C# multi-threaded file download progress can be displayed, you can keep as reference.

FileDownload\FileDownload\DoubleBufferListView.cs
............\............\FileDown.cs
............\............\FileDownDao.cs
............\............\FileDownload.csproj
............\............\FileDownload.sln
............\............\MainForm.cs
............\............\MainForm.Designer.cs
............\............\MainForm.resx
............\............\Program.cs
............\............\...perties\AssemblyInfo.cs
............\............\..........\Resources.Designer.cs
............\............\..........\Resources.resx
............\............\..........\Settings.Designer.cs
............\............\..........\Settings.settings
............\............\UtilTool.cs
............\............\Properties
............\FileDownload
FileDownload

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