增加拖拽变更选项卡位置的功能

PS.以最low的方式实现的。。。

RdpTest/App.config

@@ -1,22 +1,6 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <configuration>
-  <configSections>
-
-    <section name="entityFramework" type="System.Data.Entity.Internal.ConfigFile.EntityFrameworkSection, EntityFramework, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" requirePermission="false" />
-  </configSections>
   <startup>
-    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.2" />
+    <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1"/>
   </startup>
-  <entityFramework>
-    <defaultConnectionFactory type="System.Data.Entity.Infrastructure.LocalDbConnectionFactory, EntityFramework">
-      <parameters>
-        <parameter value="v13.0" />
-      </parameters>
-    </defaultConnectionFactory>
-    <providers>
-      <provider invariantName="System.Data.SqlClient" type="System.Data.Entity.SqlServer.SqlProviderServices, EntityFramework.SqlServer" />
-      <provider invariantName="System.Data.SQLite.EF6" type="System.Data.SQLite.EF6.SQLiteProviderServices, System.Data.SQLite.EF6" />
-    </providers>
-  </entityFramework>
-
-</configuration>
+</configuration>

RdpTest/MainForm.cs

@@ -175,21 +175,58 @@ private void btnAddRemoteHost_Click(object sender, EventArgs e)
         #region 页签控制
         private void tabMain_MouseDown(object sender, MouseEventArgs e)
         {
-            if (e.Button == MouseButtons.Right)
+            var index = InTabPageHead(e.Location);
+            if (index > 0)
             {
-                for (int i = 1, count = tabMain.TabPages.Count; i < count; i++) //排除首页
+                tabMain.SelectedIndex = index;
+
+                if (e.Button == MouseButtons.Right)
+                    tabMain.ContextMenuStrip = menuTabPage;  //弹出菜单
+                else
+                    _tabMoving = true;
+            }
+        }
+
+        /// <summary>
+        /// 正在移动 TabPage 位置
+        /// </summary>
+        private bool _tabMoving;
+        private void tabMain_MouseMove(object sender, MouseEventArgs e)
+        {
+            if (_tabMoving)
+            {
+                var index = InTabPageHead(e.Location);
+                if (index > 0 && tabMain.SelectedIndex != index)
                 {
-                    var tp = tabMain.TabPages[i];
-                    if (tabMain.GetTabRect(i).Contains(new Point(e.X, e.Y)))
-                    {
-                        tabMain.SelectedTab = tp;
-                        tabMain.ContextMenuStrip = menuTabPage;  //弹出菜单
-                        break;
-                    }
+                    var currPage = tabMain.SelectedTab;
+
+                    tabMain.TabPages.Remove(currPage);
+                    tabMain.TabPages.Insert(index, currPage);
+                    tabMain.SelectedTab = currPage;
                 }
             }
         }
 
+        private int InTabPageHead(Point location)
+        {
+            for (int i = 1, count = tabMain.TabPages.Count; i < count; i++) //排除首页
+            {
+                var rect = tabMain.GetTabRect(i);
+                var offset = rect.Width / 4;
+                rect = new Rectangle(rect.X - offset / 2, rect.Y, rect.Width - offset, rect.Height);
+                if (rect.Contains(location))
+                {
+                    return i;
+                }
+            }
+            return -1;
+        }
+
+        private void tabMain_MouseUp(object sender, MouseEventArgs e)
+        {
+            _tabMoving = false;
+        }
+
         private void MainForm_MouseLeave(object sender, EventArgs e)
         {
             tabMain.ContextMenuStrip = null;  //离开选项卡后 取消菜单
@@ -253,6 +290,7 @@ private void tmiDeleteAll_Click(object sender, EventArgs e)
             parent.Parent.Controls.Remove(parent);
             _currSelectHost = null;
         }
+
         #endregion
 
     }

RdpTest/RdpTest.csproj

@@ -8,11 +8,12 @@
     <OutputType>WinExe</OutputType>
     <RootNamespace>RdpTest</RootNamespace>
     <AssemblyName>RdpTest</AssemblyName>
-    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <NuGetPackageImportStamp>
     </NuGetPackageImportStamp>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <PlatformTarget>AnyCPU</PlatformTarget>