/// <summary>
/// Removes command from property change listener
/// </summary>
/// <param name="cmd">Cmd.</param>
public void RemovePropertyChangeListener(IAtomCommandBase cmd)
{
if (cmd == null)
{
throw new ArgumentNullException(nameof(cmd));
}
var cmdHashCode = cmd.GetHashCode();
foreach (var curr in Commands)
{
if (curr.GetHashCode() == cmdHashCode)
{
Commands.Remove(cmd);
break;
}
}
}
/// <summary>
/// Registers a command to listen to any property change
/// </summary>
/// <param name="cmd">Cmd.</param>
public void AddPropertyChangeListener(IAtomCommandBase cmd)
{
// validate the argument
if (cmd == null)
{
throw new ArgumentNullException(nameof(cmd));
}
// make sure that it is added only once
var cmdHashCode = cmd.GetHashCode();
foreach (var curr in Commands)
{
if (curr.GetHashCode() == cmdHashCode)
{
return;
}
}
// if it does not exist, add the command
Commands.Add(cmd);
}