RegDeleteKeyEx function Null safety
Deletes a subkey and its values from the specified platform-specific view of the registry. Note that key names are not case sensitive.
LSTATUS RegDeleteKeyExW( HKEY hKey, LPCWSTR lpSubKey, REGSAM samDesired, DWORD Reserved);
int RegDeleteKeyEx( int hKey, Pointer<Utf16> lpSubKey, int samDesired, int Reserved) => _RegDeleteKeyEx(hKey, lpSubKey, samDesired, Reserved);