Drawing simple graphics under Windows console

The sample code will be in the registry location: hkey_current_user\software\ read-write key value

BOOL Licensemanage::openregkey (hkey& hretkey) {if (error_success = = RegOpenKey (HKEY_CURRENT_USER, "Software",    &hretkey)) {return true; } return false;}    BOOL Licensemanage::createregkey (String strSubKey, String strValueName, String strvalue) {HKEY HKEY;    HKEY Hsubkey;        if (Openregkey (HKey)) {//Create key RegCreateKey (Hkey,strsubkey.c_str (), &hsubkey); Set the key value if (error_success! = RegSetValueEx (Hsubkey,strvaluename.c_str (), 0,REG_SZ, (CONST BYTE *) strvalue.c_str (), str        Value.size () +1) {return false; } regclosekey (HKey);    Close registry return true; } return false;}    BOOL Licensemanage::queryregkey (String strSubKey, String strValueName, string& strvalue) {DWORD dwtype= 1;//define data type    DWORD Dwlen = MAX_PATH;    Char Data[max_path];    memset (data,0,sizeof (data));    HKEY HKEY;    HKEY Hsubkey;        if (Openregkey (HKey)) {string strtempkey = "software\\" +strsubkey; if (ErroR_success = = RegOpenKey (Hkey_current_user,strtempkey.c_str (), &hsubkey)) {if (error_success = = RegQ Ueryvalueex (Hsubkey,strvaluename.c_str (), 0,&dwtype, (LPBYTE) Data,&dwlen)) {strvalue = da                Ta RegCloseKey (HKey);            Close registry return true; }} RegCloseKey (HKey); Close the registry} return false;    BOOL Licensemanage::setregkey (String strSubKey, String strValueName, String strvalue) {HKEY HKEY;    HKEY Hsubkey;        if (Openregkey (HKey)) {string strtempkey = "software\\" +strsubkey;  if (error_success = = RegOpenKey (Hkey_current_user,strtempkey.c_str (), &hsubkey)) {if (error_success                = = RegSetValueEx (Hsubkey,strvaluename.c_str (), 0,REG_SZ, (LPBYTE) strvalue.c_str (), Strvalue.size ())) { RegCloseKey (HKey);            Close registry return true; }} RegCloseKey (HKey); Close the registry} return false;

Drawing simple graphics under Windows console