MSN QQ中的动画表情 在Delphi实现.doc

MSN / QQ 中的动画表情 在Delphi中RichE 发布时间：2010-09-01 | 1楼: unit Unit1;interfaceusesWindows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,Dialogs,ImageOleLib_TLB, StdCtrls, RxRichEd,ActiveX;constIID_IOleObject: TGUID = (D1: D2: $0000; D3: $0000; D4: ($C0, $00, $00, $00, $00, $00, $00,$46));EM_GETOLEINTERFACE = WM_USER + 60;typeTForm1 = class(TForm)Button1: TButton;Editor: TRxRichEdit;procedure Button1Click(Sender: TObject);private{ Private declarations }public{ Public declarations }end;varForm1: TForm1;implementation{$R *.dfm}procedure TForm1.Button1Click(Sender: TObject);varFRTF: IRichEditOle;FLockBytes: ILockBytes;FStorage: ISTORAGE;FClientSite: IOLECLIENTSITE;m_lpObject: IOleObject;m_lpAnimator: TGifAnimator;i_GifAnimator: IGifAnimator;reobject: TReObject;clsid: TGuid;sizel: tagSize;dwStart, dwEnd: DWORD; Rect:TRect;begintryif CreateILockBytesOnHGlobal(0, True, FLockBytes) <> S_OK thenbeginshowmessage('Error to create Global Heap');exit;end;//建立一个混合文档存取对象if StgCreateDocfileOnILockBytes(FLockBytes, STGM_SHARE_EXCLUSIVE orSTGM_CREATE or STGM_READWRITE, 0, FStorage) <> S_OK thenbeginShowmessage('Error to create storage');exit;end;//取得RichEdit的接口Sendmessage(Editor.handle,EM_GETOLEINTERFACE,0,LongInt(@FRTF));if FRTF.GetClientSite(FClientSite)<>S_OK thenbeginShowMessage('Error to get ClentSite');Exit;end;CoInitializeEx(nil, COINIT_APARTMENTTHREADED);m_lpAnimator := TGifAnimator.Create(Self);i_GifAnimator := m_lpAnimator.ControlInterface;i_GifAnimator.LoadFromFile('c:＼ti.gif');i_GifAnimator.QueryInterface(IID_IOleObject, m_lpObject);OleSetContainedObject(m_lpObject, True);FillChar(ReObject, SizeOf(ReObject), 0);ReObject.cbStruct := SizeOf(ReObject); m_lpObject.GetUserClassID(clsid);ReObject.clsid := clsid;reobject.cp := REO_CP_SELECTION;//content, but not staticreobject.dvaspect := DVASPECT_CONTENT;//goes in the same line of text linereobject.dwFlags := REO_BELOWBAS