在listview控件上动态创建固定大小的缩略图如何动态创建固定大小的缩略图并在listview中调整图片大小以最适合缩略图大小.privatevoidTreeview1_AfterSelect(System.Objectsender,System.Windows.Forms.TreeViewEventArgse){if(folder!=null&&System.IO.Directory.Exists(folder)){try{DirectoryInfodir=newDirectoryInfo(@folder);foreach(FileInfofileindir.GetFiles()){try{imageList.ImageSize=newSize(136,136);imageList.ColorDepth=ColorDepth.Depth32Bit;图片img=newBitmap(Image.FromFile(file.FullName));图形g=Graphics.FromImage(img);g.DrawRectangle(Pens.Red,0,0,img.Width-21,img.Height-21);//g.DrawRectangle(Pens.Red,0,0,img.Width,img.Height);imageList.Images.Add(img);}catch{Console.WriteLine("这不是图片文件");}}for(intj=0;j
