415 lines
9.2 KiB
C++
415 lines
9.2 KiB
C++
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/* ADUTIL.CPP
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**
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** Copyright (C) Microsoft Corp. 1998-1999, All Rights Reserved.
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**
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** Utility functions for interfacing with the IActiveDesktop
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** services. These services are documented in the Internet SDK.
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**
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** Created by: David Schott, January 1998
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*/
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#include <windows.h>
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#include <mbctype.h>
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#include <objbase.h>
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#include <initguid.h>
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#include "..\inc\wininet.h"
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#include "..\inc\shlguid.h"
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#include "..\inc\shlobj.h"
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#define MAX_VALUELEN 1024 // Also defined in FROST.H!!
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// Extern globals
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extern "C" HWND hWndApp; // Handle to Desktop Themes window
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// Globals
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IActiveDesktop *g_pIAD = NULL; // IActiveDesktop interface
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BOOL InitIAD()
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{
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HRESULT hr = E_FAIL;
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// Bring in the library
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hr = CoInitialize(NULL);
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if (FAILED(hr))
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{
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//MessageBox(hWndApp, TEXT("CoInit failed"), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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return FALSE;
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}
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g_pIAD = NULL;
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hr = CoCreateInstance(CLSID_ActiveDesktop, NULL,
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CLSCTX_INPROC_SERVER, IID_IActiveDesktop, (void **)&g_pIAD);
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if(!FAILED(hr))
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{
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//MessageBox(hWndApp, TEXT("CoCreateInsance successful"), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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return TRUE;
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}
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else
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{
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//MessageBox(hWndApp, TEXT("CoCreateInstance failed"), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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CoUninitialize();
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return FALSE;
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}
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}
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void IADCleanUp()
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{
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if (g_pIAD) g_pIAD->Release();
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g_pIAD = NULL;
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CoUninitialize();
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return;
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}
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extern "C" BOOL IsActiveDesktopOn()
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{
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HRESULT hr = E_FAIL;
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COMPONENTSOPT ADOptions;
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SHELLFLAGSTATE sfs;
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HINSTANCE hInst = 0;
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typedef VOID (*MYPROC)(LPSHELLFLAGSTATE, DWORD);
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MYPROC SHGetSettings;
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// Rumor has it this will help guarantee that our AD interface
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// is in sync.
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// SHGetSettings(&sfs, 0);
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hInst = LoadLibrary(TEXT("SHELL32.DLL"));
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if (hInst)
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{
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SHGetSettings = (MYPROC)GetProcAddress(hInst, "SHGetSettings");
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if (SHGetSettings)
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{
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//MessageBox(NULL, TEXT("Calling SHGetSettings"), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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SHGetSettings(&sfs, 0);
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}
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FreeLibrary(hInst);
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}
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if (!InitIAD()) {
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//MessageBox(hWndApp, TEXT("INITIAD Failed"), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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return FALSE;
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}
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ZeroMemory(&ADOptions, sizeof(ADOptions));
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ADOptions.dwSize = sizeof(ADOptions);
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// Paranoid check
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if (!g_pIAD) {
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IADCleanUp();
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return FALSE;
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}
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hr = g_pIAD->GetDesktopItemOptions(&ADOptions, 0);
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if (FAILED(hr)) {
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IADCleanUp();
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return FALSE;
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}
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else {
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//if (ADOptions.fActiveDesktop)
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// MessageBox(hWndApp, TEXT("ActiveDesktop enabled."), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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//else MessageBox(hWndApp, TEXT("ActiveDesktop disabled."), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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if (ADOptions.fActiveDesktop) {
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IADCleanUp();
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return TRUE;
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}
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else {
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IADCleanUp();
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return FALSE;
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}
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}
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// SHOULD NEVER FALL THROUGH TO THIS BUT JUST IN CASE
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IADCleanUp();
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return FALSE;
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}
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extern "C" BOOL SetADWallpaper(LPTSTR lpszWallpaper, BOOL bForceADOn)
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{
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HRESULT hr = E_FAIL;
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COMPONENTSOPT ADOptions;
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SHELLFLAGSTATE sfs;
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HINSTANCE hInst = 0;
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typedef VOID (*MYPROC)(LPSHELLFLAGSTATE, DWORD);
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MYPROC SHGetSettings;
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#ifndef UNICODE
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WCHAR wszWallpaper[MAX_PATH];
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#endif
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UINT uCodePage;
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// Rumor has it this will help guarantee that our AD interface
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// is in sync.
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// SHGetSettings(&sfs, 0);
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hInst = LoadLibrary(TEXT("SHELL32.DLL"));
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if (hInst)
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{
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SHGetSettings = (MYPROC)GetProcAddress(hInst, "SHGetSettings");
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if (SHGetSettings)
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{
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//MessageBox(NULL, TEXT("Calling SHGetSettings"), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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SHGetSettings(&sfs, 0);
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}
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FreeLibrary(hInst);
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}
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if (!InitIAD()) {
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return FALSE;
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}
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// Paranoid check
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if (!g_pIAD) {
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IADCleanUp();
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return FALSE;
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}
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uCodePage = _getmbcp();
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#ifndef UNICODE
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//MessageBox(hWndApp, lpszWallpaper, TEXT("SetADWallpaper"), MB_OK | MB_APPLMODAL);
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MultiByteToWideChar(uCodePage, 0, lpszWallpaper, -1,
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wszWallpaper, MAX_PATH);
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#endif
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#ifdef UNICODE
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//MessageBox(hWndApp, lpszWallpaper, TEXT("SetADWallpaper"), MB_OK | MB_APPLMODAL);
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hr = g_pIAD->SetWallpaper(lpszWallpaper, 0);
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#else
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hr = g_pIAD->SetWallpaper(wszWallpaper, 0);
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#endif
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if (FAILED(hr)) {
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IADCleanUp();
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return FALSE;
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}
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if (bForceADOn) {
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ZeroMemory(&ADOptions, sizeof(ADOptions));
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ADOptions.dwSize = sizeof(ADOptions);
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hr = g_pIAD->GetDesktopItemOptions(&ADOptions, 0);
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if (FAILED(hr)) {
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IADCleanUp();
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return FALSE;
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}
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//if (ADOptions.fActiveDesktop)
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// MessageBox(hWndApp, TEXT("ActiveDesktop enabled."), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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//else MessageBox(hWndApp, TEXT("ActiveDesktop disabled."), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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if (!ADOptions.fActiveDesktop) {
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// Turn AD on
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ADOptions.dwSize = sizeof(ADOptions);
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ADOptions.fActiveDesktop = TRUE;
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g_pIAD->SetDesktopItemOptions(&ADOptions, 0);
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}
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}
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g_pIAD->ApplyChanges(AD_APPLY_ALL | AD_APPLY_FORCE);
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IADCleanUp();
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return TRUE;
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}
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extern "C" BOOL GetADWallpaper(LPTSTR lpszWallpaper)
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{
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HRESULT hr = E_FAIL;
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#ifndef UNICODE
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WCHAR wszWallpaper[MAX_PATH];
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#endif
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UINT uCodePage;
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if (!InitIAD()) {
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// MessageBox(hWndApp, TEXT("INITIAD Failed"), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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return FALSE;
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}
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// Paranoid check
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if (!g_pIAD) {
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IADCleanUp();
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return FALSE;
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}
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uCodePage = _getmbcp();
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#ifdef UNICODE
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hr = g_pIAD->GetWallpaper(lpszWallpaper, MAX_PATH, 0);
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#else
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hr = g_pIAD->GetWallpaper(wszWallpaper, MAX_PATH, 0);
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#endif
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if (FAILED(hr)) {
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IADCleanUp();
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return FALSE;
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}
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else {
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#ifndef UNICODE
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WideCharToMultiByte(uCodePage, 0, wszWallpaper, -1, lpszWallpaper,
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MAX_PATH, NULL, NULL);
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#endif
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//MessageBox(hWndApp, lpszWallpaper, TEXT("GetWallpaper"), MB_OK | MB_APPLMODAL);
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IADCleanUp();
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return TRUE;
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}
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}
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extern "C" BOOL GetADWPOptions (DWORD *dwStyle)
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{
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WALLPAPEROPT WPOptions;
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HRESULT hr = E_FAIL;
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if (!InitIAD()) {
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// MessageBox(hWndApp, TEXT("INITIAD Failed"), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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return FALSE;
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}
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// Paranoid check
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if (!g_pIAD) {
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IADCleanUp();
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return FALSE;
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}
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ZeroMemory(&WPOptions, sizeof(WALLPAPEROPT));
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WPOptions.dwSize = sizeof(WALLPAPEROPT);
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hr = g_pIAD->GetWallpaperOptions(&WPOptions, 0);
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if (FAILED(hr)) {
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IADCleanUp();
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return FALSE;
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}
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else {
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*dwStyle = WPOptions.dwStyle;
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IADCleanUp();
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return TRUE;
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}
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}
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extern "C" BOOL SetADWPOptions (DWORD dwStyle)
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{
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WALLPAPEROPT WPOptions;
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HRESULT hr = E_FAIL;
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if (!InitIAD()) {
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// MessageBox(hWndApp, TEXT("INITIAD Failed"), TEXT("ADUTIL"), MB_OK | MB_APPLMODAL);
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return FALSE;
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}
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// Paranoid check
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if (!g_pIAD) {
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IADCleanUp();
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return FALSE;
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}
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ZeroMemory(&WPOptions, sizeof(WALLPAPEROPT));
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WPOptions.dwSize = sizeof(WALLPAPEROPT);
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WPOptions.dwStyle = dwStyle;
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hr = g_pIAD->SetWallpaperOptions(&WPOptions, 0);
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if (FAILED(hr)) {
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IADCleanUp();
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return FALSE;
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}
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else {
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g_pIAD->ApplyChanges(AD_APPLY_ALL);
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IADCleanUp();
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return TRUE;
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}
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}
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extern "C" BOOL GetADWPPattern (LPTSTR lpszPattern)
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{
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HRESULT hr = E_FAIL;
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#ifndef UNICODE
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WCHAR wszPat[MAX_VALUELEN]; // Assume this is big enough?
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#endif
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UINT uCodePage;
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if (!InitIAD()) {
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return FALSE;
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}
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// Paranoid check
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if (!g_pIAD) {
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IADCleanUp();
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return FALSE;
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}
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uCodePage = _getmbcp();
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#ifdef UNICODE
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hr = g_pIAD->GetPattern(lpszPattern, MAX_VALUELEN, 0);
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#else
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hr = g_pIAD->GetPattern(wszPat, MAX_VALUELEN, 0);
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#endif
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if (FAILED(hr)) {
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IADCleanUp();
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return FALSE;
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}
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else {
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#ifndef UNICODE
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WideCharToMultiByte(uCodePage, 0, wszPat, -1, lpszPattern,
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MAX_VALUELEN, NULL, NULL);
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#endif
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IADCleanUp();
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return TRUE;
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}
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}
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extern "C" BOOL SetADWPPattern (LPTSTR lpszPattern)
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{
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HRESULT hr = E_FAIL;
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#ifndef UNICODE
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WCHAR wszPat[MAX_VALUELEN]; // Assume this is big enough?
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#endif
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UINT uCodePage;
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if (!InitIAD()) {
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return FALSE;
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}
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// Paranoid check
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if (!g_pIAD) {
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IADCleanUp();
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return FALSE;
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}
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uCodePage = _getmbcp();
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#ifndef UNICODE
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MultiByteToWideChar(uCodePage, 0, lpszPattern, -1,
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wszPat, MAX_VALUELEN);
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#endif
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#ifdef UNICODE
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hr = g_pIAD->SetPattern(lpszPattern, 0);
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#else
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hr = g_pIAD->SetPattern(wszPat, 0);
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#endif
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|
|
if (FAILED(hr)) {
|
||
|
|
IADCleanUp();
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
g_pIAD->ApplyChanges(AD_APPLY_ALL);
|
||
|
|
IADCleanUp();
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
}
|