Simplify wxRect construction at the wxPoint(0,0) with given size.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30297 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/rect.tex

@@ -34,6 +34,10 @@ Creates a wxRect object from top-left and bottom-right points.
 
 Creates a wxRect object from position and size values.
 
+\func{}{wxRect}{\param{const wxSize\&}{ size}}
+
+Creates a wxRect object from size values at the origin.
+
 \membersection{wxRect::x}\label{wxrectx}
 
 \member{int}{x}