public IconLocation(string fileName, int index, GILI iconFlags, SHIL size)
{
FileName = string.Intern(Path.GetFullPath(fileName));
Index = index;
IconFlags = iconFlags;
Size = size;
}
public static IImageList SHGetImageList(SHIL iImageList)
{
object ppv;
SHGetImageList(iImageList, typeof(IImageList).GUID, out ppv);
return((IImageList)ppv);
}
public static ImageSource GetIcon(string path, SHIL size)
{
IntPtr result = IntPtr.Zero;
SHFILEINFO shFileInfo = new SHFILEINFO();
if (path.StartsWith(".") || path.StartsWith(@"\\"))
{
result = SHGetFileInfo(path, FileAttributes.Normal, ref shFileInfo, Marshal.SizeOf(shFileInfo), SHGFI.SHGFI_SYSICONINDEX | SHGFI.SHGFI_USEFILEATTRIBUTES);
}
else
{
PIDL pidl = ILCreateFromPath(path);
result = SHGetFileInfo(pidl, FileAttributes.Normal, ref shFileInfo, Marshal.SizeOf(shFileInfo), SHGFI.SHGFI_SYSICONINDEX | SHGFI.SHGFI_PIDL);
}
if (result == IntPtr.Zero)
{
return(null);
}
SHGetImageList(size, ImageListId, out IImageList iImageList);
SafeHICON hIcon = iImageList.GetIcon(shFileInfo.iIcon, IMAGELISTDRAWFLAGS.ILD_IMAGE);
ImageSource imageSource = hIcon.ToBitmapSource();
imageSource.Freeze();
DestroyIcon(hIcon);
return(imageSource);
}
private ImageSource GetIcon(SHIL iconSize, GILI iconAttrs)
{
int iconIndex = GetIconIndex(iconAttrs);
return(iconIndex != UnindexableIconIndex
? _tree.IconList.GetIconByIndex(iconSize, iconIndex)
: _tree.IconList.ExtractIcon(ParentShellFolder, _pidl, iconSize, iconAttrs));
}
public static IImageList SHGetImageList(SHIL iImageList)
{
var iid = typeof(IImageList).GUID;
object imageList;
int hr = SHGetImageList(iImageList, ref iid, out imageList);
return(hr >= 0
? (IImageList)imageList
: null);
}
/// <summary>
/// Associates a SysImageList with a ListView control
/// </summary>
/// <param name="listView">ListView control to associate ImageList with</param>
/// <param name="Usage">State, Group, Normal, Small
/// false=Set Small Icon List</param>
/// <param name="IIlSize">Size of Images</param>
public static void SetListViewImageList(ListView listView, LVSIL Usage, SHIL IIlSize)
{
Initializer();
int wParam = (int)Usage;
IntPtr HImageList = m_lgImgList;
if (IIlSize == SHIL.Small)
{
HImageList = m_smImgList;
}
else if (IIlSize == SHIL.Jumbo)
{
HImageList = m_jumboImgList;
}
else if (IIlSize == SHIL.XLarge)
{
HImageList = m_xlgImgList;
}
User32.SendMessage(listView.Handle, MSG.LVM_SETIMAGELIST, wParam, HImageList);
}
public static Bitmap GetJumboIcon(string filePath)
{
SHFILEINFO shinfo = new SHFILEINFO();
IntPtr hImg = SHGetFileInfo(filePath, 0, out shinfo, (uint)Marshal.SizeOf(typeof(SHFILEINFO)), SHGFI.SHGFI_SYSICONINDEX);
SHIL currentShil = SHIL.SHIL_JUMBO;
IImageList imgList = null;
int result = SHGetImageList(currentShil, ref IID_IImageList, out imgList);
IntPtr hIcon = IntPtr.Zero;
imgList.GetIcon(shinfo.iIcon, (int)ImageListDrawItemConstants.ILD_TRANSPARENT, ref hIcon);
Icon icon = Icon.FromHandle(hIcon);
Bitmap bmp = icon.ToBitmap();
return(bmp);
//bmp.Save("C:/Users/Christian/Desktop/img.png", System.Drawing.Imaging.ImageFormat.Png);
}
private static int IconSizeToPixels(SHIL iconSize)
{
// TODO Properly calculate icon size using GetSystemMetrics
switch (iconSize)
{
case SHIL.SMALL:
case SHIL.SYSSMALL:
return(16);
case SHIL.LARGE:
return(32);
case SHIL.EXTRALARGE:
return(48);
case SHIL.JUMBO:
return(256);
default:
throw new ArgumentOutOfRangeException("iconSize");
}
}
private static extern int SHGetImageList(SHIL iImageList, ref Guid iid, [MarshalAs(UnmanagedType.IUnknown, IidParameterIndex = 1)] out object imageList);
public ImageSource GetIconByIndex(SHIL iconSize, int index)
{
return(index >= 0 ? GetImageList(iconSize).GetIconImageSource(index) : null);
}
public static extern int SHGetImageList(SHIL iImageList, ref Guid riid, out IntPtr ppv);
public ImageSource ExtractIcon(NativeShellFolder shellFolder, PIDLIST pidl, SHIL iconSize, GILI iconFlags)
{
return(ExtractIcon(shellFolder, pidl, IconSizeToPixels(iconSize), iconFlags));
}
private ShellImageList GetImageList(SHIL iconSize)
{
return(_imageLists.GetOrAdd(iconSize, () => new ShellImageList(iconSize)));
}
public ShellImageList(SHIL iconSize)
{
_imageList = new NativeImageList(Native.SHGetImageList(iconSize));
_imageSourceCache = new IndexDictionary <ImageSource>();
}
private static extern int SHGetImageList(SHIL iImageList, [MarshalAs(UnmanagedType.LPStruct)] Guid riid, [MarshalAs(UnmanagedType.IUnknown)] out object ppv);
public ImageSource GetIcon(NativeShellIcon shellIcon, PIDLIST pidl, SHIL iconSize, GILI iconFlags)
{
return(GetIconByIndex(iconSize, GetIconIndex(shellIcon, pidl, iconFlags)));
}
public ImageSource GetIconOverlay(NativeShellIconOverlay shellIconOverlay, PIDLIST pidl, SHIL iconSize)
{
return(GetIconByIndex(iconSize, GetIconOverlayIndex(shellIconOverlay, pidl)));
}
public extern static int SHGetImageList(SHIL iImageList, ref Guid riid, out IImageList ppv);
private ImageSource GetIconOverlay(SHIL iconSize)
{
return(_tree.IconList.GetIconByIndex(iconSize, GetIconOverlayIndex()));
}
