unit Main;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, StdCtrls,Comobj;

type
TForm1 = class(TForm)
Panel1: TPanel;
Panel2: TPanel;
Label1: TLabel;
Button1: TButton;
Button2: TButton;
Button3: TButton;
procedure Panel1Resize(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
FComApp:OleVariant;
gWaveHwnd:Hwnd;
public
{ Public declarations }
procedure SetParentWindow(pParent: TWinControl);
end;

var
Form1: TForm1;

implementation

{$R *.dfm}

{ TForm1 }

procedure TForm1.Button1Click(Sender: TObject);
var
Word : Variant;
begin
FComApp := CreateOLEObject('Word.Application');
FComApp.Documents.Open(extractfilepath(Application.ExeName)+'\test.doc',false);
FComApp.Visible := True;
Label1.Caption := FComApp.ActiveWindow.Caption;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
SetParentWindow(Panel1);
end;

procedure TForm1.Panel1Resize(Sender: TObject);
begin
if gWaveHwnd<>0 then
begin
FComApp.ActiveWindow.Height := Panel1.Height;
FComApp.ActiveWindow.Width := Panel1.Width;
Windows.MoveWindow(gWaveHwnd,0,0,Panel1.Width,Panel1.Height,false);
end;
end;

procedure TForm1.SetParentWindow(pParent: TWinControl);
var
lWaveHwnd : Hwnd;
lWidth, lHeight: Integer;
lWindowCaption: String;
begin
//lwaveHwnd := FindWindow(nil,'Microsoft Word');//窗口标题
lWindowCaption := FComApp.ActiveWindow.Caption;
lwaveHwnd := FindWindow(nil,pAnsiChar(lWindowCaption+' - Microsoft Word'));//窗口标题
//lwaveHwnd := FindWindowW(nil,pWideChar(String(FComApp.ActiveWindow.Caption)));//窗口标题
Windows.SetWindowLong(lWaveHwnd,GWL_STYLE,GetWindowLong(lWaveHwnd, GWL_STYLE)
and not (WS_CAPTION or WS_SYSMENU));
Windows.SetParent(lWaveHwnd,pParent.Handle);
gWaveHwnd:=lWaveHwnd;
lWidth := pParent.Width;
lHeight := pParent.Height;
Windows.MoveWindow(lWaveHwnd,0,0,lWidth,lHeight,false);
//mParent := pParent;
end;

end.