private void LoadImage()
{
Win32.SHSTOCKICONINFO sii = new Win32.SHSTOCKICONINFO();
sii.cbSize = Marshal.SizeOf(sii);
Win32.SHGetStockIconInfo(Win32.SIID_FOLDER, Win32.SHGSI_ICON, ref sii);
if (sii.hIcon != IntPtr.Zero)
{
Icon aIcon = Icon.FromHandle(sii.hIcon);
imageList_icon.Images.Add("Folder", aIcon);
}
Win32.IImageList imglist = null;
int rsult = Win32.SHGetImageList(Win32.SHIL_EXTRALARGE, ref Win32.IID_IImageList, out imglist);
IntPtr hicon = IntPtr.Zero;
Win32.SHGetStockIconInfo(Win32.SIID_STUFFEDFOLDER, Win32.SHGSI_ICON, ref sii);
if (sii.hIcon != IntPtr.Zero)
{
Icon aIcon = Icon.FromHandle(sii.hIcon);
imageList_icon.Images.Add("Folder2", aIcon);
}
Win32.SHGetStockIconInfo(Win32.SIID_DOCNOASSOC, Win32.SHGSI_ICON, ref sii);
if (sii.hIcon != IntPtr.Zero)
{
Icon aIcon = Icon.FromHandle(sii.hIcon);
imageList_icon.Images.Add("Doc", aIcon);
}
treeView1.ImageList = imageList_icon;
}
public static Icon GetIcon(string fileName, IconSize thisSize)
{
var shinfo = new Win32.SHFILEINFOW();
Icon myIcon;
int flags, res;
switch (thisSize)
{
case IconSize.Small:
case IconSize.Large:
{
if (thisSize == IconSize.Small)
{
flags = Win32.SHGFI_ICON | Win32.SHGFI_SMALLICON;
}
else
{
flags = Win32.SHGFI_ICON | Win32.SHGFI_LARGEICON;
}
flags = flags | Win32.SHGFI_USEFILEATTRIBUTES;
res = Win32.SHGetFileInfoW(fileName, 0, ref shinfo, Marshal.SizeOf(shinfo), (uint)flags);
if (res == 0)
{
throw (new System.IO.FileNotFoundException());
}
myIcon = (Icon)Icon.FromHandle(shinfo.hIcon).Clone();
Win32.DestroyIcon(shinfo.hIcon);
break;
}
case IconSize.ExtraLarge:
case IconSize.Jumbo:
{
flags = Win32.SHGFI_SYSICONINDEX;
flags = flags | Win32.SHGFI_USEFILEATTRIBUTES;
res = Win32.SHGetFileInfoW(fileName, Win32.FILE_ATTRIBUTE_NORMAL, ref shinfo, Marshal.SizeOf(shinfo), (uint)flags);
if (res == 0)
{
throw new System.IO.FileNotFoundException();
}
var iconIndex = shinfo.iIcon;
var iidImageList = new Guid("46EB5926-582E-4017-9FDF-E8998DAA0950");
Win32.IImageList iml = null;
int size;
if (thisSize == IconSize.ExtraLarge)
{
size = System.Convert.ToInt32(Win32.SHIL_EXTRALARGE);
}
else
{
size = System.Convert.ToInt32(Win32.SHIL_JUMBO);
}
Win32.SHGetImageList(size, ref iidImageList, ref iml);
var hIcon = IntPtr.Zero;
iml.GetIcon(iconIndex, (int)Win32.ILD_FLAGS.ILD_IMAGE, ref hIcon);
myIcon = (Icon)Icon.FromHandle(hIcon).Clone();
Win32.DestroyIcon(hIcon);
var bmp = myIcon.ToBitmap();
if (bmp.PixelFormat != System.Drawing.Imaging.PixelFormat.Format32bppArgb)
{
myIcon.Dispose();
myIcon = null /* TODO Change to default(_) if this is not a reference type */;
iml.GetIcon(iconIndex, (int)Win32.ILD_FLAGS.ILD_TRANSPARENT, ref hIcon);
myIcon = (Icon)Icon.FromHandle(hIcon).Clone();
Win32.DestroyIcon(hIcon);
}
break;
}
default:
{
return(null /* TODO Change to default(_) if this is not a reference type */);
}
}
return(myIcon);
}
public static extern int SHGetImageList(int iImageList, ref Guid riid, out Win32.IImageList ppv);
