Added the conversion to unspecfied_bool to all smart pointers, added T& operator* to wxObjectDataPtr

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@51118 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/scopedptr.tex

@@ -44,6 +44,15 @@ Destructor.
 
 Returns pointer to object or NULL.
 
+\membersection{wxScopedPtr<T>::operator unspecified\_bool\_type}\label{wxscopedptrtemplateoperatorbool}
+
+\constfunc{}{operator unspecified\_bool\_type}{\void}
+
+Conversion to a boolean expression (in a variant which is not 
+convertable to anything but a boolean expression). If this class
+contains a valid pointer it will return {\it true}, if it contains
+a NULL pointer it will return {\it false}.
+
 \membersection{wxScopedPtr<T>::operator*}\label{wxscopedptrtemplateoperatorreft}
 
 \constfunc{T \&}{operator*}{\void}