// Active check
BOOL Cmyadsk::CheckEnableActive(void)
{
HRESULT hr;
IActiveDesktop* pIAD;
//创建接口的实例
hr = CoCreateInstance ( CLSID_ActiveDesktop, NULL, CLSCTX_INPROC_SERVER,
IID_IActiveDesktop, (void**) &pIAD );
COMPONENTSOPT comp;
comp.dwSize = sizeof(comp);
//启用或关闭active desktop
//comp.fActiveDesktop = bEnable;
hr = pIAD->GetDesktopItemOptions(&comp, 0);
if(comp.fActiveDesktop)
return TRUE;
else
return FALSE;
//释放接口的实例
pIAD->Release();
return TRUE;
}
int _tmain(int argc, _TCHAR* argv[])
{
int AutoStartOption = 0;
IActiveDesktop *pActiveDesktop;
::CoInitialize( 0 );
HRESULT hr = CoCreateInstance( CLSID_ActiveDesktop, 0, CLSCTX_INPROC_SERVER, IID_IActiveDesktop, (void**) &pActiveDesktop );
WALLPAPEROPT wopt;
wopt.dwSize = sizeof(wopt);
wopt.dwStyle = WPSTYLE_MAX;
pActiveDesktop->SetWallpaperOptions(&wopt, 0);
pActiveDesktop->SetWallpaper( argv[1], 0 );
pActiveDesktop->ApplyChanges( AD_APPLY_ALL );
pActiveDesktop->Release();
::CoUninitialize();
return 0;
}
int wallpaper_set(LPCTSTR path, int style)
{
HRESULT hr;
IActiveDesktop* pIAD;
CoInitialize(NULL);
hr = CoCreateInstance ( CLSID_ActiveDesktop, NULL, CLSCTX_INPROC_SERVER,
IID_IActiveDesktop, (void**) &pIAD );
if(!SUCCEEDED(hr))
return FALSE;
#ifndef UNICODE
WCHAR wszWallpaper [2*MAX_PATH];
MultiByteToWideChar(CP_ACP, 0, path, -1, wszWallpaper, MAX_PATH);
#else
const WCHAR* wszWallpaper = path;
#endif
hr = pIAD->SetWallpaper(wszWallpaper, 0);
if(!SUCCEEDED(hr))
return FALSE;
WALLPAPEROPT wpo;
wpo.dwSize = sizeof(wpo);
wpo.dwStyle = style;
hr = pIAD->SetWallpaperOptions(&wpo, 0);
if(!SUCCEEDED(hr))
return FALSE;
hr = pIAD->ApplyChanges(AD_APPLY_ALL);
if(!SUCCEEDED(hr))
return FALSE;
pIAD->Release();
CoUninitialize();
return TRUE;
}
// Cmyadsk 成员函数
BOOL Cmyadsk::SetWallPaper(LPWSTR strPicFile, DWORD dwStyle)
{
HRESULT hr;
IActiveDesktop* pIAD;
//创建接口的实例
hr = CoCreateInstance ( CLSID_ActiveDesktop, NULL, CLSCTX_INPROC_SERVER,
IID_IActiveDesktop, (void**) &pIAD );
if(!SUCCEEDED(hr)) return FALSE;
//将文件名改为宽字符串,这是IActiveDesktop::SetWallpaper的要求
//WCHAR wszWallpaper [MAX_PATH];
//LPTSTR lpStr = strPicFile.GetBuffer(strPicFile.GetLength() );
//MultiByteToWideChar(CP_ACP, 0, lpStr, -1, wszWallpaper, MAX_PATH);
//strPicFile.ReleaseBuffer();
//设置墙纸
hr = pIAD->SetWallpaper(strPicFile, 0);
if(!SUCCEEDED(hr)) return FALSE;
//设置墙纸的样式
WALLPAPEROPT wpo;
wpo.dwSize = sizeof(wpo);
wpo.dwStyle = dwStyle;
hr = pIAD->SetWallpaperOptions(&wpo, 0);
if(!SUCCEEDED(hr)) return FALSE;
//应用墙纸的设置
hr = pIAD->ApplyChanges(AD_APPLY_ALL);
if(!SUCCEEDED(hr)) return FALSE;
//读取墙纸的文件名并打印在debug窗口内
//LPWSTR aa;
//hr = pIAD->GetWallpaper(aa, MAX_PATH, 0);
//CString strFile = aa;
//TRACE(strFile); //如果不用位图的话,这里有你意想不到的发现
//释放接口的实例
pIAD->Release();
CoFreeUnusedLibraries();
CoUninitialize();
return TRUE;
}
void SetDesktopWallPaper(LPWSTR wallpaper)
{
CoInitialize(NULL);
IActiveDesktop *pDesk;
if( S_OK != CoCreateInstance ( CLSID_ActiveDesktop, NULL, CLSCTX_INPROC_SERVER, IID_IActiveDesktop, (void**) &pDesk ) )
{
pDesk->Release();
return ;
}
pDesk->SetWallpaper(wallpaper,0);
WALLPAPEROPT wallpaperopt;
wallpaperopt.dwSize = sizeof(WALLPAPEROPT);
wallpaperopt.dwStyle = WPSTYLE_CENTER;
pDesk->SetWallpaperOptions(&wallpaperopt,0);
pDesk->ApplyChanges(AD_APPLY_ALL);
pDesk->Release();
CoFreeUnusedLibraries();
CoUninitialize();
}
