/// <summary>
/// Checks if the specified key can be opened with write permissions
/// </summary>
/// <param name="registryKey">The key to check</param>
/// <returns>True if it can be opened with write permissions, otherwise false</returns>
/// <exception cref="ArgumentException">The parent key could not be opened from the Registry key</exception>
/// <exception cref="ObjectDisposedException">The <see cref="RegistryKey"/> is closed (closed keys cannot be accessed)</exception>
public static bool HasWritePermission(this RegistryKey registryKey)
{
try
{
using (var key = registryKey.GetParentKey())
key.OpenSubKey(RegistryHelpers.GetSubKeyName(registryKey.Name))?.Dispose();
return(true);
}
catch (SecurityException)
{
return(false);
}
catch (ObjectDisposedException)
{
throw;
}
catch (Exception ex)
{
throw new ArgumentException("The parent key could not be opened from the Registry key", ex);
}
}
/// <summary>
/// Deletes a registry key and disposes it
/// </summary>
/// <param name="registryKey">The key to delete</param>
/// <param name="recursive">True if all sub-keys and values should be deleted</param>
public static void DeleteKey(this RegistryKey registryKey, bool recursive)
{
// Save the name of the key
string name = RegistryHelpers.GetSubKeyName(registryKey.Name);
// Get the parent key
using (var parent = registryKey.GetParentKey(true))
{
// Dispose the key
registryKey.Dispose();
if (recursive)
{
// Delete the key recursively
parent.DeleteSubKeyTree(name);
}
else
{
// Delete the key
parent.DeleteSubKey(name);
}
}
}
