added wxWindow::IsVisible() method

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41130 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/window.tex

@@ -1546,6 +1546,10 @@ Retained windows are only available on X platforms.
 
 Returns {\tt true} if the window is shown, {\tt false} if it has been hidden.
 
+\wxheading{See also}
+
+\helpref{wxWindow::IsVisible}{wxwindowisvisible}
+
 
 \membersection{wxWindow::IsTopLevel}\label{wxwindowistoplevel}
 
@@ -1556,6 +1560,18 @@ dialogs are considered to be top-level windows (even if they have a parent
 window).
 
 
+\membersection{wxWindow::IsVisible}\label{wxwindowisvisible}
+
+\constfunc{virtual bool}{IsVisible}{\void}
+
+Returns {\tt true} if the window is physically visible on the screen, i.e. it
+is shown and all its parents up to the toplevel window are shown as well.
+
+\wxheading{See also}
+
+\helpref{wxWindow::IsShown}{wxwindowisshown}
+
+
 \membersection{wxWindow::Layout}\label{wxwindowlayout}
 
 \func{void}{Layout}{\void}