Mozliwosc wykonywania kilku krokow na raz

Life/MainWindow.xaml

@@ -30,12 +30,11 @@
             <GridSplitter Grid.Column="1" Width="3" ResizeDirection="Columns" ResizeBehavior="PreviousAndNext"/>
             
             <StackPanel Orientation="Vertical" Margin="8" Grid.Column="2" HorizontalAlignment="Stretch">
-                <DockPanel HorizontalAlignment="Stretch" Margin="0 0 0 8"> 
+                <DockPanel Margin="0 0 0 8"> 
                     <TextBlock Style="{StaticResource Header}" VerticalAlignment="Center">Iteration</TextBlock>
-                    <TextBlock Style="{StaticResource Value}" Text="{Binding Iteration}" VerticalAlignment="Stretch"/>
+                    <TextBlock Style="{StaticResource Value}" Text="{Binding Iteration}" HorizontalAlignment="Stretch"/>
-                    <Button VerticalAlignment="Center" Command="{Binding StepCommand}" HorizontalAlignment="Right">
+                    <Button VerticalAlignment="Stretch" Command="{Binding StepCommand}" CommandParameter="{Binding Steps}" DockPanel.Dock="Right" HorizontalAlignment="Right" Padding="8">step</Button>
-                        <TextBlock Margin="4">step</TextBlock>
+                    <TextBox Text="{Binding Steps}" VerticalAlignment="Stretch" HorizontalAlignment="Right" DockPanel.Dock="Right" Padding="8" BorderThickness="1 1 0 1"/>
-                    </Button>
                 </DockPanel>
                 <DockPanel HorizontalAlignment="Stretch" Margin="0 0 0 8"> 
                     <TextBlock Style="{StaticResource Header}" VerticalAlignment="Center" DockPanel.Dock="Left">Size</TextBlock>

Life/MainWindow.xaml.cs

@@ -18,16 +18,13 @@ namespace Life
             {
                 Automaton = new GameOfLife(20, 20),
                 Size = 16,
-                Separation = 2
+                Separation = 2,
+                Steps = 1,
             };
             
             DataContext = ViewModel;
             
             InitializeComponent();   
         }
-
-        private void CommandBinding_OnExecuted(object sender, ExecutedRoutedEventArgs e)
-        {
-        }
     }
 }

Life/ViewModel/AutomatonViewModel.cs

@@ -15,6 +15,7 @@ namespace Life.ViewModel
         private int _separation;
         private int _width;
         private int _height;
+        private int _steps;
         private IAutomaton _automaton;
         private IFormatter _formatter = new BinaryFormatter();
 
@@ -81,6 +82,16 @@ namespace Life.ViewModel
             }
         }
 
+        public int Steps
+        {
+            get => _steps;
+            set
+            {
+                _steps = value;
+                OnPropertyChanged(nameof(Steps));
+            }
+        }
+
         public IField Field => Automaton.Field;
         public int Iteration => Automaton.Iteration;
 
@@ -104,14 +115,15 @@ namespace Life.ViewModel
             Action = HandleSaveCommand
         };
 
-        public ICommand StepCommand => new DelegateCommand<object>
+        public ICommand StepCommand => new DelegateCommand<int>
         {
             Action = Step
         };
 
-        private void Step(object param)
+        private void Step(int param)
         {
-            Automaton.Advance();
+            for (int i = 0; i < param; i++)
+                Automaton.Advance();
 
             OnPropertyChanged(nameof(Iteration));
         }