COM ActiveX   3GL   4GL

ActiveX

ActiveX. , ActiveX.
ActiveX
, ActiveX Delphi . :
- ( TWinControl) ActiveX. , File/New (/), ActiveX ActiveX Control;
- ActiveX. , ActiveX ( ), ActiveForm.
ActiveX VCL Delphi
, ActiveX Delphi - VCL Delphi ActiveX.


, ActiveX Control ActiveX , TWinControl, Delphi ActiveX (DAX).

ActiveX Control. ActiveX Delphi (. 3.26).
:
1. VCL VCL Class Name ( VCL).


, , , VCL. , : , (, ); TWinControl; RegisterNonActiveX.

- , ActiveX (, TDBGrid, . . VCL- TDataSource), , ActiveX (, TTreeView, . . ActiveX).
2. ActiveX New ActiveX Name ( ActiveX), , Delphi .
3. ActiveX Implementation Unit ( ).
4. Project Name ( ).
5. Threading Model ( ).
6. :
 Include About Box ( " ") - , . Delphi;
 Include Version Information ( ) - ActiveX ( , , Visual Basic 4.0);
 Make Control Licensed ( ) - ( ). , , (Delphi, Visual Basic .). , LIC. ActiveX, ActiveX ( OCX).

3.26
. 3.26. VCL Delphi ActiveX
, , . : , . , ActiveX DLL, OCX (, , ).
, ActiveX :
- , VCL. , , VCL;
- ;
- VCL ;


, , , , , , . : Byte, Smallint, Integer, Single, Double, Currency, TDateTime, WideString, WordBool, PSafeArray, TDecimal, OleVariant, lUnknown, IDispatch. , TStrings, TPicture TFont. , IDispatch Dispinterface.

- , ;
- ActiveX. TActivexcontroi. , (forwarders) . ActiveX VCL, - VCL ActiveX.
3.7 ActiveX, TRichEdit.

3.7
library RichEditXControll;
uses
ComServ,
RichEditXControllJTLB in 'RichEditXControllJTLB.pas',
RichEditlmpll in 'RichEditlmpll.pas' {RichEditX: CoClass};
{$E ocx}
exports
DllGetClassObject, DllCanUnloadNow, DllRegisterServer, DllUnregisterServer;
{$R *.TLB}
{$R *.RES}
begin
end.

, . . .
3.8 ActiveX.

3.8
unit RichEditlmpll;
interface
uses
Windows, ActiveX, Classes, Controls, Graphics, Menus, Forms, StdCtrls, ComServ, StdVCL, AXCtrls, RichEditXControllJTLB, ComCtrls;
type
TRichEditX = class(TActiveXControl, IRichEditX)
private
{ Private declarations }
FDelphiControl: TRichEdit;
FEvents: IRicnEditXEvents;
procedure ChangeEvent(Sender: TObject);
procedure KeyPressEvent(Sender: TObject; var Key: Char);
procedure ProtectChangeEvent(Sender: TObject; StartPos, EndPos:
Integer;
var AllowChange: Boolean);
procedure SaveClipboardEvent(Sender: TObject; NumObjects, NumChars: Integer; var SaveClipboard: Boolean);
procedure SelectionChangeEvent(Sender: TObject);
protected
{ Protected declarations }
procedure DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage); override;
procedure EventSinkChanged(const EventSink: lUnknown); override;
procedure InitializeControl; override;
function Get_Alignment: TxAlignment; safecall;
function Get_BorderStyle: TxBorderStyle; safecall;
function Get_CanUndo: WordBool; safecall;
function Get_Color: OLE_COLOR; safecall;
function Get_Ctl3D: WordBool; safecall;
function Get_Cursor: Smallint; safecall;
function Get_DoubleBuffered: WordBool; safecall;
function Get_DragCursor: Smallint; safecall;
function Get_DragMode: TxDragMode; safecall;
function Get_Enabled: WordBool; safecall;
function Get_Font: IFontDisp; safecall;
function Get_HideScrollBars: WordBool; safecall;
function Get_HideSelection: WordBool; safecall;
function Get_ImeMode: TxImeMode; safecall;
function Get_ImeName: WideString; safecall;
function Get_Lines: IStrings; safecall;
function Get_MaxLength: Integer; safecall;
function Get_Modified: WordBool; safecall;
function Get_ParentColor: WordBool; safecall;
function Get_ParentCtl3D: WordBool; safecall;
function Get_PlainText: WordBool; safecall;
function Get_ReadOnly: WordBool; safecall;
function Get_ScrollBars: TxScrollStyle; safecall;
function Get_SelLength: Integer; safecall;
function Get_SelStart: Integer; safecall;
function Get_SelText: WideString; safecall;
function Get_Text: WideString; safecall;
function Get_Visible: WordBool; safecall;
function Get_VisibleDockClientCount: Integer; safecall;
function Get_WantReturns: WordBool; safecall;
function Get_WantTabs: WordBool; safecall;
function Get_WordWrap: WordBool; safecall;
procedure _Set_Font(const Value: IFontDisp); safecall;
procedure Set_Alignment(Value: TxAlignment); safecall;
procedure Set_BorderStyle(Value: TxBorderStyle); safecall;
procedure Set_Color(Value: OLE_COLOR); safecall;
procedure Set_Ctl3D(Value: WordBool); safecall;
procedure Set_Cursor(Value: Smallint); safecall;
procedure Set_DoubleBuffered(Value: WordBool); safecall;
procedure Set_DragCursor(Value: Smallint); safecall;
procedure Set_DragMode(Value: TxDragMode); safecall;
procedure Set_Enabled(Value: WordBool); safecall;
procedure Set_Font(var Value: IFontDisp); safecall;
procedure Set_HideScrollBars(Value: WordBool); safecall;
procedure Set_HideSelection(Value: WordBool); safecall;
procedure Set_ImeMode(Value: TxImeMode); safecall;
procedure Set_ImeName(const Value: WideString); safecall;
procedure Set_Lines(const Value: IStrings); safecall;
procedure Set_MaxLength(Value: Integer); safecall;
procedure Set_Modified (Value: WordBool); safecall;
procedure Set_ParentColor(Value: WordBool); safecall;
procedure Set_ParentCtl3D(Value: WordBool); safecall;
procedure Set_PlainText(Value: WordBool); safecall;
procedure Set_ReadOnly(Value: WordBool); safecall;
procedure Set_ScrollBars(Value: TxScrollStyle); safecall;
procedure Set_SelLength(Value: Integer); safecall;
procedure Set_SelStart(Value: Integer); safecall;
procedure Set_SelText(const Value: WideString); safecall;
procedure Set_Text(const Value: WideString); safecall;
procedure Set_Visible(Value: WordBool); safecall;
procedure Set_WantReturns(Value: WordBool); safecall;
procedure Set_WantTabs(Value: WordBool); safecall;
procedure Set_WordWrap(Value: WordBool); safecall;
end;
implementation
uses ComObj;
{ TRichEditX }
procedure TRichEditX.DefinePropertyPages(DefinePropertyPage: TDefinePropertyPage);
begin
{TODO: . DefinePropertyPage .
, DefinePropertyPage(Class_RichEditXPage); }
end;
procedure TRichEditX.EventSinkChanged(const EventSink: lUnknown);
begin
FEvents := EventSink as IRichEditXEvents;
end;
procedure TRichEditX.InitialiZeControl;
begin
FDelphiControl :=* Control as TRichEdit;
FDelphiControl.OnChange := ChangeEvent;
FDelphiControl.OnKeyPress := KeyPressEvent;
FDelphiControl.OnProtectChange := ProtectChangeEvent;
FDelphiControl.OnSaveClipboard := SaveClipboardEvent;
FDelphiControl.OnSelectionChange := SelectionChangeEvent;
end;
function TRichEditX.Get_Alignment: TxAlignment;
begin
Result := Ord(FDelphiControl.Alignment);
end;
function TRichEditX.Get_BorderStyle: TxBorderStyle;
begin
Result := Ord(FDelphiControl.BorderStyle);
end;
function TRichEditX.Get_CanUndo: WordBool;
begin
Result := FDelphiControl.CanUndo;
end;
function TRichEditX.Get_Color: OLE_COLOR;
begin
Result := OLE_COLOR(FDelphiControl.Color);
end;
function TRichEditX.Get_Ctl3D: WordBool;
begin
Result := FDelphiControl.Ctl3D;
end;
function TRichEditX.Get_Cursor: Smallint;
begin
Result := Smallint(FDelphiControl.Cursor);
end;
function TRichEditX.Get_DoubleBuffered: WordBool;
begin
Result := FDelphiControl.DoubleBuffered;
end;
function TRichEditX.Get_DragCursor: Smallint;
begin
Result := Smallint(FDelphiControl.DragCursor);
end;
function TRichEditX.Get_DragMode: TxDragMode;
begin
Result := Ord(FDelphiControl.DragMode);
end;
function TRichEditX.Get_Enabled: WordBool;
begin
Result := FDelphiControl.Enabled;
end;
function TRichEditX.Get_Font: IFontDisp;
begin
GetOleFont(FDelphiControl.Font, Result) ;
end;
function TRichEditX.Get_HideScrollBars: WordBool;
begin
Result := FDelphiControl.HideScrollBars;
end;
function TRichEditX.Get_HideSelection: WordBool;
begin
Result := FDelphiControl.HideSelection;
end;
function TRichEditX.Get_ImeMode: TxImeMode;
begin
Result := Ord(FDelphiControl.ImeMode);
end;
function TRichEditX.Get_ImeName: WideString;
begin
Result := WideString(FDelphiControl.ImeName);
end;
function TRichEditX.Get_Lines: IStrings;
begin
GetOleStrings(FDelphiControl.Lines, Result);
end;
function TRichEditX.Get_MaxLength: Integer;
begin
Result := FDelphiControl.MaxLength;
end;
function TRichEditX.Get_Modified: WordBool;
begin
Result := FDelphiControl.Modified;
end;
function TRichEditX.Get_ParentColor: WordBool;
begin
Result := FDelphiControl.ParentColor;
end;
function TRichEditX.Get_ParentCtl3D: WordBool;
begin
Result := FDelphiControl.ParentCtlSD;
end;
function TRichEditX.Get_PlainText: WordBool;
begin
Result := FDelphiControl.Plaintext;
end;
function TRichEditX.Get_ReadOnly: WordBool;
begin
Result := FDelphiControl.Readonly;
end;
function TRichEditX.Get_ScrollBars: TxScrollStyle;
begin
Result := Ord(FDelphiControl.ScrollBars);
end;
function TRichEditX.Get_SelLength: Integer;
begin
Result := FDelphiControl.SelLength;
end;
function TRichEditX,Get_SelStart: Integer;
begin
Result := FDelphiControl.SelStart;
end;
function TRichEditX.Get_SelText: WideString;
begin
Result := WideString(FDelphiControl.SelText);
end;
function TRichEditX.Get_Text: WideString;
begin
Result := WideString(FDelphiControl.Text);
end;
function TRichEditX.Get_Visible: WordBool;
begin
Result := FDelphiControl.Visible;
end;
function TRichEditX.Get_VisibleDockClientCount: Integer;
begin
Result := FDelphiControl.VisibleDockClientCount;
end;
function TRichEditX.Get_WantReturns: WordBool;
begin
Result := FDelphiControl.WantReturns;
end;
function TRichEditX.Get_WantTabs: WordBool;
begin
Result := FDelphiControl.WantTabs;
end;
function TRichEditX.Get_WordWrap: WordBool;
begin
Result := FDelphiControl.Wordwrap;
end;
procedure TRichEditX._Set_Font(const Value: IFontDisp);
begin
SetOleFont(FDelphiControl.Font, Value);
end;
procedure TRichEditX.ChangeEvent(Sender: TObject);
begin
if FEvents <> nil then FEvents.OnChange;
end;
procedure TRichEditX.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 TRichEditX.ProtectChangeEvent(Sender: TObject; StartPos, EndPos: Integer; var AllowChange: Boolean);
var
TempAllowChange: WordBool;
begin
TempAllowChange := WordBool(AllowChange);
if FEvents <> nil then FEvents.OnProtectChange(StartPos, EndPos, TempAllowChange);
AllowChange := Boolean(TempAllowChange);
end;
procedure TRichEditX.SaveClipboardEvent(Sender: TObject; NumObjects, NumChars: Integer; var SaveClipboard: Boolean);
var
TempSaveClipboard: WordBool;
begin
TempSaveClipboard := WordBool(SaveClipboard);
if FEvents <> nil then FEvents.OnSaveClipboard(NumObjects, NumChars, TempSaveClipboard); SaveClipboard := Boolean(TempSaveClipboard);
end;
procedure TRichEditX.SelectionChangeEvent(Sender: TObject);
begin
if FEvents <> nil then FEvents.OnSelectionChange;
end;
procedure TRichEditX.Set_Alignment(Value: TxAlignment);
begin
FDelphiControl.Alignment := TAlignment(Value) ;
end;
procedure TRichEditX.Set_BorderStyle(Value: TxBorderStyle);
begin
FDelphiControl.BorderStyle := TBorderStyle(Value);
end;
procedure TRichEditX.Set_Color(Value: OLE_COLOR);
begin
FDelphiControl.Color := TColor(Value);
end;
procedure TRichEditX.Set_Ctl3D(Value: WordBool);
begin
FDelphiControl.Ctl3D := Value;
end;
procedure TRichEditX.Set_Cursor(Value: Smallint);
begin
FDelphiControl.Cursor := TCursor(Value);
end;
procedure TRichEditX.Set_DoubleBuffered(Value: WordBool);
begin
FDelphiControl.DoubleBuffered := Value;
end;
procedure TRichEditX.Set_DragCursor(Value: Smallint);
begin
FDelphiControl.DragCursor := TCursor(Value);
end;
procedure TRichEditX.Set_DragMode(Value: TxDragMode);
begin
FDelphiControl.DragMode := TDragMode(Value);
end;
procedure TRichEditX.Set_Enabled(Value: WordBool);
begin
FDelphiControl.Enabled := Value;
end;
procedure TRichEditX.Set_Font(var Value: IFontDisp);
begin
SetOleFont(FDelphiControl.Font, Value);
end;
procedure TRichEditX.SetJHideScrollBars(Value: WordBool);
begin
FDelphiControl.HideScrollBars := Value;
end;
procedure TRichEditX.Set_HideSelection(Value: WordBool);
begin
FDelphiControl.HideSelection := Value;
end;
procedure TRichEditX.Set_ImeMode(Value: TxImeMode);
begin
FDelphiControl.ImeMode := TImeMode(Value);
end;
procedure TRichEditX.Set_ImeName(const Value: WideString);
begin
FDelphiControl.ImeName := TImeName(Value);
end;
procedure TRichEditX.Set_Lines(const Value: IStrings);
begin
SetOleStrings(FDelphiControl.Lines, Value);
end;
procedure TRichEditX.Set_MaxLength(Value: Integer);
begin
FDelphiControl.MaxLength := Value;
end;
procedure TRichEditX.Set_Modified(Value: WordBool);
begin
FDelphiControl.Modified := Value;
end;
procedure TRichEditX.Set_ParentColor(Value: WordBool);
begin
FDelphiControl.ParentColor := Value;
end;
procedure TRichEditX.Set_ParentCtl3D(Value: WordBool);
begin
FDelphiControl.ParentCtl3D := Value;
end;
procedure TRichEditX.Set_PlainText(Value: WordBool);
begin
FDelphiControl.PlainText := Value;
end;
procedure TRichEditX.Set_ReadOnly(Value: WordBool);
begin
FDelphiControl.Readonly := Value;
end;
procedure TRichEditX.Set_ScrollBars(Value: TxScrollStyle);
begin
FDelphiControl.ScrollBars := TScrollStyle(Value);
end;
procedure TRichEditX.Set_SelLength(Value: Integer);
begin
FDelphiControl.SelLength := Value;
end;
procedure TRichEditX.Set_SelStart(Value: Integer);
begin
FDelphiControl.SelStart := Value;
end;
procedure TRichEditX.Set_SelText(const Value: WideString);
begin
FDelphiControl.SelText := String(Value);
end;
procedure TRichEditX.Set_Text(const Value: WideString};
begin
FDelphiControl.Text := TCaption(Value);
end;
procedure TRichEditX.Set_Visible(Value: WordBool);
begin
FDelphiControl.Visible := Value;
end;
procedure TRichEditX.Set_WantReturns(Value: WordBool);
begin
FDelphiControl.WantReturns := Value;
end;
procedure TRichEditX.Set_WantTabs(Value: WordBool);
begin
FDelphiControl.WantTabs := Value;
end;
procedure TRichEditX.Set_WordWrap(Value: WordBool);
begin
FDelphiControl.Wordwrap := Value;
end;
initialization
TActiveXControlFactory.Create (ComServer, TRichEditX,TRichEdit,Class_RichEditX,
1,
''
0,
tmApartment);
end.

TRichEditx TActivexcontrol. Delphi TRichEdit , .
. 3.27 ActiveX. 3.9 .

3.27
. 3.27. RichEdit

3.9
unit RichEditXControllJTLB;
//
// , ,
// . (
// )
// 'Refresh' Type Library Editor
// ,
// , .
*****************************************************
// PASTLWTR : $Revision: 1.88 $
// 15.02.2001 18:30:46 , .
*****************************************************
// Type Lib: C:\Program
Files\Borland\Delphi5\Projects\!!!\RichEditXControll.tlb (1)
// IIDXLCID: {B1F514E7-E8BO-49B5-A6C3-F7F4910CFF9D}\0
// Helpfile:
// DepndLst:
// (1) v2.0 stdole, (C:\WINDOWS\SYSTEM\stdole2.tlb)
// (2) v4.0 StdVCL, (C:\WINDOWS\SYSTEM\STDVCL40.DLL)
*****************************************************
{$TYPEDADDRESS OFF} //
// ,
interface
uses Windows, ActiveX, Classes, Graphics, OleServer, OleCtrls, StdVCL;
//***********************************************
// GUIDS TypeLibrary. :
// Type Libraries : LIBID_xxxx
// CoClasses : CLASS_xxxx
// DISPInterfaces : DIID_xxxx
// Non-DISP interfaces: IID_xxxx
//***********************************************
const
RichEditXControllMajorVersion = 1; RichEditXControllMinorVersion =0; '
LIBID_RichEditXControll: TGUID = '{B1F514E7-E8BO-49B5-A6C3-F7F4910CFF9D}';
IID_IRichEditX: TGUID = '{86F5C46C-CDA6-4279-8BF4-F69F1A051ED7}';
DIID_IRichEditXEvents: TGUID = '{21AB5F94-7D87-4FCO-AB5A-9BCE1D05AF8B} ' ;
CLASS_RichEditX: TGUID = '{7C731EEO-D98D-4040-8FE1-EOCB9E54C58B}';
//***********************************************
// ,
//***********************************************
// TxAlignment
type
TxAlignment = TOleEnum;
const
taLeftJustify = $00000000;
taRightJustify = $00000001;
taCenter = $00000002;
// TxBorderStyle
type
TxBorderStyle = TOleEnum;
const
bsNone = $00000000;
bsSingle = $00000001;
// TxDragMode
type
TxDragMode = TOleEnum;
const
dmManual = $00000000;
dmAutomatic = $00000001;
// TxImeMode
type
TxImeMode = TOleEnum;
const
imDisable = $00000000;
imClose = $00000001;
imOpen = $00000002;
imDontCare = $00000003;
imSAlpha = $00000004;
imAlpha = $00000005;
imHira = $00000006;
imSKata = $00000007;
imKata = $00000008;
imChinese = $00000009;
imSHanguel = $OOOOOOOA;
imHanguel = $OOOOOOOB;
// TxScrollStyle
type
TxScrollStyle = TOleEnum;
const
ssNone = $00000000;
ssHorizontal = $00000001;
ssVertical = $00000002;
ssBoth = $00000003;
// TxMouseButton
type
TxMouseButton = TOleEnum;
const
mbLeft = $00000000;
mbRight = $00000001;
mbMiddle = $00000002;
type
// ,
//***********************************************
IRichEditX = interface;
IRichEditXDisp = dispinterface;
IRichEditXEvents = dispinterface;
//***********************************************
// CoClasses,
//***********************************************
RichEditX = IRichEditX;
//***********************************************
// , .
//***********************************************
PPUserTypel = AIFontDisp; {*}
//***********************************************
// Interface: IRichEditX
// Flags: (4416) Dual OleAutomation Dispatchable
// GUID: {86F5C46C-CDA6-4279-8BF4-F69F1A051ED7}
//***********************************************
IRichEditX = interface(IDispatch)
['{86F5C46C-CDA6-4279-8BF4-F69F1A051ED7}']
function Get_Alignment: TxAlignment; safecall;
procedure Set_Alignment(Value: TxAlignment); safecall;
function Get_BorderStyle: TxBorderStyle; safecall;
procedure Set_BorderStyle(Value: TxBorderStyle); safecall;
function Get_Color: OLE_COLOR; safecall;
procedure Set_Color(Value: OLE_COLOR); safecall;
function Get_Ctl3D: WordBool; safecall;
procedure Set_Ctl3D(Value: WordBool); safecall;
function Get_DragCursor: Smallint; safecall;
procedure Set__DragCursor'(Value: Smallint); safecall;
function Get_DragMode: TxDragMode; safecall;
procedure Set_DragMode(Value: TxDragMode); safecall;
function Get_Enabled: WordBool; safecall;
procedure Set_Enabled(Value: WordBool); safecall;
function Get_Font: .IFontDisp; safecall;
procedure _Set_Font(const Value: IFontDisp); safecall;
procedure Set_Font(var Value: IFontDisp); safecall;
function Get_HideSelection: WordBool; safecall;
procedure Set_HideSelection(Value: WordBool); safecall;
function Get_HideScrollBars: WordBool; safecall;
procedure Set_HideScrollBars(Value: WordBool); safecall;
function Get_ImeMode: TxImeMode; safecall;
procedure Set_ImeMode(Value: TxImeMode); safecall;
function Get_ImeName: WideString; safecall;
procedure Set_ImeName(const Value: WideString}; safecall;
function Get_Lines: IStririgs; safecall;
procedure Set_Lines(const Value: IStrings); safecall;
function Get_MaxLength: Integer; safecall;
procedure Set_MaxLength(Value: Integer); safecall;
function Get_ParentColor: WordBool; safecall;
procedure Set_ParentColor(Value: WordBool); safecall;
function Get_ParentCtl3D: WordBool; safecall;
procedure Set_ParentCtl3D(Value: WordBool); safecall;
function Get_PlainText: WordBool; safecall;
procedure Set_PlainText(Value: WordBool); safecall;
function Get_ReadOnly: WordBool; safecall;
procedure Set_ReadOnly(Value: WordBool); safecall;
function Get_ScrollBars: TxScrollStyle; safecall;
procedure Set_ScrollBars(Value: TxScrollStyle); safecall;
function Get_Visible: WordBool; safecall;
procedure Set_Visible(Value: WordBool); safecall;
function Get_WantTabs: WordBool; safecall;
procedure Set_WantTabs(Value: WordBool); safecall;
function Get_WantReturns: WordBool; safecall;
procedure Set_WantReturns(Value: WordBool); safecall;
function Get_WordWrap: WordBool; safecall;
procedure Set_WordWrap(Value: WordBool); safecall;
function Get_CanUndo: WordBool; safecall;
function Get_Modified: WordBool; safecall;
procedure Set_Modifled(Value: WordBool); safecall;
function Get_SelLength: Integer; safecall;
procedure Set_SelLength(Value: Integer); safecall;
function Get_SelStart: Integer; safecall;
procedure Set_SelStart(Value: Integer); safecall;
function Get_SelText: WideString; safecall;
procedure Set_SelText(const Value: WideString); safecall;
function GetJText: WideString; safecall;
procedure Set_Text(const Value:.WideString); safecall;
function Get_DoubleBuffered: WordBool; safecall;
procedure Set_DoubleBuffered(Value: WordBool); safecall;
function Get_VisibleDockClientCount: Integer; safecall;
function Get_Cursor: Smallint; safecall;
procedure Set_Cursor(Value: Smallint); safecall;
property Alignment: TxAlignment read Get_Alignment write Set_Alignment ;
property BorderStyle: TxBorderStyle read Get_BorderStyle write Set_BorderStyle;
property Color: OLE_COLOR read Get_Color write Set_Color,;
property CtlSD: WordBool read Get_Ctl3D write Set_Ctl3D;
property DragCursor: Smallint read Get_DragCursor write Set_DragCursor;
property DragMode: TxDragMode read Get_DragMode write Set_DragMode;
property Enabled: WordBool read Get_Enabled write Set_Enabled;
property Font: IFontDisp read Get_Font write _Set_Font;
property HideSelection: WordBool read Get_HideSelection write Set_HideSelection;
property HideScrollBars: WordBool read Get_HideScrollBars write Set_HideScrollBars;
property ImeMode: TxImeMode read Get_ImeMode write Set_ImeMode;
property ImeName: WideString read Get_ImeName write Set_ImeName;
property Lines: IStrings read Get_Lines write Set_Lines;
property MaxLength: Integer read Get_MaxLength write Set_MaxLength;
property ParentColor: WordBool read Get_ParentColor write Set_ParentColor;
property ParentCtlSD: WordBool read Get_ParentCtl3D write Set_ParentCtl3D;
property PlainText: WordBool read Get_PlainText write Set_PlainText;
property Readonly: WordBool read Get_ReadOnly write Set_ReadOnly;
property ScrollBars: TxScrollStyle read Get_ScrollBars write Set_ScrollBars;
property Visible: WordBool read Get_Visible write Set_Visible;
property WantTabs: WordBool read Get_WantTabs write Set_WantTabs;
property WantReturns: WordBool read Get_WantReturns write SetJWantReturns;
property Wordwrap: WordBool read Get_WordWrap write Set_WordWrap;
property CanUndo: WordBool read Get_CanUndo;
property Modified: WordBool read Get__Modified write Set_Modified;
property SelLength: Integer read Get_SelLength write Set_SelLength;
property SelStart: Integer read Get_SelStart write Set_SelStart;
property SelText: WideString read Get_SelText write Set_SelText;
property Text: WideString read Get_Text write Set_Text;
property DoubleBuffered: WordBool read Get_DoubleBuffered write Set_DoubleBuffered;
property VisibleDockClientCount: Integer read Get_VisibleDockClientCoxint;
property Cursor: Smallint read Get_Cursor write Set_Cursor;
end;
//***********************************************
// Displntf: IRichEditXDisp
// Flags: (4416) Dual OleAutomation Dispatchable
// GUID: {86F5C46C-CDA6-4279-8BF4-F69F1A051ED7}
//***********************************************
IRichEditXDisp = dispinterface
['{86F5C46C-CDA6-4279-8BF4-F69F1A051ED7}']
property Alignment: TxAlignment dispid 1;
property BorderStyle: TxBorderStyle dispid 2;
property Color: OLE_COLOR dispid -501;
property Ctl3D: WordBool dispid 3;
property DragCursor: Smallint dispid 4;
property DragMode: TxDragMode dispid 5;
property Enabled: WordBool dispid -514;
property Font: IFontDisp dispid -512;
property HideSelection: WordBool dispid 6;
property HideScrollBars: WordBool dispid 7;
property ImeMode: TxImeMode dispid 8;
property ImeName: WideString dispid 9;
property Lines: IStrings dispid 10;
property MaxLength: Integer dispid 11;
property ParentColor: WordBool dispid 12;
property ParentCtl3D: WordBool dispid 13;
property PlainText: WordBool dispid 14;
property Readonly: WordBool dispid 15;
property ScrollBars: TxScrollStyle dispid 16;
property Visible: WordBool dispid 17;
property WantTabs: WordBool dispid 18;
property WantReturns: WordBool dispid 19;
property Wordwrap: WordBool dispid 20;
property CanUndo: WordBool readonly dispid 34;
property Modified: WordBool dispid 35;
property SelLength: Integer dispid 36;
property SelStart: Integer dispid 37;
property SelText: WideString dispid 38;
property Text: WideString dispid -517;
property DoubleBuffered: WordBool dispid 39;
property VisibleDockClientCount: Integer readonly dispid 40;
property Cursor: Smallint dispid 49;
end;
//***********************************************
// Displntf: IRichEditXEvents
// Flags: (0)
// QUID: {21AB5F94-7D87-4FCO-AB5A-9BCE1D05AF8B}
//***********************************************
IRichEditXEvents = dispinterface
['{21AB5F94-7D87-4FCO-AB5A-9BCE1D05AF8B}']
procedure OnChange; dispid 1;
procedure OnKeyPress(var Key: Smallint); dispid 8;
procedure OnProtectChange(StartPos: Integer; EndPos: Integer; var AllowChange: WordBool); dispid 16;
procedure OnSaveClipboardfNumObjects: Integer; NumChars: Integer; var SaveClipboard: WordBool); dispid 18;
procedure OnSelectionChange; dispid 19;
end;

// OLE Control Proxy
// Control Name TRichEditX
// Help String RichEditX Control
// Default Interface IRichEditX
// Def. Intf. DISP? No
// Event Interface IRichEditXEvents
// TypeFlags (34) CanCreate Control
//***********************************************
TRichEditXOnKeyPress = procedure(Sender: TObject; var Key: Smallint) of object;
TRichEditXOnProtectChange = procedure(Sender: TObject; StartPos: Integer; EndPos: Integer;
var AllowChange: WordBool) of object;
TRichEditXOnSaveClipboard = procedure(Sender: TObject; NumObjects: Integer; NumChars-: Integer;
var SaveClipboard: WordBool) of object;
TRichEditX = class(Telecontrol)
private
FOnChange: TNotifyEvent;
FOnKeyPress: TRichEditXOnKeyPress;
FOnProtectChange: TRichEditXOnProtectChange;
FOnSaveClipboard: TRichEditXOnSaveClipboard;
FOnSelectionChange: TNotifyEvent;
FIntf: IRichEditX;
function GetControlInterface: IRichEditX;
protected
procedure CreateControl;
procedure InitControlData; override/function Get_Lines: IStrings;
procedure Set_Lines(const Value: IStrings);
public
property Controllnterface: IRichEditX read GetControlInterface;
property Defaultlnterface: IRichEditX read GetControlInterface;
property CanUndo: WordBool index 34 read GetWordBoolProp;
property Modified: WordBool index 35 read GetWordBoolProp write SetWordBoolProp;
property SelLength: Integer index 36 read GetlntegerProp write SetlntegerProp;
property SelStart: Integer index 37 read GetlntegerProp write SetlntegerProp;
property SelText: WideString index 38 read GetWideStringProp write SetWideStringProp;
property Text: WideString index -517 read GetWideStringProp write SetWideStringProp;
property DoubleBuffered: WordBool index 39 read GetWordBoolProp write SetWordBoolProp;
property VisibleDockClientCount: Integer index 40 read GetlntegerProp;
published
property Alignment: TOleEnum index 1 read GetTOleEnumProp write SetTOleEnumProp stored False;
property BorderStyle: TOleEnum index 2 read GetTOleEnumProp write SetTOleEnumProp stored False;
property Color: TColor index -501 read GetTColorProp write SetTColorProp stored False;
property Ctl3D: WordBool index 3 read GetWordBoolProp write SetWordBoolProp stored False;
property DragCursor: Smallint index 4 read GetSmallintProp write SetSmallintProp stored False property DragMode: TOleEnum index 5 read GetTOleEnumProp write SetTOleEnumProp stored False;
property Enabled: WordBool index -514 read GetWordBoolProp write SetWordBoolProp stored False;
property Font: TFont index -512 read GetTFontProp write SetTFontProp stored False;
property HideSelection; WordBool index 6 read GetWordBoolProp write SetWordBoolProp stored False;
property HideScrollBars: WordBool index 7 read GetWordBoolProp write SetWordBoolProp stored False;
property ImeMode: TOleEnum index 8 read GetTOleEnumProp write SetTOleEnumProp stored False;
property ImeName: WideString index 9 read GetWideStringProp write SetWideStringProp stored False;
property Lines: IStrings read Get_Lines write Set_Lines stored False property MaxLength: Integer index 11 read GetlntegerProp write SetlntegerProp stored False
property ParentColor: WordBool index 12 read GetWordBoolProp write SetWordBoolProp stored False;
property ParentCtlSD: WordBool index 13 read GetWordBoolProp write SetWordBoolProp stored False;
property PlainText: WordBool index 14 read GetWordBoolProp write SetWordBoolProp stored False;
property Readonly: WordBool index 15 read GetWordBoolProp write SetWordBoolProp stored False;
property ScrollBars: TOleEnum index 16 read GetTOleEnumProp write SetTOleEnumProp stored False;
property Visible: WordBool index 17 read GetWordBoolProp write SetWordBoolProp stored False;
property WantTabs: WordBool index 18 read GetWordBoolProp write SetWordBoolProp stored False;
property WantReturns: WordBool index 19 read GetWordBoolProp write SetWordBoolProp stored False;
property Wordwrap: WordBool index 20 read GetWordBoolProp write SetWordBoolProp stored False;
property Cursor: Smallint index 49 read GetSmallintProp write SetSmallintProp stored False;
property OnChange: TNotifyEvent read FOnChange write FOnChange;
property OnKeyPress: TRichEditXOnKeyPress read FOnKeyPress write FOnKeyPress;
property OnProtectChange: TRichEditXOnProtectChange read FOnProtectChange write FOnProtectChange;
property OnSaveClipboard: TRichEditXOnSaveClipboard read FOnSaveClipboard write FOnSaveClipboard;
property OnSelectionChange: TNotifyEvent read FOnSelectionChange write FOnSelectionChange;
end;
procedure Register; implementation uses ComObj;
procedure TRichEditX.InitControlData; const
CEventDispIDs: array [0..4] of DWORD = (
$00000001, $00000008, $00000010, $00000012, $00000013); CTFontlDs: array [0..0] of DWORD = (
$FFFFFEOO); CControlData: TControlData2 = (
ClassID: '{7C731EEO-D98D-4040-8FE1-EOCB9E54C58B}';
EventHD: '{21AB5F94-7D87-4FCO-AB5A-9BCE1D05AF8B}';
EventCount: 5;
EventDispIDs: @CEventDispIDs;
LicenseKey: nil (*HR:$80040154*);
Flags: $00000020;
Version: 401;
FontCount: 1;
FontlDs: @CTFontIDs);
begin
ControlData := @CControlData;
TControlData2(CControlData).FirstEventOfs := Cardinal(SSFOnChange) - Cardinal(Self);
end;
procedure TRichEditX.CreateControl;
procedure DoCreate;
begin
FIntf := lUnknown(OleObject) as IRichEditX;
end;
begin
if FIntf = nil then DoCreate;
end;
function TRichEditX.GetControlInterface: IRichEditX;
begin
CreateControl;
Result := FIntf;
end;
function TRichEditX.Get_Lines: IStrings;
begin
Result := DefaultInterface.Get_Lines;
end;
procedure TRichEditX.Set_Lines(const Value: IStrings);
begin
Defaultlnterface.Set_Lines(Value);
end;
procedure Register;
begin
RegisterComponents('ActiveX',[TRichEditX]);
end;
end.

, . , Delphi , ActiveX ActiveX . ActiveX , , !
Delphi :
1. Project/Compile < > (/ < >), OCX.
2. Component/Import ActiveX Control (/ ActiveX) ActiveX.
3. ActiveX Add (), , OCX, , ActiveX.
4. Install ().
5. .
Delphi ActiveX.
, ActiveX Delphi . ActiveX , .
ActiveX
ActiveX. ActiveForms.
ActiveX . :
1. ActiveForm. File/New (/), ActiveX ActiveForm. (. 3.28).
, VCL Delphi ActiveX. . VCL Class Name ( VCL) TActiveForm.

3.28
. 3.28. ActiveForm
2. New ActiveX Name ( ActiveX) ActiveX. MyForm, ( ActiveX Control).
3. ActiveX ( , ). MyForm . , , .
MyForm Cm, . 3.29.

3.29
. 3.29. MyForm
items , . items , . , , - .
, ActiveX. , . . , . .
IMyForm . , , Month Day. View/Type Library (/ ). , IMyForm Month Day (. 3.30).
MyFormImpl1. Refresh Implementation ( ) . , - ( 3.10).

.10
function TMyForm.Get_Day: Integer;
begin
end;
function TMyForm.Get_Month: Integer;
begin
end;
procedure TMyForm.Set_Day(Value: Integer);
begin
end;
procedure TMyForm.Set_Month(Value: Integer);
begin
end;


3.30
. 3.30. IMyForm Month Day
, Get set. Get , . Set .
( 3.11):

3.11
function TMyForm.Get_Day: Integer;
begin
Result:=ComboBox2.Itemlndex;
end;
function TMyForm.Get_Month: Integer;
begin
Result: =ComboBoxl. Itemlndex;
end;
procedure TMyForm.Set_Day(Value: Integer);
begin
ComboBox2.Itemlndex:=value;
end;
procedure TMyForm.Set_Month(Value: Integer);
begin
ComboBoxl.Itemlndex:=value;
end;

Day Month integer, .
. ActiveX . ( , ).
ActiveX . . ActiveX MyForm. , Edit (. 3.31).

3.31
. 3.31. , ActiveX MyForm
3.12 , . 3.31.

3.12
unit Unitl;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, OleCtrls, MyFormProjlJTLB;
type
TForml = class(TForm)
MyForml: TMyForm;
GetMonth: TButton;
Editl: TEdit;
GetDay: TButton;
Edit2: TEdit;
SetMonth: TButton;
SetDay: TButton;
Label1: TLabel;
Label2: TLabel;
procedure GetMonthClick(Sender: TObject);
procedure GetDayClick(Sender: TObject);
procedure SetMonthClick(Sender: TObject)';
procedure SetDayClick(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Forml: TForml;
implementation {$R *.DFM}
procedure TForml.GetMonthClick(Sender: TObject);
begin
Editl.Text:=IntToStr(MyForml.Month+1);
end;
procedure TForml.GetDayClick(Sender: TObject);
begin
Edit2.Text:=IntToStr(MyForml.Day+1);
end;
procedure TForml.SetMonthClick(Sender: TObject);
begin
MyForml.Month:=StrToInt(Edit1.Text)-1;
end;
procedure TForml.SetDayClick(Sender: TObject);
begin
MyForml.Day:=StrToInt(Edit2.Text)-1;
end;
end.

, (GetMonth GetDay), MyForm (. . Cm , ) Edit. (setMonth setDay) Edit ActiveX. MyForm.
. 3.32.

3.32
. 3.32. , ActiveX

  COM ActiveX   3GL   4GL

, (. snippet , ) , . , . , , . (IDE) . , Microsoft Visual Studio, Borland Developer Studio, . IDE Geany snippets.conf ( : /home/user/.config/geany) . , Macromedia Dreamweaver Zend Studio, -.
{DATA}




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