C# uses WinForm to implement the preview of attachments, including excel, word, PDF, and other common format files

DocExp\DocExp.sln
DocExp\DocExp
DocExp\DocExp\AbstractClasses
DocExp\DocExp\AbstractClasses\Action.cs
DocExp\DocExp\Actions
DocExp\DocExp\Actions\Copy.cs
DocExp\DocExp\Actions\Delete.cs
DocExp\DocExp\Actions\Move.cs
DocExp\DocExp\Actions\Open.cs
DocExp\DocExp\Actions\Preview.cs
DocExp\DocExp\ActionType.cs
DocExp\DocExp\Attributes
DocExp\DocExp\Attributes\ActionAttributes.cs
DocExp\DocExp\bin
DocExp\DocExp\bin\Debug
DocExp\DocExp\bin\Debug\AxInterop.AcroPDFLib.dll
DocExp\DocExp\bin\Debug\AxInterop.WMPLib.dll
DocExp\DocExp\bin\Debug\DocExp.exe
DocExp\DocExp\bin\Debug\DocExp.vshost.exe
DocExp\DocExp\bin\Debug\DocExp.vshost.exe.manifest
DocExp\DocExp\bin\Debug\Interop.AcroPDFLib.dll
DocExp\DocExp\bin\Debug\Interop.WMPLib.dll
DocExp\DocExp\bin\Debug\Microsoft.Office.Interop.Excel.dll
DocExp\DocExp\bin\Debug\Microsoft.Office.Interop.PowerPoint.dll
DocExp\DocExp\bin\Debug\Microsoft.Office.Interop.SmartTag.dll
DocExp\DocExp\bin\Debug\Microsoft.Office.Interop.Word.dll
DocExp\DocExp\bin\Debug\Microsoft.Office.Tools.Excel.dll
DocExp\DocExp\bin\Debug\Microsoft.Office.Tools.Excel.xml
DocExp\DocExp\bin\Debug\Microsoft.Office.Tools.Word.dll
DocExp\DocExp\bin\Debug\Microsoft.Office.Tools.Word.xml
DocExp\DocExp\bin\Debug\Microsoft.VisualBasic.dll
DocExp\DocExp\bin\Debug\Microsoft.VisualStudio.Tools.Applications.Runtime.dll
DocExp\DocExp\bin\Debug\Microsoft.VisualStudio.Tools.Applications.Runtime.xml
DocExp\DocExp\bin\Debug\Office.dll
DocExp\DocExp\bin\Debug\stdole.dll
DocExp\DocExp\Controls
DocExp\DocExp\Controls\DocExpListViewItem.cs
DocExp\DocExp\DocExp.csproj
DocExp\DocExp\Enums
DocExp\DocExp\Enums\GroupTypes.cs
DocExp\DocExp\FileType.cs
DocExp\DocExp\FileTypeGroup.cs
DocExp\DocExp\Form1.Designer.cs
DocExp\DocExp\frmMain.cs
DocExp\DocExp\frmMain.resx
DocExp\DocExp\Interfaces
DocExp\DocExp\Interfaces\IPreview.cs
DocExp\DocExp\obj
DocExp\DocExp\PreviewControls
DocExp\DocExp\PreviewControls\ExcelPreview.cs
DocExp\DocExp\PreviewControls\HtmlPreview.cs
DocExp\DocExp\PreviewControls\ImagePreview.cs
DocExp\DocExp\PreviewControls\MediaPreview.cs
DocExp\DocExp\PreviewControls\PdfPreview.cs
DocExp\DocExp\PreviewControls\PowerPointPreview.cs
DocExp\DocExp\PreviewControls\TextPreview.cs
DocExp\DocExp\PreviewControls\WordPreview.cs
DocExp\DocExp\Program.cs
DocExp\DocExp\Properties
DocExp\DocExp\Properties\AssemblyInfo.cs
DocExp\DocExp\Properties\Resources.Designer.cs
DocExp\DocExp\Properties\Resources.resx
DocExp\DocExp\Properties\Settings.Designer.cs
DocExp\DocExp\Properties\Settings.settings
DocExp\DocExp\Search.ico

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