C#实现SFTP文件上传和下载，有进度条

[{"title":"（ 26 个子文件 533KB ） C#实现SFTP文件上传和下载，有进度条","children":[{"title":"SFTPtest","children":[{"title":"Form1.Designer.cs <span style='color:#111;'> 8.34KB </span>","children":null,"spread":false},{"title":"Program.cs <span style='color:#111;'> 489B </span>","children":null,"spread":false},{"title":"obj","children":[{"title":"Debug","children":[{"title":"SFTPtest.pdb <span style='color:#111;'> 29.50KB </span>","children":null,"spread":false},{"title":"SFTPtest.Form1.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"SFTPtest.csproj.GenerateResource.Cache <span style='color:#111;'> 847B </span>","children":null,"spread":false},{"title":"SFTPtest.exe <span style='color:#111;'> 12.50KB </span>","children":null,"spread":false},{"title":"ResolveAssemblyReference.cache <span style='color:#111;'> 4.45KB </span>","children":null,"spread":false},{"title":"TempPE","children":null,"spread":false},{"title":"Refactor","children":null,"spread":false},{"title":"SFTPtest.csproj.FileListAbsolute.txt <span style='color:#111;'> 555B </span>","children":null,"spread":false},{"title":"SFTPtest.Properties.Resources.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"bin","children":[{"title":"Debug","children":[{"title":"SFTPtest.pdb <span style='color:#111;'> 29.50KB </span>","children":null,"spread":false},{"title":"Renci.SshNet.dll <span style='color:#111;'> 459.00KB </span>","children":null,"spread":false},{"title":"SFTPtest.exe <span style='color:#111;'> 12.50KB </span>","children":null,"spread":false},{"title":"SFTPtest.vshost.exe <span style='color:#111;'> 13.99KB </span>","children":null,"spread":false},{"title":"SFTPtest.vshost.exe.manifest <span style='color:#111;'> 490B </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"Form1.cs <span style='color:#111;'> 4.39KB </span>","children":null,"spread":false},{"title":"dll","children":[{"title":"Renci.SshNet.dll <span style='color:#111;'> 459.00KB </span>","children":null,"spread":false},{"title":"Renci.SshNet.rar <span style='color:#111;'> 163.35KB </span>","children":null,"spread":false}],"spread":true},{"title":"SFTPtest.csproj <span style='color:#111;'> 3.92KB </span>","children":null,"spread":false},{"title":"Form1.resx <span style='color:#111;'> 5.68KB </span>","children":null,"spread":false},{"title":"Properties","children":[{"title":"AssemblyInfo.cs <span style='color:#111;'> 1.33KB </span>","children":null,"spread":false},{"title":"Settings.Designer.cs <span style='color:#111;'> 1.07KB </span>","children":null,"spread":false},{"title":"Resources.resx <span style='color:#111;'> 5.48KB </span>","children":null,"spread":false},{"title":"Settings.settings <span style='color:#111;'> 249B </span>","children":null,"spread":false},{"title":"Resources.Designer.cs <span style='color:#111;'> 2.80KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"SFTPtest.sln <span style='color:#111;'> 914B </span>","children":null,"spread":false},{"title":"SFTPtest.suo <span style='color:#111;'> 16.50KB </span>","children":null,"spread":false}],"spread":true}]