c#使用winform实现附件预览，包含excel，word，pdf等常见格式文件
资源文件列表
DocExp/DocExp.sln , 908
DocExp/DocExp/AbstractClasses/Action.cs , 1140
DocExp/DocExp/Actions/Copy.cs , 3835
DocExp/DocExp/Actions/Delete.cs , 1503
DocExp/DocExp/Actions/Move.cs , 1540
DocExp/DocExp/Actions/Open.cs , 1198
DocExp/DocExp/Actions/Preview.cs , 1975
DocExp/DocExp/ActionType.cs , 1206
DocExp/DocExp/Attributes/ActionAttributes.cs , 800
DocExp/DocExp/bin/Debug/AxInterop.AcroPDFLib.dll , 8704
DocExp/DocExp/bin/Debug/AxInterop.WMPLib.dll , 53248
DocExp/DocExp/bin/Debug/DocExp.exe , 1802752
DocExp/DocExp/bin/Debug/DocExp.vshost.exe , 14328
DocExp/DocExp/bin/Debug/DocExp.vshost.exe.manifest , 490
DocExp/DocExp/bin/Debug/Interop.AcroPDFLib.dll , 10240
DocExp/DocExp/bin/Debug/Interop.WMPLib.dll , 290816
DocExp/DocExp/bin/Debug/Microsoft.Office.Interop.Excel.dll , 1276720
DocExp/DocExp/bin/Debug/Microsoft.Office.Interop.PowerPoint.dll , 248632
DocExp/DocExp/bin/Debug/Microsoft.Office.Interop.SmartTag.dll , 20080
DocExp/DocExp/bin/Debug/Microsoft.Office.Interop.Word.dll , 781104
DocExp/DocExp/bin/Debug/Microsoft.Office.Tools.Excel.dll , 401408
DocExp/DocExp/bin/Debug/Microsoft.Office.Tools.Excel.xml , 884409
DocExp/DocExp/bin/Debug/Microsoft.Office.Tools.Word.dll , 282624
DocExp/DocExp/bin/Debug/Microsoft.Office.Tools.Word.xml , 446431
DocExp/DocExp/bin/Debug/Microsoft.VisualBasic.Compatibility.dll , 372736
DocExp/DocExp/bin/Debug/Microsoft.VisualBasic.dll , 659456
DocExp/DocExp/bin/Debug/Microsoft.VisualStudio.Tools.Applications.Runtime.dll , 180224
DocExp/DocExp/bin/Debug/Microsoft.VisualStudio.Tools.Applications.Runtime.xml , 81065
DocExp/DocExp/bin/Debug/Office.dll , 416544
DocExp/DocExp/bin/Debug/stdole.dll , 16384
DocExp/DocExp/Controls/DocExpListViewItem.cs , 675
DocExp/DocExp/DocExp.csproj , 8446
DocExp/DocExp/Enums/GroupTypes.cs , 242
DocExp/DocExp/FileType.cs , 1215
DocExp/DocExp/FileTypeGroup.cs , 990
DocExp/DocExp/Form1.Designer.cs , 15606
DocExp/DocExp/frmMain.cs , 18482
DocExp/DocExp/frmMain.resx , 2628616
DocExp/DocExp/Interfaces/IPreview.cs , 211
DocExp/DocExp/PreviewControls/ExcelPreview.cs , 2623
DocExp/DocExp/PreviewControls/HtmlPreview.cs , 414
DocExp/DocExp/PreviewControls/ImagePreview.cs , 549
DocExp/DocExp/PreviewControls/MediaPreview.cs , 568
DocExp/DocExp/PreviewControls/PdfPreview.cs , 391
DocExp/DocExp/PreviewControls/PowerPointPreview.cs , 2533
DocExp/DocExp/PreviewControls/TextPreview.cs , 652
DocExp/DocExp/PreviewControls/WordPreview.cs , 2389
DocExp/DocExp/Program.cs , 480
DocExp/DocExp/Properties/AssemblyInfo.cs , 1456
DocExp/DocExp/Properties/Resources.Designer.cs , 2841
DocExp/DocExp/Properties/Resources.resx , 5612
DocExp/DocExp/Properties/Settings.Designer.cs , 1091
DocExp/DocExp/Properties/Settings.settings , 249
DocExp/DocExp/Search.ico , 17542