changed wxConfigBase::Get signature to wxConfigBase::Get(bool CreateOnDemand = TRUE)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5474 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/latex/wx/config.tex

@@ -17,6 +17,9 @@ wxFileConfig otherwise.
 See \helpref{config overview}{wxconfigoverview} for the descriptions of all
 features of this class.
 
+It is highly recommended to use static functions {\it Get()} and/or {\it Set()}, 
+so please have a \helpref{look at them.}{wxconfigstaticfunctions}
+
 \wxheading{Derived from}
 
 No base class
@@ -75,7 +78,7 @@ physical storage where a wxConfigBase-derived class stores its data.
 
 \latexignore{\rtfignore{\wxheading{Function groups}}}
 
-\membersection{Static functions}
+\membersection{Static functions}\label{wxconfigstaticfunctions}
 
 These functions deal with the "default" config object. Although its usage is
 not at all mandatory it may be convenient to use a global config object
@@ -93,6 +96,11 @@ you may forget about calling {\it Set()}. When {\it Get()} is called and there
 is no current object, it will create one using {\it Create()} function. To
 disable this behaviour {\it DontCreateOnDemand()} is provided.
 
+{\bf Note:} You should use either {\it Set()} or {\it Get()} because wxWindows
+library itself would take advantage of it and could save various information
+in it. For example \helpref{wxFontMapper}{wxfontmapper} or Unix version
+of \helpref{wxFileDialog}{wxfiledialog} have ability to use wxConfig class.
+
 \helpref{Set}{wxconfigbaseset}\\
 \helpref{Get}{wxconfigbaseget}\\
 \helpref{Create}{wxconfigbasecreate}\\
@@ -426,9 +434,10 @@ destructor)
 
 \membersection{wxConfigBase::Get}\label{wxconfigbaseget}
 
-\func{wxConfigBase *}{Get}{\void}
+\func{wxConfigBase *}{Get}{\param{bool }{CreateOnDemand = TRUE}}
 
-Get the current config object. If there is no current object, creates one
+Get the current config object. If there is no current object and
+{\it CreateOnDemand} is TRUE, creates one
 (using {\it Create}) unless DontCreateOnDemand was called previously.
 
 \membersection{wxConfigBase::GetAppName}\label{wxconfigbasegetappname}

include/wx/confbase.h

@@ -90,7 +90,8 @@ public:
   static wxConfigBase *Set(wxConfigBase *pConfig);
     // get the config object, creates it on demand unless DontCreateOnDemand
     // was called
-  static wxConfigBase *Get() { if ( !ms_pConfig ) Create(); return ms_pConfig; }
+  static wxConfigBase *Get(bool createOnDemand = TRUE) 
+       { if ( createOnDemand && (!ms_pConfig) ) Create(); return ms_pConfig; }
     // create a new config object: this function will create the "best"
     // implementation of wxConfig available for the current platform, see
     // comments near definition wxUSE_CONFIG_NATIVE for details. It returns