1

HelloStyletClient/Pages/ShellView.xaml

@@ -21,14 +21,16 @@
                 Width="400"
                 HorizontalAlignment="Center" 
                 VerticalAlignment="Center" 
-                Text="{Binding WelcomeWord, UpdateSourceTrigger=PropertyChanged}"
+                Text="{Binding CurrentWorkRecord.WelcomeWord, UpdateSourceTrigger=PropertyChanged}"
+                TextChanged="{s:Action WelcomeWordTextChanged}"
                 />
             <Button 
                 Margin="0,20,0,0" 
                 Content="提交" 
                 FontSize="24" 
                 Command="{s:Action SubmitMe}"
-                IsEnabled="{Binding IsCanSubmitMe}"
+                CommandParameter="Hello"
+                IsEnabled="{Binding CurrentWorkRecord.IsCanSubmitMe}"
                 />
         </StackPanel>
     </Grid>

HelloStyletClient/Pages/ShellViewModel.cs

@@ -1,8 +1,53 @@
-using Stylet;
+using System.Diagnostics;
+using System;
+using System.Security.Claims;
+using Stylet;
 
 namespace HelloStyletClient.Pages
 {
     public class ShellViewModel : Screen
+    {
+        // /// <summary>
+        // /// 欢迎词
+        // /// </summary>
+        // /// <value></value>
+        // public string WelcomeWord { get; set; } = "Hello Stylet!";
+
+        // /// <summary>
+        // /// 能否提交
+        // /// </summary>
+        // /// <value></value>
+        // public bool IsCanSubmitMe => !string.IsNullOrEmpty(CurrentWorkRecord.WelcomeWord);
+
+        /// <summary>
+        /// 当前工作记录
+        /// </summary>
+        /// <returns></returns>
+        public WorkRecord CurrentWorkRecord { get; set; } = new WorkRecord();
+
+        /// <summary>
+        /// 提交事件
+        /// </summary>
+        public void SubmitMe(string argument)
+        {
+            CurrentWorkRecord.WelcomeWord += $" {argument}";
+        }
+
+        /// <summary>
+        /// 欢迎词变更事件
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        public void WelcomeWordTextChanged(object sender, EventArgs e)
+        {
+           Debug.WriteLine(((System.Windows.Controls.TextBox)sender)?.Text ?? string.Empty);
+        }
+    }
+
+    /// <summary>
+    /// 工作记录
+    /// </summary>
+    public class WorkRecord : PropertyChangedBase
     {
         /// <summary>
         /// 欢迎词
@@ -15,13 +60,5 @@ namespace HelloStyletClient.Pages
         /// </summary>
         /// <value></value>
         public bool IsCanSubmitMe => !string.IsNullOrEmpty(WelcomeWord);
-
-        /// <summary>
-        /// 提交事件
-        /// </summary>
-        public void SubmitMe()
-        {
-            WelcomeWord += " 提交";
-        }
     }
 }