COM应用实例--获取桌面墙纸路径：Win32控制台程序(C++)

/*功能：	获取桌面墙纸的路径，并建立一个该墙纸的快捷方式保存在指定路径说明：	COM应用实例, Win32控制台程序
*/
#include <iostream>
#include <afx.h>
#include <wininet.h>
#include <Shlobj.h>using namespace std;CString getWallpaper()							// 获取桌面墙纸的路径
{WCHAR wszWallpaper[MAX_PATH];CString strPath;HRESULT hr;IActiveDesktop* pIAD;hr = CoCreateInstance(CLSID_ActiveDesktop, NULL, CLSCTX_INPROC_SERVER, IID_IActiveDesktop, (void**)&pIAD);if(SUCCEEDED(hr)){hr = pIAD->GetWallpaper(wszWallpaper, MAX_PATH, 0);		// 获得桌面墙纸的路径if(SUCCEEDED(hr)){wcout<<L"Wallpaper path is: "<<wszWallpaper<<endl;strPath = wszWallpaper;}elsecout<<"GetWallpaper() failed."<<endl;pIAD->Release();}elsecout<<"CoCreateInstance() failed."<<endl;return strPath;
}bool SavetoShellLink(const CString &path)
{bool ret = false;IShellLink *pISL;IPersistFile *pIPF;HRESULT hr = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&pISL);if(SUCCEEDED(hr)){hr = pISL->SetPath(path);				// 设置快捷方式的目标if(SUCCEEDED(hr)){hr = pISL->QueryInterface(IID_IPersistFile, (void**)&pIPF);if(SUCCEEDED(hr)){hr = pIPF->Save(L"C:\\wallPaper.lnk", FALSE);if(SUCCEEDED(hr))				// 快捷方式创建成功ret = true;pIPF->Release();}}pISL->Release();}return ret;
}int main()
{CoInitialize(NULL);							// 初始化COM库(让Windows加载DLLs)CString wallpaper = getWallpaper();if(wallpaper.GetLength() > 0){if(SavetoShellLink(wallpaper))cout<<"SavetoShellLink() Succeeded"<<endl;elsecout<<"SavetoShellLink() Failed"<<endl;}CoUninitialize();return 0;
}