public static ImageSource GetIcon(IntPtr pIDL, int iconIndex, IconSize size = IconSize.Small)
{
ImageSource imageSource = null;
if (IconsDictionary.TryGetValue(iconIndex, out imageSource))
{
return(imageSource);
}
Int32Rect sizeRect;
WinAPI.SHGFI flags;
if (IconSize.Small == size)
{
flags = commonFlags | WinAPI.SHGFI.SHGFI_SMALLICON;
sizeRect = new Int32Rect(0, 0, 16, 16);
}
else
{
flags = commonFlags | WinAPI.SHGFI.SHGFI_LARGEICON;
sizeRect = new Int32Rect(0, 0, 32, 32);
}
WinAPI.SHFILEINFO shfileinfo = new WinAPI.SHFILEINFO();
WinAPI.SHGetFileInfo(pIDL, 256, out shfileinfo, (uint)Marshal.SizeOf(shfileinfo), WinAPI.SHGFI.SHGFI_SYSICONINDEX | WinAPI.SHGFI.SHGFI_PIDL | flags);
imageSource = Imaging.CreateBitmapSourceFromHIcon(shfileinfo.hIcon, sizeRect, BitmapSizeOptions.FromEmptyOptions());
IconsDictionary.Add(iconIndex, imageSource);
WinAPI.DestroyIcon(shfileinfo.hIcon);
shfileinfo.hIcon = IntPtr.Zero;
return(imageSource);
}
public static ImageSource GetDirectoryIcon(string path, int iconIndex, IconSize size = IconSize.Small)
{
ImageSource imageSource = null;
if (IconsDictionary.TryGetValue(iconIndex, out imageSource))
{
return imageSource;
}
Int32Rect sizeRect;
WinAPI.SHGFI flags;
if (IconSize.Small == size)
{
flags = commonFlags | WinAPI.SHGFI.SHGFI_SMALLICON;
sizeRect = new Int32Rect(0, 0, 16, 16);
}
else
{
flags = commonFlags | WinAPI.SHGFI.SHGFI_LARGEICON;
sizeRect = new Int32Rect(0, 0, 32, 32);
}
WinAPI.SHFILEINFO shfileinfo = new WinAPI.SHFILEINFO();
WinAPI.SHGetFileInfo(path, 256, out shfileinfo, (uint) Marshal.SizeOf(shfileinfo), flags);
if (shfileinfo.hIcon == IntPtr.Zero)
{
return GetIcon(path);
}
imageSource = Imaging.CreateBitmapSourceFromHIcon(shfileinfo.hIcon, sizeRect,
BitmapSizeOptions.FromEmptyOptions());
IconsDictionary.Add(iconIndex, imageSource);
WinAPI.DestroyIcon(shfileinfo.hIcon);
shfileinfo.hIcon = IntPtr.Zero;
return imageSource;
}
public NativeFileInfo(string path)
{
Path = path;
shInfo = new WinAPI.SHFILEINFO();
WinAPI.SHGetFileInfo(path, WinAPI.FILE_ATTRIBUTE_NORMAL, out shInfo, (uint)Marshal.SizeOf(shInfo), vFlags);
}
