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it exist from a previous creation, are you suggesting i dont' need RegSaveKey() ? &nbsp;and is my conversion of string to char right ?
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it exist from a previous creation, are you suggesting i dont' need RegSaveKey() ?  and is my conversion of string to char right ?

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What's wrong with this: <br />
<br />
CString newpass = &quot;Hello&quot;;<br />
char var2[20]; <br />
strcpy(var2, (LPCSTR)newpass); // copies the string <br />
<br />
HKEY MyKey;<br />
DWORD dwcbData = sizeof(var2); <br />
<br />
RegOpenKeyEx(HKEY_LOCAL_MA<wbr />CHINE,&quot;Sof<wbr />tware\\Win<wbr />M&quot;,0,KEY_A<wbr />LL_ACCESS,<wbr />&amp;MyKey);<br />
RegSetValueEx(MyKey, &quot;WinM&quot;, 0, REG_SZ, (LPBYTE)&amp;var2, dwcbData);<br />
RegSaveKey(MyKey, &quot;WinM&quot;, NULL);<br />
RegCloseKey(MyKey);
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What's wrong with this: 

CString newpass = "Hello";
char var2[20]; 
strcpy(var2, (LPCSTR)newpass); // copies the string 

HKEY MyKey;
DWORD dwcbData = sizeof(var2); 

RegOpenKeyEx(HKEY_LOCAL_MACHINE,"Software\\WinM",0,KEY_ALL_ACCESS,&MyKey);
RegSetValueEx(MyKey, "WinM", 0, REG_SZ, (LPBYTE)&var2, dwcbData);
RegSaveKey(MyKey, "WinM", NULL);
RegCloseKey(MyKey);

Registry

Kernel and system programming is the process of creating the software necessary for a computer or device to function and operate other programs. Some operating systems (such as Microsoft Windows) are proprietary, but others, such as the various Linux distributions, are open source.