public MainWindowViewModel(MainWindow mainWindow)
{
statesUndo = new Stack<IMemento>();
statesRedo = new Stack<IMemento>();
commandBindings = mainWindow.CommandBindings;
inkCanvas = mainWindow.InkCanvasWithUndo1;
inkCanvas.MouseUp += InkCanvasWithUndo1_MouseUp;
//Create a command binding for the save command
var saveBindingUndo = new CommandBinding(ApplicationCommands.Undo, OnExecutedCommandsUndo);
var saveBindingRedo = new CommandBinding(ApplicationCommands.Redo, OnExecutedCommandsRedo);
//Register the binding to the class
CommandManager.RegisterClassCommandBinding(typeof (MainWindowViewModel), saveBindingUndo);
//Adds the binding to the CommandBindingCollection
commandBindings.Add(saveBindingUndo);
commandBindings.Add(saveBindingRedo);
StoreState();
}
void System.Windows.Markup.IComponentConnector.Connect(int connectionId, object target) {
switch (connectionId)
{
case 1:
this.window = ((Paint.MainWindow)(target));
return;
case 2:
this.InkCanvasWithUndo1 = ((Paint.InkCanvasWithUndo)(target));
return;
}
this._contentLoaded = true;
}