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638 lines
18 KiB
638 lines
18 KiB
#include "pch.h"
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#include "stddef.h"
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#pragma hdrstop
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/*-----------------------------------------------------------------------------
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/ Helper functions (exported)
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/----------------------------------------------------------------------------*/
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/*----------------------------------------------------------------------------
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/ MergeMenu
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/ ---------
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/ Merge two menus together, taking the first popup menu and merging it into
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/ the target. We use the caption from the pop-up menu as the caption
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/ for the target.
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/
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/ In:
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/ hMenu = handle of menu to merge into
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/ hMenuToInsert = handle of menu to get the popup from
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/ iIndex = index to insert at
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/
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/ Out:
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/ -
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/----------------------------------------------------------------------------*/
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VOID MergeMenu(HMENU hMenu, HMENU hMenuToInsert, INT iIndex)
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{
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TCHAR szBuffer[MAX_PATH];
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HMENU hPopupMenu = NULL;
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TraceEnter(TRACE_HANDLER|TRACE_VIEW, "MergeMenu");
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hPopupMenu = CreatePopupMenu();
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if ( hPopupMenu )
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{
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GetMenuString(hMenuToInsert, 0, szBuffer, ARRAYSIZE(szBuffer), MF_BYPOSITION);
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InsertMenu(hMenu, iIndex, MF_BYPOSITION|MF_POPUP, (UINT_PTR)hPopupMenu, szBuffer);
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Shell_MergeMenus(hPopupMenu, GetSubMenu(hMenuToInsert, 0), 0x0, 0x0, 0x7fff, 0);
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}
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TraceLeave();
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}
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/*-----------------------------------------------------------------------------
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/ BindToPath
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/ ----------
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/ Given a namespace path bind to it returning the shell object
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/
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/ In:
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/ pszPath -> path to bind to
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/ riid = interface to request
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/ ppvObject -> receives the object pointer
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/
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/ Out:
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/ HRESULT
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/----------------------------------------------------------------------------*/
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HRESULT BindToPath(LPWSTR pszPath, REFIID riid, LPVOID* ppObject)
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{
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HRESULT hres;
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IShellFolder* psfDesktop = NULL;
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LPITEMIDLIST pidl = NULL;
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TraceEnter(TRACE_VIEW, "BindToPath");
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hres = CoCreateInstance(CLSID_ShellDesktop, NULL, CLSCTX_INPROC_SERVER, IID_IShellFolder, (LPVOID*)&psfDesktop);
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FailGracefully(hres, "Failed to get IShellFolder for the desktop object");
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hres = psfDesktop->ParseDisplayName(NULL, NULL, pszPath, NULL, &pidl, NULL);
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FailGracefully(hres, "Failed when getting root path of DS");
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if ( ILIsEmpty(pidl) )
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{
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TraceMsg("PIDL is desktop, therefore just QIing for interface");
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hres = psfDesktop->QueryInterface(riid, ppObject);
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}
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else
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{
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TraceMsg("Binding to IDLIST via BindToObject");
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hres = psfDesktop->BindToObject(pidl, NULL, riid, ppObject);
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}
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exit_gracefully:
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if ( FAILED(hres) )
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*ppObject = NULL;
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DoRelease(psfDesktop);
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DoILFree(pidl);
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TraceLeaveResult(hres);
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}
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/*-----------------------------------------------------------------------------
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/ GetColumnHandlerFromProperty
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/ ----------------------------
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/ Given a COLUMN structure allocate the property name appending the
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/ CLSID of the handler if we have one.
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/
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/ In:
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/ pColumn -> column value to decode
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/ pProperty -> property value parse
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/
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/ Out:
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/ HRESULT
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/----------------------------------------------------------------------------*/
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HRESULT GetColumnHandlerFromProperty(LPCOLUMN pColumn, LPWSTR pProperty)
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{
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HRESULT hres;
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LPWSTR pPropertyTemp;
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LPWSTR pColumnHandlerCLSID;
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USES_CONVERSION;
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TraceEnter(TRACE_VIEW, "GetColumnHandlerFromProperty");
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Trace(TEXT("pProperty is: %s"), W2T(pProperty));
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if ( !pProperty )
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pProperty = pColumn->pProperty;
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// if we find a ',' then we must parse the GUID as it may be a CLSID for a column handler.
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pColumnHandlerCLSID = wcschr(pProperty, L',');
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if ( pColumnHandlerCLSID )
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{
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// attempt to extract the CLSID form the property name
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*pColumnHandlerCLSID++ = L'\0'; // terminate the property name
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if ( GetGUIDFromStringW(pColumnHandlerCLSID, &pColumn->clsidColumnHandler) )
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{
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TraceGUID("CLSID for handler is:", pColumn->clsidColumnHandler);
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pColumn->fHasColumnHandler = TRUE;
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}
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else
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{
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TraceMsg("**** Failed to parse CLSID from property name ****");
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}
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// we truncated the string, so lets re-alloc the buffer with the
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// new string value.
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if ( SUCCEEDED(LocalAllocStringW(&pPropertyTemp, pProperty)) )
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{
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LocalFreeStringW(&pColumn->pProperty);
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pColumn->pProperty = pPropertyTemp;
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}
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Trace(TEXT("Property name is now: %s"), W2T(pColumn->pProperty));
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}
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else
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{
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// now CLSID, so just allocate the property string if we need to.
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if ( pColumn->pProperty != pProperty )
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{
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if ( SUCCEEDED(LocalAllocStringW(&pPropertyTemp, pProperty)) )
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{
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LocalFreeStringW(&pColumn->pProperty);
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pColumn->pProperty = pPropertyTemp;
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}
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}
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}
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TraceLeaveResult(S_OK);
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}
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/*-----------------------------------------------------------------------------
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/ GetPropertyFromColumn
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/ ---------------------
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/ Given a COLUMN structure allocate the property name appending the
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/ CLSID of the handler if we have one.
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/
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/ In:
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/ ppProperty -> receives a pointer to the property string
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/ pColumn -> column value to decode
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/
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/ Out:
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/ HRESULT
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/----------------------------------------------------------------------------*/
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HRESULT GetPropertyFromColumn(LPWSTR* ppProperty, LPCOLUMN pColumn)
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{
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HRESULT hres;
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TCHAR szGUID[GUIDSTR_MAX+1];
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USES_CONVERSION;
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TraceEnter(TRACE_VIEW, "GetPropertyFromColumn");
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if ( !pColumn->fHasColumnHandler )
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{
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// just copy the property name
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hres = LocalAllocStringW(ppProperty, pColumn->pProperty);
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FailGracefully(hres, "Failed to allocate property");
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}
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else
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{
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// allocate a buffer and then place the property name and the
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// column handler CLSID.
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hres = LocalAllocStringLenW(ppProperty, lstrlenW(pColumn->pProperty)+GUIDSTR_MAX+1); // nb: +2 for ","
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FailGracefully(hres, "Failed to allocate buffer for property name");
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GetStringFromGUID(pColumn->clsidColumnHandler, szGUID, ARRAYSIZE(szGUID));
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StrCpyW(*ppProperty, pColumn->pProperty);
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StrCatW(*ppProperty, L",");
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StrCatW(*ppProperty, T2W(szGUID));
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}
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hres = S_OK;
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exit_gracefully:
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TraceLeaveResult(hres);
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}
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/*-----------------------------------------------------------------------------
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/ FreeColumn / FreeColumnValue
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/ ----------------------------
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/ A column consists of the header and filter information including the underlying
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/ property value.
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/
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/ A COLUMNVALUE is the typed information for the column which must be freed
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/ based the iPropertyType value.
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/
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/ In:
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/ pColumn -> LPCOLUMN structure to released
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/ or
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/ pColumnValue ->LPCOLUMNVALUE structure to be released
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/
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/ Out:
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/ -
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/----------------------------------------------------------------------------*/
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VOID FreeColumnValue(LPCOLUMNVALUE pColumnValue)
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{
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TraceEnter(TRACE_VIEW, "FreeColumnValue");
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switch ( pColumnValue->iPropertyType )
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{
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case PROPERTY_ISUNDEFINED:
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case PROPERTY_ISBOOL:
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case PROPERTY_ISNUMBER:
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break;
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case PROPERTY_ISUNKNOWN:
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case PROPERTY_ISSTRING:
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LocalFreeString(&pColumnValue->pszText);
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break;
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default:
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Trace(TEXT("iPropertyValue is %d"), pColumnValue->iPropertyType);
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TraceAssert(FALSE);
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break;
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}
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pColumnValue->iPropertyType = PROPERTY_ISUNDEFINED; // no value
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TraceLeave();
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}
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INT FreeColumnCB(LPVOID pItem, LPVOID pData)
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{
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FreeColumn((LPCOLUMN)pItem);
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return 1;
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}
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VOID FreeColumn(LPCOLUMN pColumn)
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{
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TraceEnter(TRACE_VIEW, "FreeQueryResult");
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if ( pColumn )
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{
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LocalFreeStringW(&pColumn->pProperty);
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LocalFreeString(&pColumn->pHeading);
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FreeColumnValue(&pColumn->filter);
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DoRelease(pColumn->pColumnHandler);
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}
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TraceLeave();
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}
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/*-----------------------------------------------------------------------------
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/ FreeQueryResult
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/ ---------------
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/ Given a QUERYRESULT structure free the elements within it
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/
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/ In:
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/ pResult -> result blob to be released
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/ cColumns = number of columns to be released
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/
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/ Out:
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/ -
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/----------------------------------------------------------------------------*/
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INT FreeQueryResultCB(LPVOID pItem, LPVOID pData)
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{
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FreeQueryResult((LPQUERYRESULT)pItem, PtrToUlong(pData));
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return 1;
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}
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VOID FreeQueryResult(LPQUERYRESULT pResult, INT cColumns)
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{
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INT i;
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TraceEnter(TRACE_VIEW, "FreeQueryResult");
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if ( pResult )
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{
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LocalFreeStringW(&pResult->pObjectClass);
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LocalFreeStringW(&pResult->pPath);
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for ( i = 0 ; i < cColumns ; i++ )
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FreeColumnValue(&pResult->aColumn[i]);
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}
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TraceLeave();
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}
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/*-----------------------------------------------------------------------------
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/ PropertyIsFromAttribute
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/ -----------------------
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/ Get the property is value from the specified attribute.
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/
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/ In:
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/ pszAttributeName -> attribute name
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/ pdds -> IDsDisplaySpecifier
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/
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/ Out:
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/ DWORD dwType
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/----------------------------------------------------------------------------*/
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DWORD PropertyIsFromAttribute(LPCWSTR pszAttributeName, IDsDisplaySpecifier *pdds)
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{
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DWORD dwResult = PROPERTY_ISUNKNOWN;
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USES_CONVERSION;
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TraceEnter(TRACE_CORE, "PropertyIsFromAttribute");
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Trace(TEXT("Fetching attribute type for: %s"), W2CT(pszAttributeName));
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switch ( pdds->GetAttributeADsType(pszAttributeName) )
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{
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case ADSTYPE_DN_STRING:
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case ADSTYPE_CASE_EXACT_STRING:
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case ADSTYPE_CASE_IGNORE_STRING:
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case ADSTYPE_PRINTABLE_STRING:
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case ADSTYPE_NUMERIC_STRING:
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TraceMsg("Property is a string");
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dwResult = PROPERTY_ISSTRING;
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break;
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case ADSTYPE_BOOLEAN:
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TraceMsg("Property is a BOOL");
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dwResult = PROPERTY_ISBOOL;
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break;
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case ADSTYPE_INTEGER:
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TraceMsg("Property is a number");
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dwResult = PROPERTY_ISNUMBER;
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break;
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default:
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TraceMsg("Property is UNKNOWN");
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break;
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}
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TraceLeaveValue(dwResult);
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}
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/*-----------------------------------------------------------------------------
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/ MatchPattern
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/ ------------
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/ Given two strings, one a string the other a pattern match the two
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/ using standard wildcarding "*" == any number of characters, "?" means
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/ single character skip
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/
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/ In:
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/ pString = string to compare
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/ pPattern = pattern to compare against
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/
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/ Out:
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/ HRESULT
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/----------------------------------------------------------------------------*/
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BOOL MatchPattern(LPTSTR pString, LPTSTR pPattern)
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{
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TCHAR c, p, l;
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for ( ;; )
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{
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switch (p = *pPattern++ )
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{
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case 0: // end of pattern
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return *pString ? FALSE : TRUE; // if end of pString TRUE
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case TEXT('*'):
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{
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while ( *pString )
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{ // match zero or more char
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if ( MatchPattern(pString++, pPattern) )
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return TRUE;
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}
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return MatchPattern(pString, pPattern);
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}
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case TEXT('?'):
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{
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if (*pString++ == 0) // match any one char
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return FALSE; // not end of pString
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break;
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}
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default:
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{
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if ( *pString++ != p )
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return FALSE; // not a match
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break;
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}
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}
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}
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}
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/*-----------------------------------------------------------------------------
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/ EnumClassAttrbutes
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/ ------------------
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/ This is a wrapper around the attribute enum functions exposed in
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/ the IDsDisplaySpecifier interface.
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/
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/ We read the attributes into a DPA, then sort them add in the
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/ extra columns exposed from this UI.
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/
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/ In:
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/ pdds -> IDsDisplaySpecifier object
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/ pszObjectClass = object class to enumerate
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/ pcbEnum, lParam = enumeration callback
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/
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/ Out:
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/ HRESULT
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/----------------------------------------------------------------------------*/
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typedef struct
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{
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LPWSTR pszName;
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LPWSTR pszDisplayName;
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DWORD dwFlags;
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} CLASSATTRIBUTE, * LPCLASSATTRIBUTE;
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INT _FreeAttribute(LPCLASSATTRIBUTE pca)
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{
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LocalFreeStringW(&pca->pszName);
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LocalFreeStringW(&pca->pszDisplayName);
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LocalFree(pca);
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return 1;
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}
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INT _FreeAttributeCB(LPVOID pv1, LPVOID pv2)
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{
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return _FreeAttribute((LPCLASSATTRIBUTE)pv1);
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}
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HRESULT _AddAttribute(HDPA hdpa, LPCWSTR pszName, LPCWSTR pszDisplayName, DWORD dwFlags)
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{
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HRESULT hres;
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LPCLASSATTRIBUTE pca = NULL;
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USES_CONVERSION;
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TraceEnter(TRACE_CORE, "_AddAttribute");
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Trace(TEXT("Adding %s (%s)"), W2CT(pszDisplayName), W2CT(pszName));
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pca = (LPCLASSATTRIBUTE)LocalAlloc(LPTR, SIZEOF(CLASSATTRIBUTE));
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if ( !pca )
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ExitGracefully(hres, E_OUTOFMEMORY, "Failed to allocate CLASSATTRIBUTE");
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// pca->pszName = NULL;
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// pca->pszDisplayName = NULL;
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pca->dwFlags = dwFlags;
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hres = LocalAllocStringW(&pca->pszName, pszName);
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FailGracefully(hres, "Failed to copy the name");
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hres = LocalAllocStringW(&pca->pszDisplayName, pszDisplayName);
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FailGracefully(hres, "Failed to copy the name");
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if ( -1 == DPA_AppendPtr(hdpa, pca) )
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ExitGracefully(hres, E_OUTOFMEMORY, "Failed to append the record to the DPA");
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hres = S_OK;
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exit_gracefully:
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if ( FAILED(hres) && pca )
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_FreeAttribute(pca);
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TraceLeaveResult(hres);
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}
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HRESULT _AddAttributeCB(LPARAM lParam, LPCWSTR pszName, LPCWSTR pszDisplayName, DWORD dwFlags)
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{
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return _AddAttribute((HDPA)lParam, pszName, pszDisplayName, dwFlags);
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}
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INT _CompareAttributeCB(LPVOID pv1, LPVOID pv2, LPARAM lParam)
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{
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LPCLASSATTRIBUTE pca1 = (LPCLASSATTRIBUTE)pv1;
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LPCLASSATTRIBUTE pca2 = (LPCLASSATTRIBUTE)pv2;
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return StrCmpIW(pca1->pszDisplayName, pca2->pszDisplayName);
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}
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HRESULT EnumClassAttributes(IDsDisplaySpecifier *pdds, LPCWSTR pszObjectClass, LPDSENUMATTRIBUTES pcbEnum, LPARAM lParam)
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{
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HRESULT hres;
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HDPA hdpaAttributes = NULL;
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WCHAR szBuffer[MAX_PATH];
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INT i;
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TraceEnter(TRACE_CORE, "EnumClassAttributes");
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hdpaAttributes = DPA_Create(16);
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if ( !hdpaAttributes )
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ExitGracefully(hres, E_OUTOFMEMORY, "Failed to allocate the DPA");
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//
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// add the stock properties for objectClass and ADsPath
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//
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LoadStringW(GLOBAL_HINSTANCE, IDS_OBJECTCLASS, szBuffer, ARRAYSIZE(szBuffer));
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hres = _AddAttribute(hdpaAttributes, c_szObjectClassCH, szBuffer, DSECAF_NOTLISTED);
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FailGracefully(hres, "Failed to add the ObjectClass default property");
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LoadStringW(GLOBAL_HINSTANCE, IDS_ADSPATH, szBuffer, ARRAYSIZE(szBuffer));
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hres = _AddAttribute(hdpaAttributes, c_szADsPathCH, szBuffer, DSECAF_NOTLISTED);
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FailGracefully(hres, "Failed to add the ObjectClass default property");
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//
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// now call the IDsDisplaySpecifier object to enumerate the properites correctly
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//
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TraceMsg("Calling IDsDisplaySpecifier::EnumClassAttributes");
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hres = pdds->EnumClassAttributes(pszObjectClass, _AddAttributeCB, (LPARAM)hdpaAttributes);
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FailGracefully(hres, "Failed to add the attributes");
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//
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// now sort and return them all to the caller via their callback funtion
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//
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Trace(TEXT("Sorting %d attributes, to return to the caller"), DPA_GetPtrCount(hdpaAttributes));
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DPA_Sort(hdpaAttributes, _CompareAttributeCB, NULL);
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for ( i = 0 ; i < DPA_GetPtrCount(hdpaAttributes) ; i++ )
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{
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LPCLASSATTRIBUTE pca = (LPCLASSATTRIBUTE)DPA_FastGetPtr(hdpaAttributes, i);
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TraceAssert(pca);
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hres = pcbEnum(lParam, pca->pszName, pca->pszDisplayName, pca->dwFlags);
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FailGracefully(hres, "Failed in cb to original caller");
|
|
}
|
|
|
|
hres = S_OK;
|
|
|
|
exit_gracefully:
|
|
|
|
if ( hdpaAttributes )
|
|
DPA_DestroyCallback(hdpaAttributes, _FreeAttributeCB, NULL);
|
|
|
|
TraceLeaveResult(hres);
|
|
}
|
|
|
|
|
|
/*-----------------------------------------------------------------------------
|
|
/ GetFriendlyAttributeName
|
|
/ ------------------------
|
|
/ Trim the column handler information if needed, and call the
|
|
/ friendly attribute name functions.
|
|
/
|
|
/ In:
|
|
/ pdds -> IDsDisplaySpecifier object
|
|
/ pszObjectClass, pszAttributeName => attribute info to look up
|
|
/ pszBuffer, chh => return buffer
|
|
/
|
|
/ Out:
|
|
/ HRESULT
|
|
/----------------------------------------------------------------------------*/
|
|
HRESULT GetFriendlyAttributeName(IDsDisplaySpecifier *pdds, LPCWSTR pszObjectClass, LPCWSTR pszAttributeName, LPWSTR pszBuffer, UINT cch)
|
|
{
|
|
HRESULT hres = S_OK;
|
|
WCHAR szAttributeName[MAX_PATH];
|
|
USES_CONVERSION;
|
|
|
|
TraceEnter(TRACE_CORE, "GetFriendlyAttributeName");
|
|
|
|
//
|
|
// trim off the attribute suffix if we have one (eg: the GUID for the column handler)
|
|
//
|
|
|
|
if ( wcschr(pszAttributeName, L',') )
|
|
{
|
|
TraceMsg("Has column handler information");
|
|
|
|
StrCpyW(szAttributeName, pszAttributeName);
|
|
LPWSTR pszSeperator = wcschr(szAttributeName, L',');
|
|
*pszSeperator = L'\0';
|
|
|
|
pszAttributeName = szAttributeName;
|
|
}
|
|
|
|
//
|
|
// pick off some special cases before passing onto the COM object to process
|
|
//
|
|
|
|
Trace(TEXT("Looking up name for: %s"), W2CT(pszAttributeName));
|
|
|
|
if ( !StrCmpIW(pszAttributeName, c_szADsPath) )
|
|
{
|
|
LoadStringW(GLOBAL_HINSTANCE, IDS_ADSPATH, pszBuffer, cch);
|
|
}
|
|
else if ( !StrCmpIW(pszAttributeName, c_szObjectClass) )
|
|
{
|
|
LoadStringW(GLOBAL_HINSTANCE, IDS_OBJECTCLASS, pszBuffer, cch);
|
|
}
|
|
else
|
|
{
|
|
hres = pdds->GetFriendlyAttributeName(pszObjectClass, pszAttributeName, pszBuffer, cch);
|
|
}
|
|
|
|
TraceLeaveResult(hres);
|
|
}
|