public static ViewportCommand Get(ViewportCommands.Id id)
{
if (Enum.IsDefined(typeof(ViewportCommands.Id), id))
{
if (Commands.TryGetValue(id, out var value))
{
return(value);
}
return(new ViewportCommand(id));
}
return(null);
}
private ViewportCommand(ViewportCommands.Id id)
{
this.Id = id;
Commands[id] = this;
}