Boolean OnMindMapDragDrop(object sender, MindMapDragEventArgs e)
{
var notify = new UIExtension.ParentNotify(m_HwndParent);
if (e.copyItem)
{
return(notify.NotifyCopy(e.dragged.uniqueID,
e.targetParent.uniqueID,
e.afterSibling.uniqueID));
}
// else
return(notify.NotifyMove(e.dragged.uniqueID,
e.targetParent.uniqueID,
e.afterSibling.uniqueID));
}
protected override Boolean DoDrop(MindMapDragEventArgs e)
{
TreeNode prevParentNode = e.dragged.node.Parent;
if (!base.DoDrop(e) || e.copyItem)
{
return(false);
}
if (e.targetParent.node != prevParentNode)
{
// Fixup parent states
// Note: our tree nodes haven't been moved yet but
// the application will have updated it's data structures
// so we have to account for this in the node count passed
FixupParentalStatus(e.targetParent.node, 1);
FixupParentalStatus(prevParentNode, -1);
FixupParentID(e.dragged.node, e.targetParent.node);
}
return(true);
}
