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使用HTML界面的Delphi开发环境建立

2011年02月24日 ⁄ 综合 ⁄ 共 12128字 ⁄ 字号 评论关闭

1 SHDocVw_TLB是shdocvw.dll的类型库导入单元,没有的话就改成shdocvw(delphi自带),或者在“Project”菜单下选“Import Type Library”,在弹出的对话框中再选择“Microsoft Internet Controls”,再点“Create Unit”即可。但是把第二个webbrowser改为webbrowser2.但以后其他工程要用就要改回来了.

2 安装EmbeddedWB_D2005_Update12.zip,它包含了IEConst,IEUtil等.

3 安装zoc,在demo中.

4 安装的路径,就是有dcu的路径加入delphi的环境变量 .

 

附Zoc代码:

unit ZoCWebBrowser;

interface

uses
  Variants,
  IEConst, IEUtils, Registry, Windows, Messages, SysUtils, Classes, Graphics,
  Controls, Forms, Dialogs, EXTCtrls, OleCtrls, SHDocVw_tlb,
  ActiveX, shlObj, Wininet, Urlmon, shellapi, MSHTML;

type
//zoc 2003-9-15 IDocHostUIHandler
  TShowContextMenuEvent = function(const dwID: DWORD; const ppt: PPOINT;
    const pcmdtReserved: IUnknown; const pdispReserved: IDispatch): HRESULT of object;
  TGetHostInfoEvent = function(var pInfo: TDOCHOSTUIINFO): HRESULT of object;
  TShowUIEvent = function(const dwID: DWORD; const pActiveObject:
    IOleInPlaceActiveObject;
    const pCommandTarget: IOleCommandTarget; const pFrame: IOleInPlaceFrame;
    const pDoc: IOleInPlaceUIWindow): HRESULT of object;
  THideUIEvent = function: HRESULT of object;
  TUpdateUIEvent = function: HRESULT of object;
  TEnableModelessEvent = function(const fEnable: BOOL): HRESULT of object;
  TOnDocWindowActivateEvent = function(const fActivate: BOOL): HRESULT of object;
  TOnFrameWindowActivateEvent = function(const fActivate: BOOL): HRESULT of object;
  TResizeBorderEvent = function(const prcBorder: PRECT;
    const pUIWindow: IOleInPlaceUIWindow;
    const fRameWindow: BOOL): HRESULT of object;
  TTranslateAcceleratorEvent = function(const lpMsg: PMSG; const pguidCmdGroup: PGUID;
    const nCmdID: DWORD): HRESULT of object;
  TGetOptionKeyPathEvent = function(var pchKey: POLESTR; const dw: DWORD): HRESULT of
    object;
  TGetDropTargetEvent = function(const pDropTarget: IDropTarget;
    out ppDropTarget: IDropTarget): HRESULT of object;
  TGetExternalEvent = function(out ppDispatch: IDispatch): HRESULT of object;
  TTranslateUrlEvent = function(const dwTranslate: DWORD; const pchURLIn: POLESTR;
    var ppchURLOut: POLESTR): HRESULT of object;
  TFilterDataObjectEvent = function(const pDO: IDataObject;
    out ppDORet: IDataObject): HRESULT of object;
//zoc 2003-9-15 IDocHostUIHandler

//zoc 2003-9-15 IDocHostUIHandler2
  TGetOverrideKeyPathEvent = function(pchKey: POLESTR; dw: DWORD): HRESULT of object;
//zoc 2003-9-15 IDocHostUIHandler2

//zoc 2003-9-15 IDocHostShowUI
  TShowMessageEvent = function(hwnd: THandle;
    lpstrText: POLESTR; lpstrCaption: POLESTR; dwType: longint; lpstrHelpFile: POLESTR;
    dwHelpContext: longint; var plResult: LRESULT): HRESULT of object;
  TShowHelpEvent = function(hwnd: THandle; pszHelpFile: POLESTR; uCommand: integer;
    dwData: longint; ptMouse: TPoint;
    var pDispatchObjectHit: IDispatch): HRESULT of object;
//zoc 2003-9-15 IDocHostShowUI

  TZoCWebBrowser = class(TWebBrowser2, IDocHostUIHandler, IDocHostUIHandler2,
    IDocHostShowUI)
  private
//zoc 2003-9-15 IDocHostUIHandler
    FOnEnableModeless: TEnableModelessEvent;
    FOnFilterDataObject: TFilterDataObjectEvent;
    FOnGetDropTarget: TGetDropTargetEvent;
    FOnGetExternal: TGetExternalEvent;
    FOnGethostinfo: TGetHostInfoEvent;
    FOnGetOptionKeyPath: TGetOptionKeyPathEvent;
    FOnHideUI: THideUIEvent;
    FOnOnDocWindowActivate: TOnDocWindowActivateEvent;
    FOnOnFrameWindowActivate: TOnFrameWindowActivateEvent;
    FOnResizeBorder: TResizeBorderEvent;
    FOnShowContextmenu: TShowContextMenuEvent;
    FOnShowUI: TShowUIEvent;
    FOnTranslateAccelerator: TTranslateAcceleratorEvent;
    FOnTranslateUrL: TTranslateUrlEvent;
    FOnUpdateUI: TUpdateUIEvent;
//zoc 2003-9-15 IDocHostUIHandler

//zoc 2003-9-15 IDocHostUIHandler2
    FOnGetOverrideKeyPath: TGetOverrideKeypathEvent;
//zoc 2003-9-15 IDocHostUIHandler2

//zoc 2003-9-15 IDocHostShowUI
    FOnShowMessage: TShowMessageEvent;
    FOnShowHelp: TShowHelpEvent;
//zoc 2003-9-15 IDocHostShowUI

    FUserInterfaceValue: Cardinal;
    FHelpFile: string;
  protected
    { Protected declarations }
//zoc 2003-9-15 IDocHostUIHandler
    function ShowContextMenu(const dwID: DWORD; const ppt: PPOINT;
      const pcmdtReserved: IUnknown; const pdispReserved: IDispatch): HRESULT; stdcall;
    function GetHostInfo(var pInfo: TDOCHOSTUIINFO): HRESULT; stdcall;
    function ShowUI(const dwID: DWORD; const pActiveObject: IOleInPlaceActiveObject;
      const pCommandTarget: IOleCommandTarget; const pFrame: IOleInPlaceFrame;
      const pDoc: IOleInPlaceUIWindow): HRESULT; stdcall;
    function HideUI: HRESULT; stdcall;
    function UpdateUI: HRESULT; stdcall;
    function EnableModeless(const fEnable: BOOL): HRESULT; stdcall;
    function OnDocWindowActivate(const fActivate: BOOL): HRESULT; stdcall;
    function OnFrameWindowActivate(const fActivate: BOOL): HRESULT; stdcall;
    function ResizeBorder(const prcBorder: PRECT;
      const pUIWindow: IOleInPlaceUIWindow;
      const FrameWindow: BOOL): HRESULT; stdcall;
    function TranslateAccelerator(const lpMsg: PMSG; const pguidCmdGroup: PGUID;
      const nCmdID: DWORD): HRESULT; stdcall;
    function GetOptionKeyPath(var pchKey: POLESTR; const dw: DWORD): HRESULT; stdcall;
    function GetDropTarget(const pDropTarget: IDropTarget;
      out ppDropTarget: IDropTarget): HRESULT; stdcall;
    function GetExternal(out ppDispatch: IDispatch): HRESULT; stdcall;
    function TranslateUrl(const dwTranslate: DWORD; const pchURLIn: POLESTR;
      var ppchURLOut: POLESTR): HRESULT; stdcall;
    function FilterDataObject(const pDO: IDataObject;
      out ppDORet: IDataObject): HRESULT; stdcall;
//zoc 2003-9-15 IDocHostUIHandler

//zoc 2003-9-15 IDocHostUIHandler2
    function GetOverrideKeyPath(pchKey: POLESTR; dw: DWORD): HRESULT; stdcall;
//zoc 2003-9-15 IDocHostUIHandler2

//zoc 2003-9-15 IDocHostShowUI
    function ShowMessage(hwnd: THandle;
      lpstrText: POLESTR; lpstrCaption: POLESTR; dwType: longint; lpstrHelpFile: POLESTR;
      dwHelpContext: longint; var plResult: LRESULT): HRESULT; stdcall;
    function ShowHelp(hwnd: THandle; pszHelpFile: POLESTR; uCommand: integer;
      dwData: longint; ptMouse: TPoint;
      var pDispatchObjectHit: IDispatch): HRESULT; stdcall;
//zoc 2003-9-15 IDocHostShowUI

  public
    { Public declarations }
  published
    { Published declarations }
    property HelpFile: string read FHelpFile write FHelpFile;
//zoc 2003-9-15 IDocHostUIHandler
    property OnShowContextMenu: TShowContextMenuEvent read FOnShowContextmenu write
      FOnShowContextmenu;
    property OnGetHostInfo: TGetHostInfoEvent read FOnGethostinfo write fongethostinfo;
    property OnShowUI: TShowUIEvent read FOnShowUI write FOnShowUI;
    property OnHideUI: THideUIEvent read FOnHideUI write FOnHideUI;
    property OnUpdateUI: TUpdateUIEvent read FOnUpdateUI write FOnUpdateUI;
    property OnEnableModeless: TEnableModelessEvent read FOnEnableModeless write
      FOnEnableModeless;
    property OnOnDocWindowActivate: TOnDocWindowActivateEvent read FOnOnDocWindowActivate
      write FOnOnDocWindowActivate;
    property OnOnFrameWindowActivate: TOnFrameWindowActivateEvent read
      FOnOnFrameWindowActivate write FOnOnFrameWindowActivate;
    property OnResizeBorder: TResizeBorderEvent read FOnResizeBorder write
      FOnResizeBorder;
    property OnTranslateAccelerator: TTranslateAcceleratorEvent read
      FOnTranslateAccelerator write FOnTranslateAccelerator;
    property OnGetOptionKeyPath: TGetOptionKeyPathEvent read FOnGetOptionKeyPath write
      FOnGetOptionKeyPath;
    property OnGetDropTarget: TGetDropTargetEvent read FOnGetDropTarget write
      FOnGetDropTarget;
    property OnGetExternal: TGetExternalEvent read FOnGetExternal write FOnGetExternal;
    property OnTranslateUrl: TTranslateUrlEvent read FOnTranslateUrL write
      FOnTranslateUrL;
    property OnFilterDataObject: TFilterDataObjectEvent read FOnFilterDataObject write
      FOnFilterDataObject;
//zoc 2003-9-15 IDocHostUIHandler

//zoc 2003-9-15 IDocHostUIHandler2
    property OnGetOverrideKeyPath: TGetOVerrideKeypathEvent read FOnGetOverrideKeyPath write FOnGetOverrideKeyPath;
//zoc 2003-9-15 IDocHostUIHandler2

//zoc 2003-9-15 IDocHostShowUI
    property OnShowMessage: TShowMessageEvent read FOnShowMessage write FOnShowMessage;
    property OnShowHelp: TShowHelpEvent read FOnShowHelp write FOnShowHelp;
//zoc 2003-9-15 IDocHostShowUI
  end;

procedure Register;

implementation

var
  Saved8087CW: Word;

//zoc 2003-9-15 IDocHostUIHandler

function TZoCWebBrowser.ShowContextMenu(const dwID: DWORD; const ppt: PPOINT;
  const pcmdtReserved: IUnknown; const pdispReserved: IDispatch): HRESULT;
begin
  if Assigned(FOnShowContextmenu) then
    RESULT := FOnSHowContextmenu(dwID, ppt,
      pcmdtreserved, pdispreserved)
  else
    RESULT := S_FALSE;
end;

function TZoCWebBrowser.GetHostInfo(var pInfo: TDOCHOSTUIINFO): HRESULT;
begin
  pInfo.cbSize := SizeOf(pInfo);
  pInfo.dwFlags := FUserInterfaceValue;
  pInfo.dwDoubleClick := DOCHOSTUIDBLCLK_DEFAULT;
  if Assigned(FOnGetHostInfo) then
    Result := FOnGetHostInfo(pInfo)
  else
    Result := S_OK;
end;

function TZoCWebBrowser.ShowUI(const dwID: DWORD;
  const pActiveObject: IOleInPlaceActiveObject;
  const pCommandTarget: IOleCommandTarget; const pFrame: IOleInPlaceFrame;
  const pDoc: IOleInPlaceUIWindow): HRESULT;
begin
  if Assigned(FOnShowUI) then
    Result := FOnShowUI(dwID, pActiveObject, pCommandTarget, pFrame, pDoc)
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.HideUI: HRESULT;
begin
  if Assigned(FOnHideUI) then
    Result := FOnHideUI
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.UpdateUI: HRESULT;
begin
  if Assigned(FOnUpdateUI) then
    Result := FOnUpdateUI
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.EnableModeless(const fEnable: BOOL): HRESULT;
begin
  if Assigned(FOnEnableModeless) then
    Result := FOnEnableModeless(fEnable)
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.OnDocWindowActivate(const fActivate: BOOL): HRESULT;
begin
  if Assigned(FOnOnDocWindowActivate) then
    Result := FOnOnDocWindowActivate(fActivate)
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.OnFrameWindowActivate(const fActivate: BOOL): HRESULT;
begin
  if Assigned(FOnOnFrameWindowActivate) then
    Result := FOnOnFrameWindowActivate(fActivate)
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.ResizeBorder(const prcBorder: PRECT;
  const pUIWindow: IOleInPlaceUIWindow; const fRameWindow: BOOL): HRESULT;
begin
  if Assigned(FOnResizeBorder) then
    Result := FOnResizeBorder(prcBorder, pUIWindow, fRameWindow)
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.TranslateAccelerator(const lpMsg: PMSG;
  const pguidCmdGroup: PGUID; const nCmdID: DWORD): HRESULT;
begin
  if Assigned(FOnTranslateAccelerator) then
    Result := FOnTranslateAccelerator(lpMsg, pguidCmdGroup, nCmdID)
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.GetOptionKeyPath(var pchKey: POLESTR; const dw: DWORD): HRESULT;
begin
  if Assigned(FOnGetOptionKeyPath) then
    Result := FOnGetOptionKeyPath(pchKey, dw)
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.GetDropTarget(const pDropTarget: IDropTarget;
  out ppDropTarget: IDropTarget): HRESULT;
begin
  if Assigned(FOnGetDropTarget) then
    Result := FOnGetDropTarget(pDropTarget, ppDropTarget)
  else
    Result := S_OK;
end;

function TZoCWebBrowser.GetExternal(out ppDispatch: IDispatch): HRESULT;
begin
  if Assigned(FOnGetExternal) then
    Result := FOnGetExternal(ppDispatch)
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.TranslateUrl(const dwTranslate: DWORD;
  const pchURLIn: POLESTR; var ppchURLOut: POLESTR): HRESULT;
begin
  if Assigned(FOnTranslateUrl) then
    Result := FOnTranslateUrl(dwTranslate, pchUrlIn, ppchUrlOut)
  else
    Result := S_FALSE;
end;

function TZoCWebBrowser.FilterDataObject(const pDO: IDataObject;
  out ppDORet: IDataObject): HRESULT;
begin
  if Assigned(FOnFilterDataObject) then
    Result := FOnFilterDataObject(pDO, ppDORet)
  else
    Result := S_FALSE;
end;

//zoc 2003-9-15 IDocHostUIHandler

//zoc 2003-9-15 IDocHostUIHandler2

function TZoCWebBrowser.GetOverrideKeyPath(pchKey: POLESTR;
  dw: DWORD): HRESULT;
begin
  if Assigned(FOnGetOverrideKeyPath) then RESULT := FOnGetOverrideKeyPath(pchkey, dw) else
    Result := S_OK;
end;

//zoc 2003-9-15 IDocHostUIHandler2

//zoc 2003-9-15 IDocHostShowUI
function TZoCWebBrowser.ShowMessage(hwnd: THandle; lpstrText: POLESTR;
  lpstrCaption: POLESTR; dwType: longint; lpstrHelpFile: POLESTR;
  dwHelpContext: longint; var plResult: LRESULT): HRESULT;
begin
  if Assigned(FOnShowMessage) then
    Result := FOnShowMessage(hwnd, lpstrText, lpStrCaption, dwType, lpStrHelpFile, dwHelpContext, plResult) else
    Result := S_FALSE;
end;

function TZoCWebBrowser.ShowHelp(hwnd: THandle; pszHelpFile: POLESTR;
  uCommand: integer; dwData: longint; ptMouse: TPoint;
  var pDispatchObjectHit: IDispatch): HRESULT;
begin
  Result := S_OK;
  if Assigned(FOnShowHelp) then
    Result := FOnShowHelp(hwnd, pszHelpFile, uCommand, dwData, ptMouse, pDispatchObjectHit) else
    if FHelpFile <> '' then HtmlHelp(hwnd, Pchar(FHelpFile), ucommand, dwData) else
      Result := S_FALSE;
end;

//zoc 2003-9-15 IDocHostShowUI

procedure Register;
begin
  RegisterComponents('EoC', [TZoCWebBrowser]);
end;

initialization
  Saved8087CW := Default8087CW;
{$IFDEF VER120}
  bMsgHandler := False;
{$ENDIF}
  OleInitialize(nil);
finalization
  Set8087CW(Saved8087CW);
  try
    OleUninitialize;
  except end;

end.

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