windows-nt/Source/XPSP1/NT/shell/ext/taskui/test/page2.cpp
2020-09-26 16:20:57 +08:00

78 lines
1.7 KiB
C++

// Page2.cpp : Implementation of CTaskAppApp and DLL registration.
#include "pch.h"
#include "TaskApp.h"
#include "LiteControl.h"
#include "Page1.h"
#include "Page2.h"
EXTERN_C const CLSID CLSID_CPage2 = __uuidof(CPage2);
/////////////////////////////////////////////////////////////////////////////
//
STDMETHODIMP CPage2::SetFrame(ITaskFrame* pFrame)
{
ATOMICRELEASE(m_pTaskFrame);
m_pTaskFrame = pFrame;
if (m_pTaskFrame)
m_pTaskFrame->AddRef();
return S_OK;
}
// 1 primary, 2 secondary
static const UINT s_rgObjectCount[] = { 1, 2 };
STDMETHODIMP CPage2::GetObjectCount(UINT nArea, UINT *pVal)
{
if (!pVal)
return E_POINTER;
*pVal = 0;
if (nArea < ARRAYSIZE(s_rgObjectCount))
*pVal = s_rgObjectCount[nArea];
return S_OK;
}
STDMETHODIMP CPage2::CreateObject(UINT nArea, UINT nIndex, REFIID riid, void **ppv)
{
HRESULT hr;
CComObject<CLiteControl>* pControl = NULL;
hr = CComObject<CLiteControl>::CreateInstance(&pControl);
if (SUCCEEDED(hr))
{
static const LPCWSTR pszFormat[] =
{
L"Page 2 primary control #%d",
L"Secondary #%d",
L"Unknown %d"
};
WCHAR szText[MAX_PATH];
pControl->AddRef();
pControl->SetFrame(m_pTaskFrame);
pControl->SetDestinationPage(CLSID_CPage1);
nArea = min(nArea, ARRAYSIZE(pszFormat)-1);
wsprintfW(szText, pszFormat[nArea], nIndex+1);
pControl->SetText(szText);
pControl->SetMaxExtent(MAXLONG, nArea ? 0 : MAXLONG);
hr = pControl->QueryInterface(riid, ppv);
pControl->Release();
}
return hr;
}
STDMETHODIMP CPage2::Reinitialize(ULONG /*reserved*/)
{
return S_OK;
}