Delphi不注册COM直接使用ActiveX控件并绑定事件

Delphi不注册COM直接使用ActiveX控件并绑定事件 文笔不行,直接上源码:主窗口:delphi view plaincopyunit Unit1; interface uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls, Vcl.StdCtrls, Winapi.ActiveX , System.Win.ComObj, EventSink; type TForm1 = class(TForm) pnlCom: TPanel; Panel2: TPanel; Panel3: TPanel; btnGo: TButton; edt1: TEdit; LblStatus: TLabel; procedure FormCreate(Sender: TObject); procedure btnGoClick(Sender: TObject); private Private declarations EventSink: TEventSink; ActiveXCon: Variant; function InitAtl: Boolean; procedure EventSinkInvoke(Sender: TObject; DispID: Integer; const IID: TGUID; LocaleID: Integer; Flags: Word; Params: tagDISPPARAMS; VarResult, ExcepInfo, ArgErr: Pointer); public Public declarations end; var Form1: TForm1; const CLASS_MsRdpClient: TGUID = 7CACBD7B-0D99-468F-AC33-22E495C0AFE5;/791FA017-2DE3-492E-ACC5-53C67A2B94D0; type PIUnknown=IUnknown; TAtlAxAttachControl = function(Control:IUnknown; hwind:hwnd;ppUnkContainer:PIUnknown): HRESULT; stdcall; /-此处参考mstscax.dll的接口文件，如果没有，在 Component->Import Component->Import a Type Library /-导入：Microsoft Terminal Services Active Client 1.0 Type Library 1.0 IMsTscAxEvents = dispinterface 336D5562-EFA8-482E-8CB3-C5C0FC7A7DB6 procedure OnConnecting; dispid 1; procedure OnConnected; dispid 2; procedure OnLoginComplete; dispid 3; procedure OnDisconnected(discReason: Integer); dispid 4; procedure OnEnterFullScreenMode; dispid 5; procedure OnLeaveFullScreenMode; dispid 6; procedure OnChannelReceivedData(const chanName: WideString; const data: WideString); dispid 7; procedure OnRequestGoFullScreen; dispid 8; procedure OnRequestLeaveFullScreen; dispid 9; procedure OnFatalError(errorCode: Integer); dispid 10; procedure OnWarning(warningCode: Integer); dispid 11; procedure OnRemoteDesktopSizeChange(width: Integer; height: Integer); dispid 12; procedure OnIdleTimeoutNotification; dispid 13; procedure OnRequestContainerMinimize; dispid 14; function OnConfirmClose: WordBool; dispid 15; function OnReceivedTSPublicKey(const publicKey: WideString): WordBool; dispid 16; function OnAutoReconnecting(disconnectReason: Integer; attemptCount: Integer): AutoReconnectContinueState; dispid 17; procedure OnAuthenticationWarningDisplayed; dispid 18; procedure OnAuthenticationWarningDismissed; dispid 19; end; implementation $R *.dfm TForm1 function CreateComObjectFromDll(CLSID: TGUID; DllHandle: THandle): IUnknown; var Factory: IClassFactory; DllGetClassObject: function(const CLSID, IID: TGUID; var Obj): HResult; stdcall; hr: HRESULT; begin DllGetClassObject := GetProcAddress(DllHandle, DllGetClassObject); if Assigned(DllGetClassObject) then begin hr := DllGetClassObject(CLSID, IClassFactory, Factory); if hr = S_OK then try hr := Factory.CreateInstance(nil, IUnknown, Result); if hr <> S_OK then begin ShowMessage(Error); end; except ShowMessage(IntToStr(GetLastError); end; end; end; procedure TForm1.btnGoClick(Sender: TObject); begin ActiveXCon.Navigate(edt1.Text); end; procedure TForm1.EventSinkInvoke(Sender: TObject; DispID: Integer; const IID: TGUID; LocaleID: Integer; Flags: Word; Params: tagDISPPARAMS; VarResult, ExcepInfo, ArgErr: Pointer); begin <p> 这里需要注明Params这个参数, 包含了事件的参数 如： Params.rgvarg0 代表第一个参数 Params.rgvarg1 代表第二个参数 . Params.rgvarg65535 代表第65535个参数 最多65535个参数 具体可以参考 tagDISPPARAMS 的定义</p><p> 这里只列出了怎么扑获相关事件，具体功能具体实现 </p> case dispid of $00000001: LblStatus.Caption := 正在连接; $00000002: LblStatus.Caption := 连接成功; $00000003: LblStatus.Caption := 登陆成功; $00000004: LblStatus.Caption := 断开连接; $00000005: LblStatus.Caption := 进入全屏模式; $00000006: LblStatus.Caption := 离开全屏模式; $00000007: LblStatus.Caption := 通道接收数据; $00000008: LblStatus.Caption := OnRequestGoFullScreen; $00000009: LblStatus.Caption := OnRequestLeaveFullScreen; $00000010: LblStatus.Caption := OnFatalError; $00000011: LblStatus.Caption := OnWarning; $00000012: LblStatus.Caption := OnRemoteDesktopSizeChange; $00000013: LblStatus.Caption := OnIdleTimeoutNotification; $00000014: LblStatus.Caption := OnRequestContainerMinimize; $00000015: LblStatus.Caption := OnConfirmClose; $00000016: LblStatus.Caption := OnReceivedTSPublicKey; $00000017: LblStatus.Caption := OnAutoReconnecting; $00000018: LblStatus.Caption := OnAuthenticationWarningDisplayed; $00000019: LblStatus.Caption := OnAuthenticationWarningDismissed; end end; procedure TForm1.FormCreate(Sender: TObject); begin InitAtl; end; function TForm1.InitAtl: Boolean; var hModule, hDll: THandle; AtlAxAttachControl: TAtlAxAttachControl; begin hModule := LoadLibrary(atl.dll); if hModule < 32 then begin Exit(False); end; AtlAxAttachControl := TAtlAxAttachControl(GetProcAddress(hModule, AtlAxAttachControl); EventSink := TEventSink.Create(Self); EventSink.OnInvoke := EventSinkInvoke; if not Assigned(AtlAxAttachControl) then Exit(False); try -后期绑定 / ActiveXCon := CreateComObject(CLASS_MsRdpClient); /CreateOleObject(Shell.Explorer); /CreateComObject(CLASS_MsRdpClient); -前期绑定 hDll := LoadLibrary(mstscax.dll); ActiveXCon := CreateComObjectFromDll(CLASS_MsRdpClient, hDll) as IDispatch; / if Assigned(ActiveXCon) then begin / / end; if VarIsNull(ActiveXCon) then begin Result := False; Exit; end; EventSink.Connect(ActiveXCon, IMsTscAxEvents); AtlAxAttachControl(ActiveXCon,pnlCom.Handle, nil); / ActiveXCon.GoHome; ActiveXCon.Server := 5; ActiveXCon.UserName := Va_admin; ActiveXCon.AdvancedSettings2.ClearTextPassword := Va5!1232; ActiveXCon.Connect; Result := True; except Result := False; end; end; end. 事件单元:delphi view plaincopyunit EventSink; interface uses Winapi.Windows, Winapi.Messages, System.SysUtils, System.Classes, Vcl.Graphics, Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Winapi.ActiveX; type TInvokeEvent = procedure(Sender: TObject; DispID: Integer; const IID: TGUID; LocaleID: Integer; Flags: Word; Params: TDispParams; VarResult, ExcepInfo, ArgErr: Pointer) of object; TAbstractEventSink = class(TObject, IUnknown, IDispatch) private FDispatch: IDispatch; FDispIntfIID: TGUID; FConnection: LongInt; FOwner: TComponent; protected IUnknown function QueryInterface(const IID: TGUID; out Obj): HRESULT; stdcall; function _AddRef: Integer; stdcall; function _Release: Integer; stdcall; IDispatch function GetTypeInfoCount(out Count: Integer): HRESULT; stdcall; function GetTypeInfo(Index, LocaleID: Integer; out TypeInfo) : HRESULT; stdcall; function GetIDsOfNames(const IID: TGUID; Names: Pointer; NameCount, LocaleID: Integer; DispIDs: Pointer): HRESULT; stdcall; function Invoke(DispID: Integer; const IID: TGUID; LocaleID: Integer; Flags: Word; var Params; VarResult, ExcepInfo, ArgErr: Pointer) : HRESULT; stdcall; public constructor Create(AOwner: TComponent); destructor Destroy; override; procedure Connect(AnAppDispatch: IDispatch; const AnAppDispIntfIID: TGUID); procedure Disconnect; end; TEventSink = class(TComponent) private Private declarations FSink: TAbstractEventSink; FOnInvoke: TInvokeEvent; protected Protected declarations procedure DoInvoke(DispID: Integer; const IID: TGUID; LocaleID: Integer; Flags: Word; var Params; VarResult, ExcepInfo, ArgErr: Pointer); virtual; public Public declarations constructor Create(AOwner: TComponent); override; destructor Destroy; override; procedure Connect(AnAppDispatch: IDispatch; const AnAppDispIntfIID: TGUID); published Published declarations property OnInvoke: TInvokeEvent read FOnInvoke write FOnInvoke; end; implementation uses ComObj; procedure InterfaceConnect(const Source: IUnknown; const IID: TIID; const Sink: IUnknown; var Connection: LongInt); var CPC: IConnectionPointContainer; CP: IConnectionPoint; i: HRESULT; begin Connection := 0; if Succeeded(Source.QueryInterface(IConnectionPointContainer, CPC) then if Succeeded(CPC.FindConnectionPoint(IID, CP) then i := CP.Advise(Sink, Connection); end; procedure InterfaceDisconnect(const Source: IUnknown; const IID: TIID; var Connection: LongInt); var CPC: IConnectionPointContainer; CP: IConnectionPoint; begin if Connection <> 0 then if Succeeded(Source.QueryInterface(IConnectionPointContainer, CPC) then if Succeeded(CPC.FindConnectionPoint(IID, CP) then if Succeeded(CP.Unadvise(Connection) then Connection := 0; end; TAbstractEventSink function TAbstractEventSink._AddRef: Integer; stdcall; begin Result := 2; end; function TAbstractEventSink._Release: Integer; stdcall; begin Result := 1; end; constructor TAbstractEventSink.Create(AOwner: TComponent); begin inherited Create; FOwner := AOwner; end; destructor TAbstractEventSink.Destroy; var p: Pointer; begin Disconnect; inherited Destroy; end; function TAbstractEventSink.GetIDsOfNames(const IID: TGUID; Names: Pointer; NameCount, LocaleID: Integer; DispIDs: Pointer): HRESULT; stdcall; begin Result := E_NOTIMPL; end; function TAbstractEventSink.GetTypeInfo(Index, LocaleID: Integer; out TypeInfo) : HRESULT; stdcall; begin Result := E_NOTIMPL; end; function TAbstractEventSink.GetTypeInfoCount(out Count: Integer) : HRESULT; stdcall; begin Count := 0; Result := S_OK; end; function TAbstractEventSink.Invoke(DispID: Integer; const IID: TGUID; LocaleID: Integer; Flags: Word; var Params; VarResult, ExcepInfo, ArgErr: Pointer): HRESULT; stdcall; begin (FOwner as TEventSink).DoInvoke(DispID, IID, LocaleID, Flags, Params, VarResult, ExcepInfo, ArgErr); Result := S_OK; end; function TAbstractEventSink.QueryInterface(const IID: TGUID; out Obj) : HRESULT; stdcall; begin / We need to return the event interface when its asked for Result := E_NOINTERFACE; if GetInterface(IID, Obj) then Result := S_OK; if IsEqualGUID(IID, FDispIntfIID) and GetInterface(IDispatch, Obj) then Result := S_OK; end; procedure TAbstractEventSink.Connect(AnAppDispatch: IDispatch; const AnAppDispI