private int GetIconIndex(GILI iconAttrs)
{
if (_iconIndex != UndefinedIconIndex)
{
return(_iconIndex);
}
if (IsDesktop)
{
using (PIDLIST desktopPidl = Native.SHGetKnownFolderIDList(FOLDERID.Desktop))
return(_iconIndex = Native.SHGetFileInfo(desktopPidl, SHGFI.SYSICONINDEX).iIcon);
}
Dispatcher.InvokeAsync(
() => {
int iconIndex;
using (NativeShellIcon shellIcon = ParentShellFolder.QueryInterface <IShellIcon>().ToNative())
iconIndex = shellIcon != null ? _tree.IconList.GetIconIndex(shellIcon, _pidl, iconAttrs) : UnindexableIconIndex;
Set(ref _iconIndex, iconIndex, "IconSmall", "IconLarge", "IconExtraLarge", "IconJumbo");
},
DispatcherPriority.Background);
return(NoIconIndex);
}
public ImageSource GetIcon(NativeShellIcon shellIcon, PIDLIST pidl, SHIL iconSize, GILI iconFlags)
{
return(GetIconByIndex(iconSize, GetIconIndex(shellIcon, pidl, iconFlags)));
}
public int GetIconIndex(NativeShellIcon shellIcon, PIDLIST pidl, GILI iconFlags)
{
return(shellIcon.GetIconOf(pidl, iconFlags));
}
