Make animation of combo-popdown optional.

Replace wxMiniSleep() + wxYield() implemenation
    by wxTimer based one.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42470 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/comboctrl.tex

@@ -295,6 +295,14 @@ In this case, \helpref{AnimateShow}{wxcomboctrlanimateshow} must return \false.}
 \end{twocollist}
 
 
+\membersection{wxComboCtrl::EnablePopupAnimation}\label{wxcomboctrlenablepopupanimation}
+
+\func{void}{EnablePopupAnimation}{\param{bool }{enable = true}}
+
+Enables or disables popup animation, if any, depending on the value of
+the argument.
+
+
 \membersection{wxComboCtrl::GetBitmapDisabled}\label{wxcomboctrlgetbitmapdisabled}
 
 \constfunc{const wxBitmap\&}{GetBitmapDisabled}{\void}