getInterface');
if (@tmpProc <> nil) then
begin
libIntf:= tmpProc(IID) as ILibIntf;
libIntf.你的方法();
end;
end;
 
后退
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