/// <summary>
/// Retrieves a thumbnail for the specified file.
/// </summary>
/// <param name="fileInfo">File to retrieve the thumbnail for.</param>
/// <returns>Image thumbnail.</returns>
public static Image Thumbnail(this FileInfo fileInfo)
{
try
{
ShellThumbnail thumb = new ShellThumbnail();
return thumb.GetThumbnail(fileInfo.FullName);
}
catch (Exception)
{
// create a dummy file to extract the icon from
string tempPath = Path.GetTempPath() + StringUtilities.GetRandomString(10) + fileInfo.Extension;
File.Create(tempPath);
SysImageList list = new SysImageList(SysImageListSize.extraLargeIcons);
Bitmap bitmap = list.Icon(list.IconIndex(tempPath)).ToBitmap();
File.Delete(tempPath);
Bitmap copy = bitmap.Copy();
return copy;
}
}
