interface SilentDownloadTask
{
/* IID: { 0x18c2f980, 0xb09f, 0x11d2, \
    {0xbc, 0xde, 0x00, 0x80, 0x5f, 0x0e, 0x13, 0x53}} */
	
	const int SDL_NOT_INITED       	= -2;
	const int SDL_NOT_ADDED       	= -1;
	const int SDL_STARTED    		= 0;
	const int SDL_SUSPENDED			= 1;
	const int SDL_COMPLETED			= 2;
	const int SDL_DOWNLOADING_NOW	= 3;
	const int SDL_ERROR				= 4;


	readonly attribute wstring id;
    readonly attribute wstring url;
    readonly attribute wstring script;
	
	attribute long    state;
	attribute wstring errorMsg;
    attribute long    nextByte;
    
	readonly attribute wstring outFile;

	void SilentDownloadTask();
	void Init(in wstring id, in wstring url, in wstring script);
	
	void Remove();
	void Suspend();
	void Resume();
	void DownloadNow();


	void DownloadSelf(in long range);

};