public static FDImage ExtractIconIfNecessary(string file)
{
string extension = Path.GetExtension(file);
if (extensionIcons.ContainsKey(extension))
{
return(extensionIcons[extension]);
}
else
{
Icon icon = IconExtractor.GetFileIcon(file, true);
Image image = ImageKonverter.ImageResize(icon.ToBitmap(), 16, 16);
icon.Dispose(); imageList.Images.Add(image);
int index = imageList.Images.Count - 1; // of the icon we just added
FDImage fdImage = new FDImage(image, index);
extensionIcons.Add(extension, fdImage);
return(fdImage);
}
}