Add check update

Changes.md

@@ -1,3 +1,6 @@
+v1.0.3
+- Add check update
+
 v1.0.2
 - Add deployment
 - Fix bugs

README.md

@@ -8,7 +8,8 @@
 > - [x] NextCloud  
 
 ## Client-Windows  
-下载最新的[Release](https://github.com/Jeric-X/SyncClipboard/releases/)
+下载最新的[Release](https://github.com/Jeric-X/SyncClipboard/releases/)，自备梯子  
+或者clone or下载源码，VS2013及以上编译
 ## Client-IOS 
 使用[Workflow](https://appsto.re/cn/2IzJ2.i)提供的`Get Contents of URL`功能发送HTTP协议  
 导入这个[Workflow](https://workflow.is/workflows/6da4c1de8b1446cda56e336b1ed50b25)

SyncClipboard/MainForm.cs

@@ -151,5 +151,11 @@ private void 下载远程ToolStripMenuItem_Click(object sender, EventArgs e)
             Config.IfPull = this.下载远程ToolStripMenuItem.Checked;
             Config.Save();
         }
+
+        private void 检查更新ToolStripMenuItem_Click(object sender, EventArgs e)
+        {
+            UpdateChecker updateChecker = new UpdateChecker();
+            updateChecker.Check();
+        }
     }
 }

SyncClipboard/SyncClipboard.csproj

@@ -102,8 +102,11 @@
     </Compile>
     <EmbeddedResource Include="SettingsForm.resx">
       <DependentUpon>SettingsForm.cs</DependentUpon>
+      <SubType>Designer</SubType>
     </EmbeddedResource>
-    <None Include="app.config" />
+    <None Include="app.config">
+      <SubType>Designer</SubType>
+    </None>
     <None Include="Properties\Settings.settings">
       <Generator>SettingsSingleFileGenerator</Generator>
       <LastGenOutput>Settings.Designer.cs</LastGenOutput>

SyncClipboard/UpdateChecker.cs

@@ -1,13 +1,55 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
+using System.Net;
 using System.Text;
 using System.Threading.Tasks;
+using System.Web.Script.Serialization;
+using System.Windows.Forms;
 
 namespace SyncClipboard
 {
     class UpdateChecker
     {
-        public const string Version = "1.0.2";
+        public const string Version = "1.0.3";
+        public const string UpdateUrl = "https://api.github.com/repos/Jeric-X/SyncClipboard/releases/latest";
+        public const string ReleaseUrl = "https://github.com/Jeric-X/SyncClipboard/releases/latest";
+
+        public bool Check()
+        {
+            HttpWebResponse httpWebResponse = null;
+            try
+            {
+                httpWebResponse = HttpWebResponseUtility.CreateGetHttpResponse(UpdateUrl, Config.TimeOut, null, null, null);
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.Message.ToString());
+                return false;
+            }
+            StreamReader objStrmReader = new StreamReader(httpWebResponse.GetResponseStream());
+            String strReply = objStrmReader.ReadToEnd();
+            JavaScriptSerializer serializer = new JavaScriptSerializer();
+            UpdateConvertJson p1 = null;
+            try
+            {
+                p1 = serializer.Deserialize<UpdateConvertJson>(strReply);
+                if (String.Compare(p1.name, "v" + Version) > 0)
+                    if (MessageBox.Show("v" + Version + " -> " + p1.name + "\n\n是否更新", "检测到新版本", MessageBoxButtons.OKCancel) == DialogResult.OK)
+                        System.Diagnostics.Process.Start(UpdateChecker.ReleaseUrl);
+            }
+            catch (Exception e)
+            {
+                MessageBox.Show(e.Message.ToString());
+            }
+            return false;
+        }
+    }
+    class UpdateConvertJson
+    {
+        public String name { get; set; }
+
+        public String rowser_download_url { get; set; }
     }
 }