添加时间

SlnMesnac.WPF/MainWindow.xaml

@@ -44,7 +44,7 @@
                                 <ColumnDefinition/>
                             </Grid.ColumnDefinitions>
                             <Border Grid.Column="0">
-                                <Label Content="yyyy-MM-dd-HH-mm" FontSize="21"  HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0,0,0,8"/>
+                                <Label  Content="{Binding TimeNow}" Name="NowTime" FontSize="21"  HorizontalAlignment="Center" VerticalAlignment="Center" Margin="0,0,0,8"/>
 
                             </Border>
                             <Border Grid.Column="1">

SlnMesnac.WPF/MainWindow.xaml.cs

@@ -26,6 +26,24 @@ namespace SlnMesnac.WPF
             InitializeComponent();
 
             this.DataContext = new MainWindowViewModel();
+            //监听键盘按键事件，如果按ESC则关闭该窗口
+            this.KeyDown += Esc_Exit_KeyDown;    
         }
+        
+        
+        #region 按键：ESC关闭
+        //监听键盘按键事件，如果按ESC则关闭该窗口
+        private void Esc_Exit_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.Key == Key.Escape)
+            {
+                this.Close();
+                Application.Current.Shutdown();
+                //获取该用户控件的上级窗口
+                //Window wid = Window.GetWindow(this);
+                //wid.Close();
+            }
+        }
+        #endregion
     }
 }

SlnMesnac.WPF/ViewModel/MainWindowViewModel.cs

@@ -7,6 +7,7 @@ using SlnMesnac.WPF.Page;
 
 using System;
 using System.Windows;
+using System.Windows.Threading;
 
 namespace SlnMesnac.WPF.ViewModel
 {
@@ -17,6 +18,13 @@ namespace SlnMesnac.WPF.ViewModel
         private HomePage homePage = new HomePage();
         private LaminatePage laminatePage = new LaminatePage();
 
+        private string _TimeNow;
+        public string TimeNow
+        {
+            get => _TimeNow;
+            set { _TimeNow = value; RaisePropertyChanged(); }
+        }
+       
 
         #region 参数定义
         /// <summary>
@@ -88,8 +96,27 @@ namespace SlnMesnac.WPF.ViewModel
             ControlOnClickCommand = new RelayCommand<object>(obj => ControlOnClick(obj));
             FormControlCommand = new RelayCommand<object>(x => FormControl(x));
 
+         
+            DispatcherTimer timer = new DispatcherTimer(DispatcherPriority.Send)
+            {
+                Interval = new TimeSpan(0, 0, 0, 1)
+            };
+            timer.Tick += timer_Tick;
+            timer.IsEnabled = true;         
+            
+            //监听键盘按键事件，如果按ESC则关闭该窗口
+           // this.KeyDown += Esc_Exit_KeyDown;
+
+        }
+        
+        /*事件处理器*/
+        private void timer_Tick(object sender, EventArgs e)
+        {
+            TimeNow = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
+             
         }
       
+
         /// <summary>
         ///  窗体控制
         /// </summary>
@@ -151,5 +178,9 @@ namespace SlnMesnac.WPF.ViewModel
             }
         }
         
+        
+        
+      
+
     }
 }