+\membersection{wxSize::DecBy}\label{wxsizedecby}
+
+\func{void}{DecBy}{\param{const wxSize\& }{size}}
+
+\func{void}{DecBy}{\param{int }{dx}, \param{int }{dy}}
+
+\func{void}{DecBy}{\param{int }{d}}
+
+Decreases the size in x- and y- directions
+
+\begin{enumerate}
+ \item By \arg{size.x} and \arg{size.y} for the first overload
+ \item By \arg{dx} and \arg{dy} for the second one
+ \item By \arg{d} and \arg{d} for the third one
+\end{enumerate}
+
+\wxheading{See also}
+
+\helpref{IncBy}{wxsizeincby}
+
+
+\membersection{wxSize::DecTo}\label{wxsizedecto}
+
+\func{void}{DecTo}{\param{const wxSize\& }{size}}
+
+Decrements this object so that both of its dimensions are not greater than the
+corresponding dimensions of the \arg{size}.
+
+\wxheading{See also}
+
+\helpref{IncTo}{wxsizeincto}
+
+
+\membersection{wxSize::IsFullySpecified}\label{wxsizeisfullyspecified}
+
+\constfunc{bool}{IsFullySpecified}{\void}
+
+Returns \true if neither of the size object components is equal to $-1$, which
+is used as default for the size values in wxWidgets (hence the predefined
+\texttt{wxDefaultSize} has both of its components equal to $-1$).
+
+This method is typically used before calling
+\helpref{SetDefaults}{wxsizesetdefaults}.
+
+
+\membersection{wxSize::GetWidth}\label{wxsizegetwidth}
+
+\constfunc{int}{GetWidth}{\void}
+
+Gets the width member.