HRESULT CPageEvents::PopulateTreeAndList()
{
// Get the XML text of the logger's current status
CComBSTR bstrEventList;
RETURN_FAILED(m_spEventLogger->get_EventList(&bstrEventList));
// Load the XML text into the XMLDOM object
VARIANT_BOOL bSucceeded;
RETURN_FAILED(m_spXMLDoc->loadXML(bstrEventList, &bSucceeded));
if (!bSucceeded)
return E_FAIL;
// Get the root element
IXMLDOMElementPtr spRoot;
RETURN_FAILED(m_spXMLDoc->get_documentElement(&spRoot));
#ifdef _DEBUG
{
// Ensure that the root element tag is <AGCEvents>
CComBSTR bstrRoot;
ASSERT(SUCCEEDED(spRoot->get_tagName(&bstrRoot)));
ASSERT(0 == wcscmp(bstrRoot, L"AGCEvents"));
}
#endif // _DEBUG
// Recursively process the children of each group
RETURN_FAILED(AddXMLNodeToTree(spRoot, TVI_ROOT));
// Caculate the column widths
m_cxMaxType += 16 + 2; // Adjust for icon and padding
int cxScroll = GetSystemMetrics(SM_CXVSCROLL);
// Get the width of the list control's client area
CRect rect;
m_listEvents.GetClientRect(rect);
// Compute the Name column to fit the maximum width
int cxTotal = m_cxMaxType + m_cxMaxID + cxScroll;
int cxName = rect.Width() - cxTotal;
// Set the column widths
LVCOLUMN lvcol = {LVCF_WIDTH};
lvcol.cx = m_cxMaxType;
m_listEvents.SetColumn(0, &lvcol);
lvcol.cx = m_cxMaxID;
m_listEvents.SetColumn(1, &lvcol);
lvcol.cx = cxName;
m_listEvents.SetColumn(2, &lvcol);
// Indicate success
return S_OK;
}
