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A Simple XPCOM Tutorial

, 30 Jun 2010
Step by step XPCOM creation and implementation in C++.
/*
 * DO NOT EDIT.  THIS FILE IS GENERATED FROM ISample.idl
 */

#ifndef __gen_ISample_h__
#define __gen_ISample_h__


#ifndef __gen_nsISupports_h__
#include "nsISupports.h"
#endif

/* For IDL files that don't want to include root IDL files. */
#ifndef NS_NO_VTABLE
#define NS_NO_VTABLE
#endif

/* starting interface:    ISample */
#define ISAMPLE_IID_STR "658abc9e-29cc-43e9-8a97-9d3c0b67ae8b"

#define ISAMPLE_IID \
  {0x658abc9e, 0x29cc, 0x43e9, \
    { 0x8a, 0x97, 0x9d, 0x3c, 0x0b, 0x67, 0xae, 0x8b }}

class NS_NO_VTABLE NS_SCRIPTABLE ISample : public nsISupports {
 public: 

  NS_DECLARE_STATIC_IID_ACCESSOR(ISAMPLE_IID)

  /* long Add (in long a, in long b); */
  NS_SCRIPTABLE NS_IMETHOD Add(PRInt32 a, PRInt32 b, PRInt32 *_retval NS_OUTPARAM) = 0;

};

  NS_DEFINE_STATIC_IID_ACCESSOR(ISample, ISAMPLE_IID)

/* Use this macro when declaring classes that implement this interface. */
#define NS_DECL_ISAMPLE \
  NS_SCRIPTABLE NS_IMETHOD Add(PRInt32 a, PRInt32 b, PRInt32 *_retval NS_OUTPARAM); 

/* Use this macro to declare functions that forward the behavior of this interface to another object. */
#define NS_FORWARD_ISAMPLE(_to) \
  NS_SCRIPTABLE NS_IMETHOD Add(PRInt32 a, PRInt32 b, PRInt32 *_retval NS_OUTPARAM) { return _to Add(a, b, _retval); } 

/* Use this macro to declare functions that forward the behavior of this interface to another object in a safe way. */
#define NS_FORWARD_SAFE_ISAMPLE(_to) \
  NS_SCRIPTABLE NS_IMETHOD Add(PRInt32 a, PRInt32 b, PRInt32 *_retval NS_OUTPARAM) { return !_to ? NS_ERROR_NULL_POINTER : _to->Add(a, b, _retval); } 

#if 0
/* Use the code below as a template for the implementation class for this interface. */

/* Header file */
class _MYCLASS_ : public ISample
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_ISAMPLE

  _MYCLASS_();

private:
  ~_MYCLASS_();

protected:
  /* additional members */
};

/* Implementation file */
NS_IMPL_ISUPPORTS1(_MYCLASS_, ISample)

_MYCLASS_::_MYCLASS_()
{
  /* member initializers and constructor code */
}

_MYCLASS_::~_MYCLASS_()
{
  /* destructor code */
}

/* long Add (in long a, in long b); */
NS_IMETHODIMP _MYCLASS_::Add(PRInt32 a, PRInt32 b, PRInt32 *_retval NS_OUTPARAM)
{
    return NS_ERROR_NOT_IMPLEMENTED;
}

/* End of implementation class template. */
#endif


#endif /* __gen_ISample_h__ */

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License

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

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About the Author

Md. Mazharul Islam Khan
Software Developer (Senior) Eyeball Networks Inc, Dhaka
Bangladesh Bangladesh
I strongly believe, a person's strongest point is to know his/her weak point. I try to be simple.
 
I have completed BSc in Computer Science & Engineering from Shah Jalal University of Science & Technology, Sylhet, Bangladesh (SUST).
 

Watch out for my other CodeProject Articles.

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