I want drag an ListViewItem (not Text, this is no Problem) from a Custom ATL c++ Control derived from CListCtrl and Drop it on an .NET
TreeView Control in the same C# Applikation. My Problem is, to fill the FormatETC and StgMedium correct. I tryed one Variant via HGlobal with a IUknown Pointer from my ListItem. No Success! Do i need ...