how to create fixed size thumbnail dynamically and resize image in listview best fit the size of the thumbnail.
private void Treeview1_AfterSelect(System.Object sender, System.Windows.Forms.TreeViewEventArgs e)
{
if (folder != null && System.IO.Directory.Exists(folder))
{
try
{
DirectoryInfo dir = new DirectoryInfo(@folder);
foreach (FileInfo file in dir.GetFiles())
{
try
{
imageList.ImageSize = new Size(136, 136);
imageList.ColorDepth = ColorDepth.Depth32Bit;
Image img = new Bitmap(Image.FromFile(file.FullName));
Graphics 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("This is not an image file");
}
}
for (int j = 0; j < imageList.Images.Count; j++)
{
this.ListView1.Items.Add("Item" + j);
this.ListView1.Items[j].ImageIndex = j;
}
this.ListView1.View = View.LargeIcon;
this.ListView1.LargeImageList = imageList;
//this.ListView1.DrawItem += new DrawListViewItemEventHandler(ListView1_DrawItem);
//import(folder);
}
catch (Exception ex)
{
}
}