Though there is one problem

void maintradetesterwindow::WithdataLayoutEx::DragAndDrop(Point p, PasteClip& d)
{
if(IsDragAndDropSource())
return;
Ctrl* c = GetDragAndDropTarget();
DUMP(c);
if (c!=nullptr)
if (c==&m->datasource_info.analyse)
{
if(AcceptFiles(d)) {
Vector<String> files2 = GetFiles(d);
m->analyse_a_file(files2[0]);
}
}
}