* UIForm: 优化UIPage的Init和Final加载逻辑

* UITabControl: 优化UIPage的Init和Final加载逻辑

SunnyUI/Controls/UINavMenuHelper.cs

@@ -360,6 +360,8 @@ namespace Sunny.UI
             return CreateTabIfNotExists(new NavMenuItem("", guid));
         }
 
+        public event TabPageAndUIPageEventHandler TabPageAndUIPageChanged;
+
         public bool SelectPage(int pageIndex)
         {
             if (pageIndex < 0)
@@ -381,6 +383,7 @@ namespace Sunny.UI
                     if (tabControl.TabPages.Contains(item.Key))
                     {
                         tabControl.SelectTab(item.Key);
+                        TabPageAndUIPageChanged?.Invoke(this, new TabPageAndUIPageArgs(item.Key, item.Value.PageIndex, item.Value.PageGuid));
                         return true;
                     }
                 }
@@ -410,6 +413,7 @@ namespace Sunny.UI
                     if (tabControl.TabPages.Contains(item.Key))
                     {
                         tabControl.SelectTab(item.Key);
+                        TabPageAndUIPageChanged?.Invoke(this, new TabPageAndUIPageArgs(item.Key, item.Value.PageIndex, item.Value.PageGuid));
                         return true;
                     }
                 }
@@ -614,4 +618,21 @@ namespace Sunny.UI
             Text = text;
         }
     }
+
+    public class TabPageAndUIPageArgs : EventArgs
+    {
+        public TabPage TabPage { get; set; }
+
+        public int PageIndex { get; set; }
+        public Guid PageGuid { get; set; }
+
+        public TabPageAndUIPageArgs(TabPage tabPage, int pageIndex, Guid pageGuid)
+        {
+            TabPage = tabPage;
+            PageIndex = pageIndex;
+            PageGuid = pageGuid;
+        }
+    }
+
+    public delegate void TabPageAndUIPageEventHandler(object sender, TabPageAndUIPageArgs e);
 }

SunnyUI/Controls/UITabControl.cs

@@ -32,6 +32,7 @@
  * 2022-06-19: V3.2.0 多页面框架关闭页面时执行UIPage的FormClosed事件
  * 2023-05-12: V3.3.6 重构DrawString函数
  * 2023-11-06: V3.5.2 重构主题
+ * 2023-12-13: V3.6.2 优化UIPage的Init和Final加载逻辑
 ******************************************************************************/
 
 using Sunny.UI.Win32;
@@ -67,6 +68,7 @@ namespace Sunny.UI
             Version = UIGlobal.Version;
 
             Helper = new UITabControlHelper(this);
+            Helper.TabPageAndUIPageChanged += Helper_TabPageAndUIPageChanged;
             timer = new Timer();
             timer.Interval = 500;
             timer.Tick += Timer_Tick;
@@ -79,6 +81,13 @@ namespace Sunny.UI
             _fillColor = UIStyles.Blue.TabControlBackColor;
         }
 
+        private void Helper_TabPageAndUIPageChanged(object sender, TabPageAndUIPageArgs e)
+        {
+            TabPageAndUIPageChanged?.Invoke(this, e);
+        }
+
+        public event TabPageAndUIPageEventHandler TabPageAndUIPageChanged;
+
         [Browsable(false), DefaultValue(null)]
         public IFrame Frame
         {

SunnyUI/Controls/UITabControl.resx

@@ -0,0 +1,120 @@
+<?xml version="1.0" encoding="utf-8"?>
+<root>
+  <!-- 
+    Microsoft ResX Schema 
+    
+    Version 2.0
+    
+    The primary goals of this format is to allow a simple XML format 
+    that is mostly human readable. The generation and parsing of the 
+    various data types are done through the TypeConverter classes 
+    associated with the data types.
+    
+    Example:
+    
+    ... ado.net/XML headers & schema ...
+    <resheader name="resmimetype">text/microsoft-resx</resheader>
+    <resheader name="version">2.0</resheader>
+    <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader>
+    <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader>
+    <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data>
+    <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data>
+    <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64">
+        <value>[base64 mime encoded serialized .NET Framework object]</value>
+    </data>
+    <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64">
+        <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
+        <comment>This is a comment</comment>
+    </data>
+                
+    There are any number of "resheader" rows that contain simple 
+    name/value pairs.
+    
+    Each data row contains a name, and value. The row also contains a 
+    type or mimetype. Type corresponds to a .NET class that support 
+    text/value conversion through the TypeConverter architecture. 
+    Classes that don't support this are serialized and stored with the 
+    mimetype set.
+    
+    The mimetype is used for serialized objects, and tells the 
+    ResXResourceReader how to depersist the object. This is currently not 
+    extensible. For a given mimetype the value must be set accordingly:
+    
+    Note - application/x-microsoft.net.object.binary.base64 is the format 
+    that the ResXResourceWriter will generate, however the reader can 
+    read any of the formats listed below.
+    
+    mimetype: application/x-microsoft.net.object.binary.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
+            : and then encoded with base64 encoding.
+    
+    mimetype: application/x-microsoft.net.object.soap.base64
+    value   : The object must be serialized with 
+            : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
+            : and then encoded with base64 encoding.
+
+    mimetype: application/x-microsoft.net.object.bytearray.base64
+    value   : The object must be serialized into a byte array 
+            : using a System.ComponentModel.TypeConverter
+            : and then encoded with base64 encoding.
+    -->
+  <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
+    <xsd:import namespace="http://www.w3.org/XML/1998/namespace" />
+    <xsd:element name="root" msdata:IsDataSet="true">
+      <xsd:complexType>
+        <xsd:choice maxOccurs="unbounded">
+          <xsd:element name="metadata">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" />
+              </xsd:sequence>
+              <xsd:attribute name="name" use="required" type="xsd:string" />
+              <xsd:attribute name="type" type="xsd:string" />
+              <xsd:attribute name="mimetype" type="xsd:string" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="assembly">
+            <xsd:complexType>
+              <xsd:attribute name="alias" type="xsd:string" />
+              <xsd:attribute name="name" type="xsd:string" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="data">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+                <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" />
+              <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" />
+              <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" />
+              <xsd:attribute ref="xml:space" />
+            </xsd:complexType>
+          </xsd:element>
+          <xsd:element name="resheader">
+            <xsd:complexType>
+              <xsd:sequence>
+                <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" />
+              </xsd:sequence>
+              <xsd:attribute name="name" type="xsd:string" use="required" />
+            </xsd:complexType>
+          </xsd:element>
+        </xsd:choice>
+      </xsd:complexType>
+    </xsd:element>
+  </xsd:schema>
+  <resheader name="resmimetype">
+    <value>text/microsoft-resx</value>
+  </resheader>
+  <resheader name="version">
+    <value>2.0</value>
+  </resheader>
+  <resheader name="reader">
+    <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+  <resheader name="writer">
+    <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
+  </resheader>
+</root>

SunnyUI/Forms/UIForm.cs

@@ -52,6 +52,7 @@
  * 2023-11-05: V3.5.2 重构主题
  * 2023-11-19: V3.5.2 修改默认ShowShadow边框阴影打开，ShowRadius显示圆角关闭
  * 2023-12-04: V3.6.1 修复修改Style后，BackColor未保存的问题
+ * 2023-12-13: V3.6.2 优化UIPage的Init和Final加载逻辑
 ******************************************************************************/
 
 using System;
@@ -2067,49 +2068,44 @@ namespace Sunny.UI
 
                 mainTabControl.PageAdded += DealPageAdded;
                 mainTabControl.PageRemoved += DealPageRemoved;
-                mainTabControl.Selecting += MainTabControl_Selecting;
+                mainTabControl.Selected += MainTabControl_Selected;
-                mainTabControl.VisibleChanged += MainTabControl_VisibleChanged;
+                mainTabControl.Deselected += MainTabControl_Deselected;
+                mainTabControl.TabPageAndUIPageChanged += MainTabControl_TabPageAndUIPageChanged;
             }
         }
 
-        private void MainTabControl_VisibleChanged(object sender, EventArgs e)
+        private void MainTabControl_TabPageAndUIPageChanged(object sender, TabPageAndUIPageArgs e)
         {
-            if (SelectedPage == null)
-            {
-                List<UIPage> pages = mainTabControl.SelectedTab.GetControls<UIPage>();
-                if (pages.Count == 1)
-                {
-                    SelectedPage = pages[0];
-                    PageSelected?.Invoke(this, new UIPageEventArgs(SelectedPage));
-                }
-                else
-                {
-                    SelectedPage = null;
-                    PageSelected?.Invoke(this, new UIPageEventArgs(SelectedPage));
-                }
-            }
-        }
-
-        private void MainTabControl_Selecting(object sender, TabControlCancelEventArgs e)
-        {
-            if (SelectedPage != null)
-                SelectedPage.Final();
-
             List<UIPage> pages = e.TabPage.GetControls<UIPage>();
-            if (pages.Count == 1)
+            SelectedPage = pages.Count == 1 ? pages[0] : null;
-            {
-                SelectedPage = pages[0];
-                PageSelected?.Invoke(this, new UIPageEventArgs(SelectedPage));
-            }
-            else
-            {
-                SelectedPage = null;
-                PageSelected?.Invoke(this, new UIPageEventArgs(SelectedPage));
-            }
         }
 
+        private void MainTabControl_Deselected(object sender, TabControlEventArgs e)
+        {
+            List<UIPage> pages = e.TabPage.GetControls<UIPage>();
+            if (pages.Count == 1) pages[0].Final();
+        }
+
+        private void MainTabControl_Selected(object sender, TabControlEventArgs e)
+        {
+            List<UIPage> pages = e.TabPage.GetControls<UIPage>();
+            SelectedPage = pages.Count == 1 ? pages[0] : null;
+        }
+
+        private UIPage selectedPage = null;
         [Browsable(false)]
-        public UIPage SelectedPage { get; private set; }
+        public UIPage SelectedPage
+        {
+            get => selectedPage;
+            private set
+            {
+                if (selectedPage != value)
+                {
+                    selectedPage = value;
+                    PageSelected?.Invoke(this, new UIPageEventArgs(SelectedPage));
+                }
+            }
+        }
 
         public event OnUIPageChanged PageSelected;