#include <iostream.h>
#include <windows.h>							//包含头文件
void main()
{
	HKEY hKey = NULL,h = NULL;
	char str[MAX_PATH];
	DWORD num = sizeof(str),index = 0,rc1;
	rc1=::RegOpenKeyEx(HKEY_CURRENT_USER,"Printers",0,KEY_ALL_ACCESS,
	&hKey);
	if(rc1==ERROR_SUCCESS)
	{
		while( RegEnumKeyEx(hKey,index,str,&num,NULL,NULL,NULL,NULL)==0 )
									//枚举键值
		{
				cout<<str<<endl;
				index++;
				num = MAX_PATH;
		}
		cout<<"Number Of index="<<index<<endl;		
	}
	else
	{
		cout<<"Can't Open The Key!"<<endl;;		//打开时出错
	}
	RegCloseKey(hKey);
}