Windows Mobile设置壁纸代码实现

cppÎļþ
#ifdef WIN32_PLATFORM_PSPC

#include "TodayScreen.h"

#include <shellapi.h>
#include <Regext.h>

#include <objsafe.h>
#include <ocidl.h>
#include <Oaidl.h>
#include <initguid.h>
#include <imaging.h>

#define MY_JPEG        TEXT("MY.jpg")

#define REG_KEY_ROOT        HKEY_CURRENT_USER
#define REG_KEY_TODAY        TEXT("Software\\Microsoft\\Today")

static BOOL Bmp2Jpeg( LPCTSTR szBmp, LPCTSTR szJpeg );

CTodayScreen::CTodayScreen()
{
}

CTodayScreen::~CTodayScreen()
{

}

BOOL CTodayScreen::SetWallPaper( LPTSTR szBgImage )
{
        TCHAR szMyJpeg[MAX_PATH];
        // Convert to .jpg
        SHGetSpecialFolderPath( NULL, szMyJpeg, CSIDL_PERSONAL, FALSE );
        _tcscat( szMyJpeg, TEXT("\\") );
        _tcscat( szMyJpeg, MY_JPEG );

        if ( !Bmp2Jpeg( szBgImage, szMyJpeg ) )
        {
                return FALSE;
        }

        // Delete targ
        DeleteFile( TEXT("\\Windows\\tdywater.gif") );
        DeleteFile( TEXT("\\Windows\\tdywater.jpg") );
        DeleteFile( TEXT("\\Windows\\stwater.gif") );
        DeleteFile( TEXT("\\Windows\\stwater.jpg") );
        DeleteFile( TEXT("\\Windows\\stwater_320_240.gif") );
        DeleteFile( TEXT("\\Windows\\stwater_240_320.gif") );

        CopyFile( szMyJpeg, TEXT("\\Windows\\stwater_320_240.jpg") ,FALSE);
        CopyFile( szMyJpeg, TEXT("\\Windows\\stwater_240_320.jpg") ,FALSE);

        // modify registry
        RegistrySetDWORD( REG_KEY_ROOT, REG_KEY_TODAY, TEXT("UseStartImage"), 1 );
        RegistrySetString( REG_KEY_ROOT, REG_KEY_TODAY, TEXT("Wall"), TEXT("InterGrafx") );

        return TRUE;
}