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// html & JavaScript
...
<button value="Click me"
onclick="window.navigate('app:command&arg1=1&arg2=2')" />
...
 // C++: ÏìÓ¦ µÄÏûÏ¢º¯ÊýOnBeforeNavigat2 
virtual void OnBeforeNavigate2( LPCTSTR lpszURL, DWORD nFlags, LPCTSTR lpszTargetFrameName,
CByteArray& baPostedData, LPCTSTR lpszHeaders, BOOL* pbCancel );
// C++ code goes here
CXXXDlg::OnBeforeNavigate2( LPCTSTR lpszURL, DWORD nFlags, LPCTSTR lpszTargetFrameName,
CByteArray& baPostedData, LPCTSTR lpszHeaders, BOOL* pbCancel )
{
CString strUrl = lpszURL;
if(strUrl.Left(4) == _T("app:"))
{
// cancel the common url navigate and call your c++ code here
*pbCancel = TURE;
// call other c++ function here or parse the argument in the strUrl

}
// go common url navigate here

}

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// html & javaScript
...
function CallCpp()
{
alert('start to call cpp here');
window.external.JavaScriptCallCpp('This
is a test for call C++ in JavaScript');
}
<button onclick="CallCpp()"
>JavaScript·ÃÎÊC++´úÂë</button>
...
// C++ code goes here
CString javaScriptName =
_T("JavaScriptCallCpp");
#define DISPID_CallCppfromJs 1
// ʵÏÖIDispatch ½Ó¿Ú
// .h
class CImpIDispatch : public IDispatch
{
protected:
ULONG m_cRef;
public:
CImpIDispatch(void);
~CImpIDispatch(void);
STDMETHODIMP QueryInterface(REFIID, void **);
STDMETHODIMP_(ULONG) AddRef(void);
STDMETHODIMP_(ULONG) Release(void);
//IDispatch
STDMETHODIMP GetTypeInfoCount(UINT* pctinfo);
STDMETHODIMP GetTypeInfo(/* [in] */ UINT iTInfo,
/* [in] */ LCID lcid,
/* [out] */ ITypeInfo** ppTInfo);
STDMETHODIMP GetIDsOfNames(
/* [in] */ REFIID riid,
/* [size_is][in] */ LPOLESTR *rgszNames,
/* [in] */ UINT cNames,


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//javascriptµÄÃæÏò¶ÔÏóµÄÀý×Ó
function sayHi(){
alert("Hello ,"+this.name);
}
function get ......

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void itoa ( int val, char* buf );

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//////// add.c
int add(int a, int b)
{
     return a + b;
}
///////// main.c
#include <stdio.h>
int add(int a, int b);
int main ()
{
      printf("%d" ......
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