//OLECMDID_PRINT = 6,
HRESULT CWtlHtmlView::ExecCommand( OLECMDID nCmdID, OLECMDEXECOPT nCmdExecOpt, VARIANTARG* pvarargIn, VARIANTARG* pvarargOut)
{
HRESULT hr=S_OK;
LPDISPATCH lpDispatch = NULL;
LPOLECOMMANDTARGET lpOleCommandTarget = NULL;
try {
m_spWebBrowser2->get_Document(&lpDispatch);
if(lpDispatch==NULL)
throw;
OLECMDF eQuery ; // 'return value type for QueryStatusWB
if(FAILED( m_spWebBrowser2->QueryStatusWB(OLECMDID_PRINT, &eQuery))) // 'get print command status
throw;
if(!( eQuery & OLECMDF_ENABLED) )
throw;
lpDispatch->QueryInterface(IID_IOleCommandTarget, (void**)&lpOleCommandTarget);
if(lpOleCommandTarget==NULL)
throw;
// Print contents of WebBrowser control.
hr=lpOleCommandTarget->Exec(NULL, nCmdID, nCmdExecOpt, pvarargIn, pvarargOut);
}
catch(...)
{
hr=E_FAIL;
}
if(lpDispatch)
lpDispatch->Release();
if(lpOleCommandTarget)
lpOleCommandTarget->Release();
return hr;
}
//-------------------------------------------------------------------------------
// Name: HrExecCommand
// Desc: Выполнить команду с параметром MSOCMDEXECOPT_PROMPTUSER или MSOCMDEXECOPT_DONTPROMPTUSER.
//-------------------------------------------------------------------------------
HRESULT COfsDhtmlEditCtrl::HrExecCommand( ULONG ucmdID, VARIANT* pVarIn, VARIANT* pVarOut, BOOL bPromptUser )
{
HRESULT hr = S_OK;
if ( m_pSite != NULL )
{
LPOLECOMMANDTARGET pCommandTarget = m_pSite->GetCommandTarget();
if ( pCommandTarget != NULL )
{
DWORD dwCmdOpt = 0;
if (bPromptUser)
dwCmdOpt = MSOCMDEXECOPT_PROMPTUSER;
else
dwCmdOpt = MSOCMDEXECOPT_DONTPROMPTUSER;
hr = pCommandTarget->Exec(&GUID_TriEditCommandGroup,
ucmdID,
dwCmdOpt,
pVarIn,
pVarOut);
}
}
return hr;
}
//-------------------------------------------------------------------------------
// Name: HrExecDefault
// Desc: Выполнить команду с параметром OLECMDEXECOPT_DODEFAULT.
//-------------------------------------------------------------------------------
HRESULT COfsDhtmlEditCtrl::HrExecDefault(ULONG ucmdID,VARIANT* pVarIn)
{
HRESULT hr = S_OK;
if ( m_pSite != NULL )
{
LPOLECOMMANDTARGET pCommandTarget = m_pSite->GetCommandTarget();
if ( pCommandTarget != NULL )
{
hr = pCommandTarget->Exec(&GUID_TriEditCommandGroup,
ucmdID,
OLECMDEXECOPT_DODEFAULT,
pVarIn,
NULL);
}
}
return hr;
}
//-------------------------------------------------------------------------------
// Name: GetCommandStatus
// Desc: Запросить состояние команды по ее ID
// За дополнительной информацией смотрие MSDN DhtmlEdit.
//-------------------------------------------------------------------------------
DWORD COfsDhtmlEditCtrl::GetCommandStatus( ULONG ucmdID )
{
DWORD dwReturn = 0;
if ( m_pSite != NULL )
{
LPOLECOMMANDTARGET pCommandTarget = m_pSite->GetCommandTarget();
if ( pCommandTarget != NULL )
{
HRESULT hr = S_OK;
MSOCMD msocmd;
msocmd.cmdID = ucmdID;
msocmd.cmdf = 0;
hr = pCommandTarget->QueryStatus(&GUID_TriEditCommandGroup, 1, &msocmd, NULL);
dwReturn = msocmd.cmdf;
}
}
return dwReturn;
}
void CHtmlView::OnFilePrint()
{
// get the HTMLDocument
if (m_pBrowserApp != NULL)
{
LPOLECOMMANDTARGET lpTarget = NULL;
LPDISPATCH lpDisp = GetHtmlDocument();
if (lpDisp != NULL)
{
// the control will handle all printing UI
if (SUCCEEDED(lpDisp->QueryInterface(IID_IOleCommandTarget,
(LPVOID*) &lpTarget)))
{
lpTarget->Exec(NULL, OLECMDID_PRINT, 0, NULL, NULL);
lpTarget->Release();
}
lpDisp->Release();
}
}
}
