c# – 在Windows XP / Vista上获取包括SolidWorks在内的任何文件
发布时间:2020-12-15 08:05:39 所属栏目:百科 来源:网络整理
导读:每个安装的操作系统中都有很多内置的ThumbnailProviders.由于这些提供程序 Windows可以显示许多文件的缩略图.例如,Windows资源管理器可以显示* .jpg文件的内容,但也可以显示Solidworks * .sldprt文件的内容(如果安装了SolidWorks). 但有没有办法获得这些缩略
每个安装的操作系统中都有很多内置的ThumbnailProviders.由于这些提供程序
Windows可以显示许多文件的缩略图.例如,Windows资源管理器可以显示* .jpg文件的内容,但也可以显示Solidworks * .sldprt文件的内容(如果安装了SolidWorks).
但有没有办法获得这些缩略图?我曾尝试使用Windows API CodecPack来管理它,但我只在Windows 7上成功. ShellFile shellFile = ShellFile.FromFilePath(filePath); Bitmap shellThumb = shellFile.Thumbnail.Bitmap; 问题是:在Windows XP / Vista上是否有任何其他可用的方法来获取已注册缩略图提供程序的任何文件的缩略图?我真的很绝望…… 解决方法
有几种方法:
1)使用库OpenMCDF. OpenFileDialog dialog = new OpenFileDialog(); dialog.InitialDirectory = Application.StartupPath; if (dialog.ShowDialog() == DialogResult.OK) { string STORAGE_NAME = dialog.FileName.ToString(); CompoundFile cf = new CompoundFile(STORAGE_NAME); CFStream st = cf.RootStorage.GetStream("PreviewPNG"); byte[] buffer = st.GetData(); var ms = new MemoryStream(buffer.ToArray()); pictureBox1.Image = Image.FromStream(ms); } 2)将库EModelView.dll作为控件添加并放置到Form中. OpenFileDialog dialog = new OpenFileDialog(); if (dialog.ShowDialog() == DialogResult.OK) { axEModelViewControl1.OpenDoc(dialog.FileName.ToString(),false,true,""); } 3)使用SWExplorer库(wpfPreviewFlowControl) OpenFileDialog dialog = new OpenFileDialog(); if (dialog.ShowDialog() == DialogResult.OK) { string sDocFileName = dialog.FileName.ToString(); wpfThumbnailCreator pvf; pvf = new wpfThumbnailCreator(); System.Drawing.Size size = new Size(); size.Width = 200; size.Height = 200; pvf.DesiredSize = size; System.Drawing.Bitmap pic = pvf.GetThumbNail(sDocFileName); pictureBox1.Image = pic; } 3)使用库文档管理器(SolidWorks.Interop.swdocumentmgr) OpenFileDialog dialog = new OpenFileDialog(); if (dialog.ShowDialog() == DialogResult.OK) { string sDocFileName = dialog.FileName.ToString(); SwDMClassFactory swClassFact = default(SwDMClassFactory); SwDMApplication swDocMgr = default(SwDMApplication); SwDMDocument swDoc = default(SwDMDocument); SwDMConfigurationMgr swCfgMgr = default(SwDMConfigurationMgr); string[] vCfgNameArr = null; SwDMConfiguration7 swCfg = default(SwDMConfiguration7); IPictureDisp pPreview = default(IPictureDisp); SwDmDocumentType nDocType = 0; SwDmDocumentOpenError nRetVal = 0; SwDmPreviewError nRetVal2 = 0; Image image = default(Image); //Access to interface swClassFact = new SwDMClassFactory(); swDocMgr = (SwDMApplication)swClassFact.GetApplication("Post your code here"); swDoc = (SwDMDocument)swDocMgr.GetDocument(sDocFileName,nDocType,out nRetVal); Debug.Assert(SwDmDocumentOpenError.swDmDocumentOpenErrorNone == nRetVal); swCfgMgr = swDoc.ConfigurationManager; pathLabel.Text = "Path to file: " + swDoc.FullName; configLabel.Text = "Active config: " + swCfgMgr.GetActiveConfigurationName(); vCfgNameArr = (string[])swCfgMgr.GetConfigurationNames(); foreach (string vCfgName in vCfgNameArr) { //get preview swCfg = (SwDMConfiguration7)swCfgMgr.GetConfigurationByName(vCfgName); pPreview = (IPictureDisp)swCfg.GetPreviewPNGBitmap(out nRetVal2); image = Support.IPictureDispToImage(pPreview); //insert to picturebox pictureBox1.BackgroundImage = image; } swDoc.CloseDoc(); } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |