public static byte[] GetExtraLargeIcon(string extension)
{
var trimmed = extension.TrimStart(new char[] { '.' });
var iconIndex = GetIconIndex("*." + trimmed);
if (iconIndex == 0)
{
throw new NullReferenceException("Got null for icon index.");
}
IntPtr hIcon = GetExtraLargeIconNative(iconIndex);
// from native to managed
Icon ico = (Icon)Icon.FromHandle(hIcon).Clone();
byte[] imageBytes;
using (var stream = new MemoryStream())
{
ico.ToBitmap().Save(stream, ImageFormat.Png);
imageBytes = stream.ToArray();
}
Shell32.DestroyIcon(hIcon); // don't forget to cleanup
return(imageBytes);
}
/// <summary>
/// Remove the icon from the system tray.
/// </summary>
public void RemoveFromTray()
{
UpdateIcon(IconType.Disconnected, ProductConstants.DefaultSystemTrayTitle, false);
if (iconHandle != IntPtr.Zero)
{
Shell32.DestroyIcon(iconHandle);
}
}
static Icon IconFromExtension(string extension)
{
SHFILEINFO shFileInfo = new SHFILEINFO();
Shell32.SHGetFileInfo(extension, 0x80, ref shFileInfo, (uint)Marshal.SizeOf(shFileInfo), (uint)(SHGFI.Icon | SHGFI.LargeIcon | SHGFI.UseFileAttributes));
Icon icon = (Icon)Icon.FromHandle(shFileInfo.hIcon).Clone();
Shell32.DestroyIcon(shFileInfo.hIcon);
return(icon);
}
public static ImageSource GetImage(string path, int size)
{
IntPtr intPtr = FileOperation.GetIcon(path, size, size);
ImageSource imageSource = Imaging.CreateBitmapSourceFromHBitmap(intPtr, IntPtr.Zero, Int32Rect.Empty, BitmapSizeOptions.FromEmptyOptions());
if (imageSource != null)
{
imageSource.Freeze();
}
Shell32.DestroyIcon(intPtr);
return(imageSource);
}
//Working example as of 2017/05/19 on windows 10 x64
//example found here.
//http://stackoverflow.com/a/28530403/1572750
public static BitmapSource extract(string pathFile)
{
BitmapSource iconf;
IntPtr hIcon = GetJumboIcon(GetIconIndex(pathFile));
// from native to managed
using (Icon ico = (Icon)Icon.FromHandle(hIcon).Clone())
{ // save to file (or show in a picture box)
iconf = GetBitmapSource(ico.ToBitmap());
}
Shell32.DestroyIcon(hIcon); // don't forget to cleanup
return(iconf);
}
public static void Main(string[] args)
{
IntPtr hIcon = GetJumboIcon(GetIconIndex(args[0]));
using (Icon ico = (Icon)Icon.FromHandle(hIcon).Clone()) {
Bitmap bitmap = ico.ToBitmap();
System.IO.MemoryStream ms = new MemoryStream();
bitmap.Save(ms, ImageFormat.Png);
byte[] byteImage = ms.ToArray();
var SigBase64 = Convert.ToBase64String(byteImage);
Console.WriteLine(SigBase64);
}
Shell32.DestroyIcon(hIcon);
}
public static Dictionary <string, Icon> GetPrintersWithIcons(IntPtr hwndOwner)
{
Dictionary <string, Icon> result = new Dictionary <string, Icon>();
Shell32.IShellFolder iDesktopFolder = Shell32.GetDesktopFolder();
try
{
IntPtr pidlPrintersFolder;
if (Shell32.SHGetFolderLocation(hwndOwner, (int)Shell32.CSIDL.CSIDL_PRINTERS, IntPtr.Zero, 0, out pidlPrintersFolder) == 0)
{
try
{
StringBuilder strDisplay = new StringBuilder(260);
Guid guidIShellFolder = Shell32.IID_IShellFolder;
IntPtr ptrPrintersShellFolder;
iDesktopFolder.BindToObject(pidlPrintersFolder, IntPtr.Zero, ref guidIShellFolder, out ptrPrintersShellFolder);
Object objPrintersShellFolder = Marshal.GetTypedObjectForIUnknown(ptrPrintersShellFolder, Shell32.ShellFolderType);
try
{
Shell32.IShellFolder printersShellFolder = (Shell32.IShellFolder)objPrintersShellFolder;
IntPtr ptrObjectsList;
printersShellFolder.EnumObjects(hwndOwner, Shell32.ESHCONTF.SHCONTF_NONFOLDERS, out ptrObjectsList);
Object objEnumIDList = Marshal.GetTypedObjectForIUnknown(ptrObjectsList, Shell32.EnumIDListType);
try
{
Shell32.IEnumIDList iEnumIDList = (Shell32.IEnumIDList)objEnumIDList;
IntPtr[] rgelt = new IntPtr[1];
IntPtr pidlPrinter;
int pceltFetched;
Shell32.STRRET ptrString;
while (iEnumIDList.Next(1, rgelt, out pceltFetched) == 0 && pceltFetched == 1)
{
printersShellFolder.GetDisplayNameOf(rgelt[0],
Shell32.ESHGDN.SHGDN_NORMAL, out ptrString);
if (Shell32.StrRetToBuf(ref ptrString, rgelt[0], strDisplay,
(uint)strDisplay.Capacity) == 0)
{
pidlPrinter = Shell32.ILCombine(pidlPrintersFolder, rgelt[0]);
string printerDisplayNameInPrintersFolder = strDisplay.ToString();
Shell32.SHFILEINFO shinfo = new Shell32.SHFILEINFO();
Shell32.SHGetFileInfo(pidlPrinter, 0, out shinfo, (uint)Marshal.SizeOf(shinfo), Shell32.SHGFI.PIDL | Shell32.SHGFI.AddOverlays | Shell32.SHGFI.Icon);
Icon printerIcon = (Icon)Icon.FromHandle(shinfo.hIcon).Clone();
Shell32.DestroyIcon(shinfo.hIcon);
result.Add(printerDisplayNameInPrintersFolder, printerIcon);
}
}
}
finally
{
Marshal.ReleaseComObject(objEnumIDList);
}
}
finally
{
Marshal.ReleaseComObject(objPrintersShellFolder);
}
}
finally
{
Shell32.ILFree(pidlPrintersFolder);
}
}
}
finally
{
Marshal.ReleaseComObject(iDesktopFolder);
}
return(result);
}
