public PeContainer(string filename, ushort groupIconName)
{
ValidateFilename(filename);
// load pe
var datafile = PInvoke.LoadDatafile(filename);
if (datafile == IntPtr.Zero)
throw new Win32Exception("Unable to load datafile", PInvoke.GetLastWin32Exception());
using (var disposableUpdate = new PInvoke.DisposableHandle(datafile, PInvoke.FreeLibrary))
{
// load group icon data
var groupIconBytes = PInvoke.LoadResourceBytes(datafile,
(ushort)PInvoke.ResourceType.GROUP_ICON, groupIconName);
// parse directory from data
Directory = new PeDirectory(groupIconBytes);
Images = new IconImage[Directory.Entries.Length];
// parse images from data
for (var i = 0; i < Directory.Entries.Length; i++)
{
var imageBytes = PInvoke.LoadResourceBytes(datafile,
(ushort)PInvoke.ResourceType.ICON, Directory.Entries[i].Id);
Images[i] = new IconImage(imageBytes);
}
disposableUpdate.SuppressDispose();
}
}
public IconImage(IconImage image)
{
if (image == null)
throw new ArgumentNullException("image");
if (image.Data == null)
throw new InvalidOperationException("Image Data is null");
Data = image.Data.ToArray();
}
protected IconContainer()
{
Images = new IconImage[0];
}
private void Parse(Stream icoStream)
{
Directory = new IcoDirectory(icoStream);
Images = new IconImage[Directory.Entries.Length];
for (var i = 0; i < Directory.Entries.Length; i++)
Images[i] = new IconImage(icoStream,
(int)Directory.Entries[i].ImageOffset, SeekOrigin.Begin,
(int)Directory.Entries[i].BytesInRes);
}
protected IconContainer()
{
Images = new IconImage[0];
}