/// <summary>
/// Retrieves a <see cref="bool" /> value from this <see cref="RegistryKey" /> that is represented as a REG_DWORD value. Returns <see langword="null" />, if the value does not exist in the registry, is not a REG_DWORD value, or is not equal to 0 or 1.
/// </summary>
/// <param name="key">The <see cref="RegistryKey" /> to read the value from.</param>
/// <param name="name">A <see cref="string" /> value specifying the name of the value to read.</param>
/// <returns>
/// <see langword="true" />, if the value is a REG_DWORD and is equal to 1;
/// <see langword="false" />, if the value is a REG_DWORD and is equal to 0;
/// otherwise, <see langword="null" />.
/// </returns>
public static bool?GetBooleanValue(this RegistryKey key, string name)
{
Check.ArgumentNull(key, nameof(key));
return(key.GetInt32Value(name) switch
{
0 => false,
1 => true,
_ => (bool?)null
});