编程时遇上could not obtain ole control window handle |
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maner
一般會員 發表:1 回覆:0 積分:0 註冊:2003-07-21 發送簡訊給我 |
如果在一个非弹出的IE里面打开是正常的,但试图在弹出的浏览器(用window.open打开的窗体内)的ocx控件里面动态创建imgedit 请问could not obtain ole control window handle是怎么一回事?
我应该如何解决这个问题?谢谢! 源程序如下: unit mytestocxImpl1; {$WARN SYMBOL_PLATFORM OFF} interface uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
ActiveX, AxCtrls, mytestocxProj1_TLB, StdVcl, StdCtrls, OleCtrls,
DBOleCtl, ImgeditLibCtl_TLB, SHDocVw,ComObj, ComServ; type
Tmytestocx = class(TActiveForm, Imytestocx)
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
FEvents: ImytestocxEvents;
procedure ActivateEvent(Sender: TObject);
procedure ClickEvent(Sender: TObject);
procedure CreateEvent(Sender: TObject);
procedure DblClickEvent(Sender: TObject);
procedure DeactivateEvent(Sender: TObject);
procedure DestroyEvent(Sender: TObject);
procedure KeyPressEvent(Sender: TObject; var Key: Char);
procedure PaintEvent(Sender: TObject);
protected
{ Protected declarations }
procedure DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage); override;
procedure EventSinkChanged(const EventSink: IUnknown); override;
function Get_Active: WordBool; safecall;
function Get_AlignDisabled: WordBool; safecall;
function Get_AutoScroll: WordBool; safecall;
function Get_AutoSize: WordBool; safecall;
function Get_AxBorderStyle: TxActiveFormBorderStyle; safecall;
function Get_Caption: WideString; safecall;
function Get_Color: OLE_COLOR; safecall;
function Get_Cursor: Smallint; safecall;
function Get_DoubleBuffered: WordBool; safecall;
function Get_DropTarget: WordBool; safecall;
function Get_Enabled: WordBool; safecall;
function Get_Font: IFontDisp; safecall;
function Get_HelpFile: WideString; safecall;
function Get_HelpKeyword: WideString; safecall;
function Get_HelpType: TxHelpType; safecall;
function Get_KeyPreview: WordBool; safecall;
function Get_PixelsPerInch: Integer; safecall;
function Get_PrintScale: TxPrintScale; safecall;
function Get_Scaled: WordBool; safecall;
function Get_Visible: WordBool; safecall;
function Get_VisibleDockClientCount: Integer; safecall;
procedure _Set_Font(var Value: IFontDisp); safecall;
procedure Set_AutoScroll(Value: WordBool); safecall;
procedure Set_AutoSize(Value: WordBool); safecall;
procedure Set_AxBorderStyle(Value: TxActiveFormBorderStyle); safecall;
procedure Set_Caption(const Value: WideString); safecall;
procedure Set_Color(Value: OLE_COLOR); safecall;
procedure Set_Cursor(Value: Smallint); safecall;
procedure Set_DoubleBuffered(Value: WordBool); safecall;
procedure Set_DropTarget(Value: WordBool); safecall;
procedure Set_Enabled(Value: WordBool); safecall;
procedure Set_Font(const Value: IFontDisp); safecall;
procedure Set_HelpFile(const Value: WideString); safecall;
procedure Set_HelpKeyword(const Value: WideString); safecall;
procedure Set_HelpType(Value: TxHelpType); safecall;
procedure Set_KeyPreview(Value: WordBool); safecall;
procedure Set_PixelsPerInch(Value: Integer); safecall;
procedure Set_PrintScale(Value: TxPrintScale); safecall;
procedure Set_Scaled(Value: WordBool); safecall;
procedure Set_Visible(Value: WordBool); safecall;
public
{ Public declarations }
procedure Initialize; override;
end; implementation
uses shellApi; {$R *.DFM} { Tmytestocx } procedure Tmytestocx.DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage);
begin
{ Define property pages here. Property pages are defined by calling
DefinePropertyPage with the class id of the page. For example,
DefinePropertyPage(Class_mytestocxPage); }
end; procedure Tmytestocx.EventSinkChanged(const EventSink: IUnknown);
begin
FEvents := EventSink as ImytestocxEvents;
inherited EventSinkChanged(EventSink);
end; procedure Tmytestocx.Initialize;
begin
inherited Initialize;
OnActivate := ActivateEvent;
OnClick := ClickEvent;
OnCreate := CreateEvent;
OnDblClick := DblClickEvent;
OnDeactivate := DeactivateEvent;
OnDestroy := DestroyEvent;
OnKeyPress := KeyPressEvent;
OnPaint := PaintEvent;
end; function Tmytestocx.Get_Active: WordBool;
begin
Result := Active;
end; function Tmytestocx.Get_AlignDisabled: WordBool;
begin
Result := AlignDisabled;
end; function Tmytestocx.Get_AutoScroll: WordBool;
begin
Result := AutoScroll;
end; function Tmytestocx.Get_AutoSize: WordBool;
begin
Result := AutoSize;
end; function Tmytestocx.Get_AxBorderStyle: TxActiveFormBorderStyle;
begin
Result := Ord(AxBorderStyle);
end; function Tmytestocx.Get_Caption: WideString;
begin
Result := WideString(Caption);
end; function Tmytestocx.Get_Color: OLE_COLOR;
begin
Result := OLE_COLOR(Color);
end; function Tmytestocx.Get_Cursor: Smallint;
begin
Result := Smallint(Cursor);
end; function Tmytestocx.Get_DoubleBuffered: WordBool;
begin
Result := DoubleBuffered;
end; function Tmytestocx.Get_DropTarget: WordBool;
begin
Result := DropTarget;
end; function Tmytestocx.Get_Enabled: WordBool;
begin
Result := Enabled;
end; function Tmytestocx.Get_Font: IFontDisp;
begin
GetOleFont(Font, Result);
end; function Tmytestocx.Get_HelpFile: WideString;
begin
Result := WideString(HelpFile);
end; function Tmytestocx.Get_HelpKeyword: WideString;
begin
Result := WideString(HelpKeyword);
end; function Tmytestocx.Get_HelpType: TxHelpType;
begin
Result := Ord(HelpType);
end; function Tmytestocx.Get_KeyPreview: WordBool;
begin
Result := KeyPreview;
end; function Tmytestocx.Get_PixelsPerInch: Integer;
begin
Result := PixelsPerInch;
end; function Tmytestocx.Get_PrintScale: TxPrintScale;
begin
Result := Ord(PrintScale);
end; function Tmytestocx.Get_Scaled: WordBool;
begin
Result := Scaled;
end; function Tmytestocx.Get_Visible: WordBool;
begin
Result := Visible;
end; function Tmytestocx.Get_VisibleDockClientCount: Integer;
begin
Result := VisibleDockClientCount;
end; procedure Tmytestocx._Set_Font(var Value: IFontDisp);
begin
SetOleFont(Font, Value);
end; procedure Tmytestocx.ActivateEvent(Sender: TObject);
begin
if FEvents <> nil then FEvents.OnActivate;
end; procedure Tmytestocx.ClickEvent(Sender: TObject);
begin
if FEvents <> nil then FEvents.OnClick;
end; procedure Tmytestocx.CreateEvent(Sender: TObject);
begin
if FEvents <> nil then FEvents.OnCreate;
end; procedure Tmytestocx.DblClickEvent(Sender: TObject);
begin
if FEvents <> nil then FEvents.OnDblClick;
end; procedure Tmytestocx.DeactivateEvent(Sender: TObject);
begin
if FEvents <> nil then FEvents.OnDeactivate;
end; procedure Tmytestocx.DestroyEvent(Sender: TObject);
begin
if FEvents <> nil then FEvents.OnDestroy;
end; procedure Tmytestocx.KeyPressEvent(Sender: TObject; var Key: Char);
var
TempKey: Smallint;
begin
TempKey := Smallint(Key);
if FEvents <> nil then FEvents.OnKeyPress(TempKey);
Key := Char(TempKey);
end; procedure Tmytestocx.PaintEvent(Sender: TObject);
begin
if FEvents <> nil then FEvents.OnPaint;
end; procedure Tmytestocx.Set_AutoScroll(Value: WordBool);
begin
AutoScroll := Value;
end; procedure Tmytestocx.Set_AutoSize(Value: WordBool);
begin
AutoSize := Value;
end; procedure Tmytestocx.Set_AxBorderStyle(Value: TxActiveFormBorderStyle);
begin
AxBorderStyle := TActiveFormBorderStyle(Value);
end; procedure Tmytestocx.Set_Caption(const Value: WideString);
begin
Caption := TCaption(Value);
end; procedure Tmytestocx.Set_Color(Value: OLE_COLOR);
begin
Color := TColor(Value);
end; procedure Tmytestocx.Set_Cursor(Value: Smallint);
begin
Cursor := TCursor(Value);
end; procedure Tmytestocx.Set_DoubleBuffered(Value: WordBool);
begin
DoubleBuffered := Value;
end; procedure Tmytestocx.Set_DropTarget(Value: WordBool);
begin
DropTarget := Value;
end; procedure Tmytestocx.Set_Enabled(Value: WordBool);
begin
Enabled := Value;
end; procedure Tmytestocx.Set_Font(const Value: IFontDisp);
begin
SetOleFont(Font, Value);
end; procedure Tmytestocx.Set_HelpFile(const Value: WideString);
begin
HelpFile := String(Value);
end; procedure Tmytestocx.Set_HelpKeyword(const Value: WideString);
begin
HelpKeyword := String(Value);
end; procedure Tmytestocx.Set_HelpType(Value: TxHelpType);
begin
HelpType := THelpType(Value);
end; procedure Tmytestocx.Set_KeyPreview(Value: WordBool);
begin
KeyPreview := Value;
end; procedure Tmytestocx.Set_PixelsPerInch(Value: Integer);
begin
PixelsPerInch := Value;
end; procedure Tmytestocx.Set_PrintScale(Value: TxPrintScale);
begin
PrintScale := TPrintScale(Value);
end; procedure Tmytestocx.Set_Scaled(Value: WordBool);
begin
Scaled := Value;
end; procedure Tmytestocx.Set_Visible(Value: WordBool);
begin
Visible := Value;
end; procedure Tmytestocx.Button1Click(Sender: TObject);
var img1:timgedit;
begin
img1:=timgedit.Create(self);
img1.Parent:=self;
img1.width:=self.width;
img1.Height:=self.height; end; procedure Tmytestocx.Button2Click(Sender: TObject);
begin
//ShellExecute(Handle, 'open', PChar('c:\1.gif'),nil, nil, SW_SHOW);
end; initialization
TActiveFormFactory.Create(
ComServer,
TActiveFormControl,
Tmytestocx,
Class_mytestocx,
1,
'',
OLEMISC_SIMPLEFRAME or OLEMISC_ACTSLIKELABEL,
tmApartment);
end.
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