FRM's small wxSize::Scale enhancement.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42901 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/size.tex

@@ -142,12 +142,13 @@ corresponding dimensions of the \arg{size}.
 
 \membersection{wxSize::Scale}\label{wxsizescale}
 
-\func{void}{Scale}{\param{float}{ xscale}, \param{float}{ yscale}}
+\func{wxSize\&}{Scale}{\param{float}{ xscale}, \param{float}{ yscale}}
 
 Scales the dimensions of this object by the given factors.
 If you want to scale both dimensions by the same factor you can also use
 the \helpref{operator *=}{wxsizeoperators}
 
+Returns a reference to this object (so that you can concatenate other operations in the same line).
 
 
 \membersection{wxSize::Set}\label{wxsizeset}

include/wx/gdicmn.h

@@ -239,8 +239,8 @@ public:
     void DecBy(int d) { DecBy(d, d); }
 
 
-    void Scale(float xscale, float yscale)
-        { x = (int)(x*xscale); y = (int)(y*yscale); }
+    wxSize& Scale(float xscale, float yscale)
+        { x = (int)(x*xscale); y = (int)(y*yscale); return *this; }
 
     // accessors
     void Set(int xx, int yy) { x = xx; y = yy; }