HRESULT CreateWiaDeviceAndDoSomeStuff( IWiaDevMgr *pWiaDevMgr, IWiaPropertyStorage *pWiaPropertyStorage )
{
//
// Validate arguments
//
if (NULL == pWiaPropertyStorage)
{
return E_INVALIDARG;
}
//
// Declare PROPSPECs and PROPVARIANTs, and initialize them to zero.
//
PROPSPEC PropSpec[1] = {0};
PROPVARIANT PropVar[1] = {0};
//
// How many properties are we querying for?
//
const ULONG c_nPropertyCount = sizeof(PropSpec)/sizeof(PropSpec[0]);
//
// Define which properties we want to read. We want the
// device ID, so we can create the device.
//
PropSpec[0].ulKind = PRSPEC_PROPID;
PropSpec[0].propid = WIA_DIP_DEV_ID;
//
// Ask for the property values
//
HRESULT hr = pWiaPropertyStorage->ReadMultiple( c_nPropertyCount, PropSpec, PropVar );
if (SUCCEEDED(hr))
{
//
// Check the return type for the device ID to make
// sure this property was actually read.
//
if (VT_BSTR == PropVar[0].vt)
{
//
// Create the WIA device, which results in obtaining
// the root IWiaItem
//
IWiaItem *pWiaRootItem = NULL;
hr = CreateWiaDevice( pWiaDevMgr, PropVar[0].bstrVal, &pWiaRootItem );
if (SUCCEEDED(hr))
{
//
// Recursively enumerate the items
// (This function will also do some stuff with each item)
//
hr = EnumerateItems( pWiaRootItem );
//
// Free the root item
//
pWiaRootItem->Release();
pWiaRootItem = NULL;
}
else
{
ReportError( TEXT("Error calling CreateWiaDevice"), hr );
}
}
//
// Free the returned PROPVARIANTs
//
FreePropVariantArray( c_nPropertyCount, PropVar );
}
else
{
ReportError( TEXT("Error calling IWiaPropertyStorage::ReadMultiple"), hr );
}
//
// Return the result of all of this
//
return hr;
}
HRESULT PrintItemName( IWiaItem *pWiaItem )
{
//
// Validate arguments
//
if (NULL == pWiaItem)
{
return E_INVALIDARG;
}
//
// Get the IWiaPropertyStorage interface
//
IWiaPropertyStorage *pWiaPropertyStorage = NULL;
HRESULT hr = pWiaItem->QueryInterface( IID_IWiaPropertyStorage, (void**)&pWiaPropertyStorage );
if (SUCCEEDED(hr))
{
//
// Declare PROPSPECs and PROPVARIANTs, and initialize them to zero.
//
PROPSPEC PropSpec[1] = {0};
PROPVARIANT PropVar[1] = {0};
//
// How many properties are we querying for?
//
const ULONG c_nPropertyCount = sizeof(PropSpec)/sizeof(PropSpec[0]);
//
// Define which properties we want to read:
// Device ID. This is what we'd use to create
// the device.
//
PropSpec[0].ulKind = PRSPEC_PROPID;
PropSpec[0].propid = WIA_IPA_FULL_ITEM_NAME;
//
// Ask for the property values
//
hr = pWiaPropertyStorage->ReadMultiple( c_nPropertyCount, PropSpec, PropVar );
if (SUCCEEDED(hr))
{
//
// IWiaPropertyStorage::ReadMultiple will return S_FALSE if some
// properties could not be read, so we have to check the return
// types for each requested item.
//
//
// Check the return type for the device ID
//
if (VT_BSTR == PropVar[0].vt)
{
//
// Do something with the device ID
//
_tprintf( TEXT("Item Name: %ws\n"), PropVar[0].bstrVal );
}
//
// Free the returned PROPVARIANTs
//
FreePropVariantArray( c_nPropertyCount, PropVar );
}
else
{
ReportError( TEXT("Error calling IWiaPropertyStorage::ReadMultiple"), hr );
}
//
// Release the IWiaPropertyStorage interface
//
pWiaPropertyStorage->Release();
pWiaPropertyStorage = NULL;
}
//
// Return the result of reading the properties
//
return hr;
}
HRESULT ReadSomeWiaProperties( IWiaPropertyStorage *pWiaPropertyStorage )
{
//
// Validate arguments
//
if (NULL == pWiaPropertyStorage)
{
return E_INVALIDARG;
}
//
// Declare PROPSPECs and PROPVARIANTs, and initialize them to zero.
//
PROPSPEC PropSpec[3] = {0};
PROPVARIANT PropVar[3] = {0};
//
// How many properties are we querying for?
//
const ULONG c_nPropertyCount = sizeof(PropSpec)/sizeof(PropSpec[0]);
//
// Define which properties we want to read:
// Device ID. This is what we'd use to create
// the device.
//
PropSpec[0].ulKind = PRSPEC_PROPID;
PropSpec[0].propid = WIA_DIP_DEV_ID;
//
// Device Name
//
PropSpec[1].ulKind = PRSPEC_PROPID;
PropSpec[1].propid = WIA_DIP_DEV_NAME;
//
// Device description
//
PropSpec[2].ulKind = PRSPEC_PROPID;
PropSpec[2].propid = WIA_DIP_DEV_DESC;
//
// Ask for the property values
//
HRESULT hr = pWiaPropertyStorage->ReadMultiple( c_nPropertyCount, PropSpec, PropVar );
if (SUCCEEDED(hr))
{
//
// IWiaPropertyStorage::ReadMultiple will return S_FALSE if some
// properties could not be read, so we have to check the return
// types for each requested item.
//
//
// Check the return type for the device ID
//
if (VT_BSTR == PropVar[0].vt)
{
//
// Do something with the device ID
//
_tprintf( TEXT("WIA_DIP_DEV_ID: %ws\n"), PropVar[0].bstrVal );
}
//
// Check the return type for the device name
//
if (VT_BSTR == PropVar[1].vt)
{
//
// Do something with the device name
//
_tprintf( TEXT("WIA_DIP_DEV_NAME: %ws\n"), PropVar[1].bstrVal );
}
//
// Check the return type for the device description
//
if (VT_BSTR == PropVar[2].vt)
{
//
// Do something with the device description
//
_tprintf( TEXT("WIA_DIP_DEV_DESC: %ws\n"), PropVar[2].bstrVal );
}
//
// Free the returned PROPVARIANTs
//
FreePropVariantArray( c_nPropertyCount, PropVar );
}
else
{
ReportError( TEXT("Error calling IWiaPropertyStorage::ReadMultiple"), hr );
}
//
// Return the result of reading the properties
//
return hr;
}
void App::GetProperties()
{
LPSTORAGE pStorage = NULL;
IPropertySetStorage* pPropertySetStorage = NULL;
IPropertyStorage* pSummaryInfoStorage = NULL;
IPropertyStorage* pDocumentSummaryInfoStorage = NULL;
IPropertyStorage* pUserDefinedPropertyStorage = NULL;
wchar_t wfilename[_MAX_PATH];
char szBuf[256];
char filename[MAX_PATH];
SendMessage(GetDlgItem(hPropDialog, IDC_TITLE), WM_SETTEXT, 0, (LPARAM)"");
SendMessage(GetDlgItem(hPropDialog, IDC_SUBJECT), WM_SETTEXT, 0, (LPARAM)"");
SendMessage(GetDlgItem(hPropDialog, IDC_AUTHOR), WM_SETTEXT, 0, (LPARAM)"");
SendMessage(GetDlgItem(hPropDialog, IDC_MANAGER), WM_SETTEXT, 0, (LPARAM)"");
SendMessage(GetDlgItem(hPropDialog, IDC_COMPANY), WM_SETTEXT, 0, (LPARAM)"");
SendMessage(GetDlgItem(hPropDialog, IDC_CATEGORY), WM_SETTEXT, 0, (LPARAM)"");
SendMessage(GetDlgItem(hPropDialog, IDC_KEYWORDS), WM_SETTEXT, 0, (LPARAM)"");
SendMessage(GetDlgItem(hPropDialog, IDC_COMMENTS), WM_SETTEXT, 0, (LPARAM)"");
SendMessage(GetDlgItem(hPropDialog, IDC_CONTENTS), LB_RESETCONTENT, 0, 0);
ListView_DeleteAllItems(GetDlgItem(hPropDialog, IDC_CUSTOM));
int idx = SendMessage(hListBox, LB_GETCURSEL, 0, 0);
SendMessage(hListBox, LB_GETTEXT, idx, (LPARAM)filename);
SetWindowText(hPropDialog, filename);
MultiByteToWideChar(CP_ACP, 0, filename, -1, wfilename, _MAX_PATH);
HRESULT res = StgOpenStorage(wfilename, (LPSTORAGE)0, STGM_DIRECT|STGM_READ|STGM_SHARE_EXCLUSIVE, NULL,0,&pStorage);
if (res!=S_OK) {
return;
}
// Get the Storage interface
if (S_OK != pStorage->QueryInterface(IID_IPropertySetStorage, (void**)&pPropertySetStorage)) {
pStorage->Release();
return;
}
// Get the SummaryInfo property set interface
if (S_OK == pPropertySetStorage->Open(FMTID_SummaryInformation, STGM_READ|STGM_SHARE_EXCLUSIVE, &pSummaryInfoStorage)) {
BOOL bFound = FALSE;
PROPSPEC PropSpec[5];
PROPVARIANT PropVar[5];
PropSpec[0].ulKind = PRSPEC_PROPID;
PropSpec[0].propid = PID_TITLE;
PropSpec[1].ulKind = PRSPEC_PROPID;
PropSpec[1].propid = PID_SUBJECT;
PropSpec[2].ulKind = PRSPEC_PROPID;
PropSpec[2].propid = PID_AUTHOR;
PropSpec[3].ulKind = PRSPEC_PROPID;
PropSpec[3].propid = PID_KEYWORDS;
PropSpec[4].ulKind = PRSPEC_PROPID;
PropSpec[4].propid = PID_COMMENTS;
HRESULT hr = pSummaryInfoStorage->ReadMultiple(5, PropSpec, PropVar);
if (S_OK == hr) {
if (PropVar[0].vt == VT_LPSTR) {
SendMessage(GetDlgItem(hPropDialog, IDC_TITLE), WM_SETTEXT, 0, (LPARAM)PropVar[0].pszVal);
}
if (PropVar[1].vt == VT_LPSTR) {
SendMessage(GetDlgItem(hPropDialog, IDC_SUBJECT), WM_SETTEXT, 0, (LPARAM)PropVar[1].pszVal);
}
if (PropVar[2].vt == VT_LPSTR) {
SendMessage(GetDlgItem(hPropDialog, IDC_AUTHOR), WM_SETTEXT, 0, (LPARAM)PropVar[2].pszVal);
}
if (PropVar[3].vt == VT_LPSTR) {
SendMessage(GetDlgItem(hPropDialog, IDC_KEYWORDS), WM_SETTEXT, 0, (LPARAM)PropVar[3].pszVal);
}
if (PropVar[4].vt == VT_LPSTR) {
SendMessage(GetDlgItem(hPropDialog, IDC_COMMENTS), WM_SETTEXT, 0, (LPARAM)PropVar[4].pszVal);
}
}
FreePropVariantArray(5, PropVar);
pSummaryInfoStorage->Release();
}
// Get the DocumentSummaryInfo property set interface
if (S_OK == pPropertySetStorage->Open(FMTID_DocSummaryInformation, STGM_READ|STGM_SHARE_EXCLUSIVE, &pDocumentSummaryInfoStorage)) {
BOOL bFound = FALSE;
PROPSPEC PropSpec[5];
PROPVARIANT PropVar[5];
PropSpec[0].ulKind = PRSPEC_PROPID;
PropSpec[0].propid = PID_MANAGER;
PropSpec[1].ulKind = PRSPEC_PROPID;
PropSpec[1].propid = PID_COMPANY;
PropSpec[2].ulKind = PRSPEC_PROPID;
PropSpec[2].propid = PID_CATEGORY;
PropSpec[3].ulKind = PRSPEC_PROPID;
PropSpec[3].propid = PID_HEADINGPAIR;
PropSpec[4].ulKind = PRSPEC_PROPID;
PropSpec[4].propid = PID_DOCPARTS;
HRESULT hr = pDocumentSummaryInfoStorage->ReadMultiple(5, PropSpec, PropVar);
if (S_OK == hr) {
if (PropVar[0].vt == VT_LPSTR) {
SendMessage(GetDlgItem(hPropDialog, IDC_MANAGER), WM_SETTEXT, 0, (LPARAM)PropVar[0].pszVal);
}
if (PropVar[1].vt == VT_LPSTR) {
SendMessage(GetDlgItem(hPropDialog, IDC_COMPANY), WM_SETTEXT, 0, (LPARAM)PropVar[1].pszVal);
}
if (PropVar[2].vt == VT_LPSTR) {
SendMessage(GetDlgItem(hPropDialog, IDC_CATEGORY), WM_SETTEXT, 0, (LPARAM)PropVar[2].pszVal);
}
if ((PropVar[3].vt == (VT_VARIANT | VT_VECTOR)) && (PropVar[4].vt == (VT_LPSTR | VT_VECTOR))) {
CAPROPVARIANT* pHeading = &PropVar[3].capropvar;
CALPSTR* pDocPart = &PropVar[4].calpstr;
// Headings:
// =========
// 0 - General
// 2 - Mesh Totals
// 4 - Scene Totals
// 6 - External Dependencies
// 8 - Objects
// 10 - Materials
// 12 - Plug-Ins
int nDocPart = 0;
for (UINT i=0; i<pHeading->cElems; i+=2) {
SendMessage(GetDlgItem(hPropDialog, IDC_CONTENTS), LB_ADDSTRING, 0, (LPARAM)pHeading->pElems[i].pszVal);
for (int j=0; j<pHeading->pElems[i+1].lVal; j++) {
sprintf(szBuf, "\t%s", pDocPart->pElems[nDocPart]);
SendMessage(GetDlgItem(hPropDialog, IDC_CONTENTS), LB_ADDSTRING, 0, (LPARAM)szBuf);
nDocPart++;
}
}
}
}
FreePropVariantArray(5, PropVar);
pDocumentSummaryInfoStorage->Release();
}
if (S_OK == pPropertySetStorage->Open(FMTID_UserDefinedProperties, STGM_READ|STGM_SHARE_EXCLUSIVE, &pUserDefinedPropertyStorage)) {
int numUserProps = 0;
// First we need to count the properties
IEnumSTATPROPSTG* pIPropertyEnum;
if (S_OK == pUserDefinedPropertyStorage->Enum(&pIPropertyEnum)) {
STATPROPSTG property;
while (pIPropertyEnum->Next(1, &property, NULL) == S_OK) {
if (property.lpwstrName) {
CoTaskMemFree(property.lpwstrName);
property.lpwstrName = NULL;
numUserProps++;
}
}
PROPSPEC* pPropSpec = new PROPSPEC[numUserProps];
PROPVARIANT* pPropVar = new PROPVARIANT[numUserProps];
ZeroMemory(pPropVar, numUserProps*sizeof(PROPVARIANT));
ZeroMemory(pPropSpec, numUserProps*sizeof(PROPSPEC));
pIPropertyEnum->Reset();
int idx = 0;
while (pIPropertyEnum->Next(1, &property, NULL) == S_OK) {
if (property.lpwstrName) {
pPropSpec[idx].ulKind = PRSPEC_LPWSTR;
pPropSpec[idx].lpwstr = (LPWSTR)CoTaskMemAlloc(sizeof(wchar_t)*(wcslen(property.lpwstrName)+1));
wcscpy(pPropSpec[idx].lpwstr, property.lpwstrName);
idx++;
CoTaskMemFree(property.lpwstrName);
property.lpwstrName = NULL;
}
}
pIPropertyEnum->Release();
ListView_DeleteAllItems(GetDlgItem(hPropDialog, IDC_CUSTOM));
HRESULT hr = pUserDefinedPropertyStorage->ReadMultiple(idx, pPropSpec, pPropVar);
if (S_OK == hr) {
for (int i=0; i<idx; i++) {
wcstombs(szBuf, pPropSpec[i].lpwstr, 255);
LV_ITEM item;
item.mask = LVIF_TEXT;
item.iItem = i;
item.iSubItem = 0;
item.pszText = szBuf;
item.cchTextMax = strlen(szBuf);
ListView_InsertItem(GetDlgItem(hPropDialog, IDC_CUSTOM), &item);
VariantToString(this, &pPropVar[i], szBuf, 255);
item.iSubItem = 1;
item.pszText = szBuf;
item.cchTextMax = strlen(szBuf);
ListView_SetItem(GetDlgItem(hPropDialog, IDC_CUSTOM), &item);
TypeNameFromVariant(this, &pPropVar[i], szBuf, 255);
item.iSubItem = 2;
item.pszText = szBuf;
item.cchTextMax = strlen(szBuf);
ListView_SetItem(GetDlgItem(hPropDialog, IDC_CUSTOM), &item);
}
}
for (int i=0; i<idx; i++) {
CoTaskMemFree(pPropSpec[i].lpwstr);
}
FreePropVariantArray(numUserProps, pPropVar);
delete [] pPropSpec;
delete [] pPropVar;
}
pUserDefinedPropertyStorage->Release();
}
pPropertySetStorage->Release();
pStorage->Release();
}