Returns a pointer to the window's layout constraints, or NULL if there are none.
-\membersection{wxWindow::GetDefaultItem}\label{wxwindowgetdefaultitem}
-
-\constfunc{wxButton*}{GetDefaultItem}{\void}
-
-Returns a pointer to the button which is the default for this window, or NULL.
-
\membersection{wxWindow::GetDropTarget}\label{wxwindowgetdroptarget}
\constfunc{wxDropTarget*}{GetDropTarget}{\void}
\wxheading{Remarks}
+
+
Use the EVT\_PAINT macro in an event table definition to intercept paint events.
-In a paint event handler, the application should always create a \helpref{wxPaintDC}{wxpaintdc} object.
+Note that In a paint event handler, the application must {\it always} create a \helpref{wxPaintDC}{wxpaintdc} object,
+even if you do not use it. Otherwise, under MS Windows, refreshing for this and other windows will go wrong.
For example: