public Form1()
{
InitializeComponent();
_model.Commands.Add(new NewCommand());
_model.Commands.Add(new SaveCommand());
_model.Commands.Add(new LoadCommand());
_model.Commands.Add(new RubberCommand());
_model.Commands.Add(new ChangeColorCommand());
_model.Commands.Add(new DrawElipseCommand());
_model.Commands.Add(new QuitCommand());
UpdateFormTitle();
_doc.FilePathChanged += (s, e) => UpdateFormTitle();
_doc.IsDirtyChanged += (s, e) => UpdateFormTitle();
_model.LoadAvailablePlugins();
_model.OnQuit += (s, e) => Close();
}