document that a valid image list is required for item dragging under MSW (see #4390)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@60052 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2009-04-07 11:04:52 +00:00
parent 20cc4e199e
commit a1e92028b3

View File

@ -920,13 +920,15 @@ public:
@beginEventTable{wxTreeEvent}
@event{EVT_TREE_BEGIN_DRAG(id, func)}
Begin dragging with the left mouse button.
If you want to enable left-dragging you need to intercept this event
and explicitely call wxTreeEvent::Allow(), as it's vetoed by default.
Begin dragging with the left mouse button. If you want to enable
left-dragging you need to intercept this event and explicitely call
wxTreeEvent::Allow(), as it's vetoed by default. Also notice that the
control must have an associated image list (see SetImageList()) to
drag its items under MSW.
@event{EVT_TREE_BEGIN_RDRAG(id, func)}
Begin dragging with the right mouse button.
If you want to enable right-dragging you need to intercept this event
and explicitely call wxTreeEvent::Allow(), as it's vetoed by default.
Begin dragging with the right mouse button. If you want to enable
right-dragging you need to intercept this event and explicitely call
wxTreeEvent::Allow(), as it's vetoed by default.
@event{EVT_TREE_END_DRAG(id, func)}
End dragging with the left or right mouse button.
@event{EVT_TREE_BEGIN_LABEL_EDIT(id, func)}