info页面添加下滑刷新

InfoPage.xaml.cs

@@ -1,5 +1,6 @@
 using CommunityToolkit.Mvvm.Messaging;
 using Microsoft.Maui.Controls;
+using Microsoft.Maui.Controls.PlatformConfiguration.WindowsSpecific;
 using SunlightAggregationTerminal.Class;
 using SunlightAggregationTerminal.Models;
 using System.Collections.ObjectModel;
@@ -12,10 +13,11 @@ public partial class InfoPage : ContentPage
     public static string? _Name, _State, _MachineName, _Machine, _Information, _Model,
         _Type, _ModelA, _ModelB, _ModelC, _ModelD, _ModelE, _ModelF;
 
+
     public InfoPage()
     {
         InitializeComponent();
-
+               
         CardCollectionView.ItemsSource = InfoItems;
         // 注册订阅一个不携带数据的消息（使用 object 作为泛型）
         WeakReferenceMessenger.Default.Register<object>(this, (r, m) =>
@@ -23,6 +25,10 @@ public partial class InfoPage : ContentPage
             // 收到信号，直接触发函数
             HandleUITrigger();
         });
+        //注册当前页面的下滑刷新
+        myRefreshView_.Refreshing += (sender, e) => {
+            TcpServer.TcpTransmit("{\"Command\":\"Info\"}");
+            myRefreshView_.IsRefreshing = false; };
     }
     private void HandleUITrigger()
     {
@@ -61,24 +67,8 @@ public partial class InfoPage : ContentPage
             });
 
         }
-
-        InfoItems.Add(new InfoItem
-        {
-            Name = _Name,
-            State = _State,
-            MachineName = _MachineName,
-            Machine = _Machine,
-            Information = _Information,
-            Type = _Type,
-            Model = _Model,
-            ModelA = _ModelA,
-            ModelB = _ModelB,
-            ModelC = _ModelC,
-            ModelD = _ModelD,
-            ModelE = _ModelE,
-            ModelF = _ModelF
-        });
-
+        CardCollectionView.ItemsSource = InfoItems;
+        myRefreshView_.IsRefreshing = false;
     }
 
     ~InfoPage()//关闭时注销消息