public HResult GetParent(out IShellItem ppsi)
{
var pidl = Shell32.ILClone(Pidl);
if (Shell32.ILRemoveLastID(pidl))
{
ppsi = new ShellItemImpl(pidl, true);
return(HResult.S_OK);
}
ppsi = null;
return(HResult.MK_E_NOOBJECT);
}
public HResult GetParent(out IShellItem ppsi)
{
IntPtr pidl = Shell32.ILClone(m_Pidl);
if (Shell32.ILRemoveLastID(pidl))
{
ppsi = new ShellItemImpl(pidl, true);
return HResult.S_OK;
}
else
{
ppsi = null;
return HResult.MK_E_NOOBJECT;
}
}
static IShellItem CreateItemWithParent(ShellItem parent, IntPtr pidl)
{
if (RunningVista)
{
return(Shell32.SHCreateItemWithParent(IntPtr.Zero,
parent.GetIShellFolder(), pidl, typeof(IShellItem).GUID));
}
else
{
Interop.VistaBridge.ShellItemImpl impl =
(Interop.VistaBridge.ShellItemImpl)parent.ComInterface;
return(new Interop.VistaBridge.ShellItemImpl(
Shell32.ILCombine(impl.Pidl, pidl), true));
}
}
public int Compare(IShellItem psi, SICHINT hint)
{
ShellItemImpl other = (ShellItemImpl)psi;
ShellItemImpl myParent = GetParent();
ShellItemImpl theirParent = other.GetParent();
if (Shell32.ILIsEqual(myParent.m_Pidl, theirParent.m_Pidl))
{
return(myParent.GetIShellFolder().CompareIDs((SHCIDS)hint,
Shell32.ILFindLastID(m_Pidl),
Shell32.ILFindLastID(other.m_Pidl)));
}
else
{
return(1);
}
}