ShellItem[] ParseShellIDListArray(ComTypes.IDataObject pDataObj)
{
List<ShellItem> result = new List<ShellItem>();
ComTypes.FORMATETC format = new ComTypes.FORMATETC();
ComTypes.STGMEDIUM medium = new ComTypes.STGMEDIUM();
format.cfFormat = (short)User32.RegisterClipboardFormat("Shell IDList Array");
format.dwAspect = ComTypes.DVASPECT.DVASPECT_CONTENT;
format.lindex = 0;
format.ptd = IntPtr.Zero;
format.tymed = ComTypes.TYMED.TYMED_HGLOBAL;
pDataObj.GetData(ref format, out medium);
Kernel32.GlobalLock(medium.unionmember);
try
{
ShellItem parentFolder = null;
int count = Marshal.ReadInt32(medium.unionmember);
int offset = 4;
for (int n = 0; n <= count; ++n)
{
int pidlOffset = Marshal.ReadInt32(medium.unionmember, offset);
int pidlAddress = (int)medium.unionmember + pidlOffset;
if (n == 0)
{
parentFolder = new ShellItem(new IntPtr(pidlAddress));
}
else
{
result.Add(new ShellItem(parentFolder, new IntPtr(pidlAddress)));
}
offset += 4;
}
}
finally
{
Marshal.FreeHGlobal(medium.unionmember);
}
return result.ToArray();
}
