I can't remember when it was I first saw something being dragged with an insertion mark for guidance. Whenever it was, it was a long long time ago and I'm just catching up now. This article describes how to extend a `ListView` control to allow the items within it to be reordered, using insertion guides.

Richard Moss

Jul 27, 2014

Article which describes how to display ListView and TreeView controls using Visual Styles in Windows Vista or higher via the SetWindowTheme API.

Richard Moss

Apr 16, 2011