COM from scratch - PART ONE

Aria Ansari

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17 Apr 2004CPOL13 min read

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An article about COM.

demoapp.zip
- ComDemo.exe
partonesources.zip
- part_one
  - ClientandComponnent.cpp
  - Debug
  - part_one.dsp
  - part_one.dsw
- part_one_improved
  - ClientandComponnent.cpp
  - Debug
  - part_one.dsp
  - part_one.dsw
demoappsource.zip
- ComDemo
  - ComDemo.clw
  - ComDemo.cpp
  - ComDemo.dsp
  - ComDemo.dsw
  - ComDemo.h
  - ComDemo.rc
  - ComDemoDoc.cpp
  - ComDemoDoc.h
  - ComDemoView.cpp
  - ComDemoView.h
  - Comp1
    - Comp1.clw
    - Comp1.cpp
    - Comp1.def
    - Comp1.dsp
    - Comp1.dsw
    - Comp1.rc
    - Component1Wnd.cpp
    - Component1Wnd.h
    - ComponentWndMenu.cpp
    - ComponentWndMenu.h
    - Debug
    - icon1.ico
    - interface.h
    - ReadMe.txt
    - Release
    - res
      - Comp1.rc2
    - resource.h
    - StdAfx.cpp
    - StdAfx.h
  - Comp2
    - Comp2.clw
    - Comp2.cpp
    - Comp2.def
    - Comp2.dsp
    - Comp2.dsw
    - Comp2.rc
    - Component2Wnd.cpp
    - Component2Wnd.h
    - ComponentWndMenu.cpp
    - ComponentWndMenu.h
    - Debug
    - interface.h
    - ReadMe.txt
    - Release
    - res
      - Comp2.rc2
    - Resource.h
    - StdAfx.cpp
    - StdAfx.h
  - Comp3
    - Comp3.clw
    - Comp3.cpp
    - Comp3.def
    - Comp3.dsp
    - Comp3.dsw
    - Comp3.rc
    - Component3Wnd.cpp
    - Component3Wnd.h
    - ComponentWndMenu.cpp
    - ComponentWndMenu.h
    - Debug
    - interface.h
    - ReadMe.txt
    - res
      - Comp3.rc2
    - Resource.h
    - StdAfx.cpp
    - StdAfx.h
  - Debug
  - MainFrm.cpp
  - MainFrm.h
  - ReadMe.txt
  - readme2.txt
  - Release
  - res
    - bitmap1.bmp
    - bitmap2.bmp
    - bitmap3.bmp
    - bitmap4.bmp
    - bitmap5.bmp
    - bitmap6.bmp
    - bitmap7.bmp
    - bitmap8.bmp
    - bitmap9.bmp
    - bmp00001.bmp
    - bmp00002.bmp
    - bmp00003.bmp
    - bmp00004.bmp
    - bmp00005.bmp
    - bmp00006.bmp
    - butterfl.ico
    - com.bmp
    - ComDemo.ico
    - ComDemo.rc2
    - ComDemoDoc.ico
    - ico00001.ico
    - ico00002.bmp
    - ico00002.ico
    - ico00003.ico
    - ico00004.ico
    - icon1.ico
    - Toolbar.bmp
  - resource.h
  - StdAfx.cpp
  - StdAfx.h
- readme.txt
- registerdlls.reg


//IID and CLSID for Component 2


extern "C" const IID IID_IComponent2 ;
extern "C" const CLSID CLSID_Component2 ;

// {6FE2F675-F248-46ea-81C4-67DD90014A2E}
extern "C" const IID IID_IComponent2= 
{ 0x6fe2f675, 0xf248, 0x46ea, { 0x81, 0xc4, 0x67, 0xdd, 0x90, 0x1, 0x4a, 0x2e } };

// {82CC39BB-9A84-4000-9D38-8879CB42B518}
extern "C" const GUID CLSID_Component2= 
{ 0x82cc39bb, 0x9a84, 0x4000, { 0x9d, 0x38, 0x88, 0x79, 0xcb, 0x42, 0xb5, 0x18 } };

interface IComponent2 : IUnknown
{
 
	virtual void __stdcall DefineWindow_Com2(bool inner)=0;
    virtual void __stdcall ShowWndBackground_Com2(COLORREF bgcolor)=0;
    virtual IUnknown* __stdcall Queryitself2()=0;
    virtual void __stdcall MenuitemNotselected2()=0;
    virtual void __stdcall StopFlying()=0;
    virtual void __stdcall StartFlying()=0;
} ;

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Aria Ansari

Software Developer

Denmark

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COM from scratch - PART ONE

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