这是另一个例子；
贴上主要代码：
#include "stdafx.h"
#include <tchar.h> #import "libid:95E23C91-BC5A-49F3-8CD1-1FC515597048" version("d.0") \
rename("GetCommandLine", "VGGetCommandLine") \
rename("CopyFile", "VGCore") \
rename("FindWindow", "VGFindWindow") #ifdef _MANAGED
#pragma managed(push, off)
#endif BOOL APIENTRY DllMain( HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved )
{
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
case DLL_THREAD_ATTACH:
case DLL_THREAD_DETACH:
case DLL_PROCESS_DETACH:
break;
}
return TRUE;
} #ifdef _MANAGED
#pragma managed(pop)
#endif class CVGAppPlugin : public VGCore::IVGAppPlugin
{
private:
VGCore::IVGApplication *m_pApp;
ULONG m_ulRefCount;
long m_lCookie;
bool m_bEnabled; bool CheckSelection();
void OnClearFill(); public:
CVGAppPlugin(); // IUnknown
public:
STDMETHOD(QueryInterface)(REFIID riid, void **ppvObject);
STDMETHOD_(ULONG, AddRef)(void) { return ++m_ulRefCount; }
STDMETHOD_(ULONG, Release)(void)
{
ULONG ulCount = --m_ulRefCount;
if(ulCount == )
{
delete this;
}
return ulCount;
} // IDispatch
public:
STDMETHOD(GetTypeInfoCount)(UINT *pctinfo) { return E_NOTIMPL; }
STDMETHOD(GetTypeInfo)(UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo) { return E_NOTIMPL; }
STDMETHOD(GetIDsOfNames)(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) { return E_NOTIMPL; }
STDMETHOD(Invoke)(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr); // IVGAppPlugin
public:
STDMETHOD(raw_OnLoad)(VGCore::IVGApplication *Application);
STDMETHOD(raw_StartSession)();
STDMETHOD(raw_StopSession)();
STDMETHOD(raw_OnUnload)();
}; bool CVGAppPlugin::CheckSelection()
{
bool bRet = false;
if(m_pApp->Documents->Count > )
{
bRet = (m_pApp->ActiveSelection->Shapes->Count > );
}
return bRet;
} void CVGAppPlugin::OnClearFill()
{
if(CheckSelection())
{
m_pApp->ActiveSelection->Fill->ApplyNoFill();
}
} CVGAppPlugin::CVGAppPlugin() :
m_pApp(NULL),
m_lCookie(),
m_ulRefCount(),
m_bEnabled(false)
{
} STDMETHODIMP CVGAppPlugin::QueryInterface(REFIID riid, void **ppvObject)
{
HRESULT hr = S_OK;
m_ulRefCount++;
if(riid == IID_IUnknown)
{
*ppvObject = (IUnknown *)this;
}
else if(riid == IID_IDispatch)
{
*ppvObject = (IDispatch *)this;
}
else if(riid == __uuidof(VGCore::IVGAppPlugin))
{
*ppvObject = (VGCore::IVGAppPlugin *)this;
}
else
{
m_ulRefCount--;
hr = E_NOINTERFACE;
}
return hr;
} STDMETHODIMP CVGAppPlugin::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
{
switch(dispIdMember)
{
case 0x0011: //DISPID_APP_SELCHANGE
m_bEnabled = CheckSelection();
break; case 0x0014: // DISPID_APP_ONPLUGINCMD
if(pDispParams != NULL && pDispParams->cArgs == )
{
_bstr_t strCmd(pDispParams->rgvarg[].bstrVal);
if(strCmd == _bstr_t("ClearFill"))
{
OnClearFill();
}
}
break; case 0x0015: // DISPID_APP_ONPLUGINCMDSTATE
if(pDispParams != NULL && pDispParams->cArgs == )
{
_bstr_t strCmd(pDispParams->rgvarg[].bstrVal);
if(strCmd == _bstr_t("ClearFill"))
{
*pDispParams->rgvarg[].pboolVal = m_bEnabled ? VARIANT_TRUE : VARIANT_FALSE;
}
}
break;
}
return S_OK;
} STDMETHODIMP CVGAppPlugin::raw_OnLoad(VGCore::IVGApplication *Application)
{
m_pApp = Application;
if(m_pApp)
{
m_pApp->AddRef();
}
return S_OK;
} STDMETHODIMP CVGAppPlugin::raw_StartSession()
{
try
{
m_pApp->AddPluginCommand(_bstr_t("ClearFill"), _bstr_t("Clear Fill"), _bstr_t("Clears fill from selected objects"));
VGCore::CommandBarControlPtr ctl = m_pApp->CommandBars->Item[_bstr_t("Standard")]->Controls->AddCustomButton(VGCore::cdrCmdCategoryPlugins, _bstr_t("ClearFill"), , VARIANT_TRUE);
_bstr_t bstrPath(m_pApp->Path + _bstr_t("Plugins\\ClearFill.bmp"));
ctl->SetCustomIcon(bstrPath);
m_lCookie = m_pApp->AdviseEvents(this);
}
catch(_com_error &e)
{
MessageBox(NULL, e.Description(), _T("Error"), MB_ICONSTOP);
}
return S_OK;
} STDMETHODIMP CVGAppPlugin::raw_StopSession()
{
try
{
m_pApp->UnadviseEvents(m_lCookie);
m_pApp->RemovePluginCommand(_bstr_t("ClearFill"));
}
catch(_com_error &e)
{
MessageBox(NULL, e.Description(), _T("Error"), MB_ICONSTOP);
}
return S_OK;
} STDMETHODIMP CVGAppPlugin::raw_OnUnload()
{
if(m_pApp)
{
m_pApp->Release();
m_pApp = NULL;
}
return S_OK;
} extern "C" __declspec(dllexport) DWORD APIENTRY AttachPlugin(VGCore::IVGAppPlugin **ppIPlugin)
{
*ppIPlugin = new CVGAppPlugin;
return 0x100;
}
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