e2a6f23364
added overloaded wxGetHostName etc. functions git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1474 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
107 lines
3.2 KiB
TeX
107 lines
3.2 KiB
TeX
\section{\class{wxModule}}\label{wxmodule}
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The module system is a very simple mechanism to allow applications (and parts of wxWindows itself) to
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define initialization and cleanup functions that are automatically called on wxWindows
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startup and exit.
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To define a new kind of module, derive a class from wxModule, override the OnInit and OnExit functions,
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and add the DECLARE\_DYNAMIC\_CLASS and IMPLEMENT\_DYNAMIC\_CLASS to header and implementation files
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(which can be the same file). On initialization, wxWindows will find all classes derived from wxModule,
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create an instance of each, and call each OnInit function. On exit, wxWindows will call the OnExit
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function for each module instance.
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Note that your module class does not have to be in a header file.
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For example:
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\begin{verbatim}
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// A module to allow DDE initialization/cleanup
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// without calling these functions from app.cpp or from
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// the user's application.
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class wxDDEModule: public wxModule
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{
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DECLARE_DYNAMIC_CLASS(wxDDEModule)
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public:
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wxDDEModule() {}
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bool OnInit() { wxDDEInitialize(); return TRUE; };
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void OnExit() { wxDDECleanUp(); };
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};
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IMPLEMENT_DYNAMIC_CLASS(wxDDEModule, wxModule)
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\end{verbatim}
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\wxheading{Derived from}
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\helpref{wxObject}{wxobject}
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxModule::wxModule}\label{wxmoduleconstr}
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\func{}{wxModule}{\void}
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Constructs a wxModule object.
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\membersection{wxModule::\destruct{wxModule}}
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\func{}{\destruct{wxModule}}{\void}
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Destructor.
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\membersection{wxModule::CleanupModules}\label{wxmodulecleanupmodules}
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\func{static void}{CleanupModules}{\void}
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Calls Exit for each module instance. Called by wxWindows on exit, so there is no
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need for an application to call it.
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\membersection{wxModule::Exit}\label{wxmoduleexit}
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\func{void}{Exit}{\void}
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Calls OnExit. This function is called by wxWindows and should not need to be called
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by an application.
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\membersection{wxModule::Init}\label{wxmoduleinit}
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\func{bool}{Init}{\void}
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Calls OnInit. This function is called by wxWindows and should not need to be called
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by an application.
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\membersection{wxModule::InitializeModules}\label{wxmoduleinitializemodules}
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\func{static bool}{InitializeModules}{\void}
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Calls Init for each module instance. Called by wxWindows on startup, so there is no
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need for an application to call it.
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\membersection{wxModule::OnExit}\label{wxmoduleonexit}
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\func{virtual void}{OnExit}{\void}
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Provide this function with appropriate cleanup for your module.
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\membersection{wxModule::OnInit}\label{wxmoduleoninit}
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\func{virtual bool}{OnInit}{\void}
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Provide this function with appropriate initialization for your module. If the function
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returns FALSE, wxWindows will exit immediately.
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\membersection{wxModule::RegisterModule}\label{wxmoduleregistermodule}
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\func{static void}{RegisterModule}{\param{wxModule*}{ module}}
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Registers this module with wxWindows. Called by wxWindows on startup, so there is no
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need for an application to call it.
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\membersection{wxModule::RegisterModules}\label{wxmoduleregistermodules}
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\func{static bool}{RegisterModules}{\void}
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Creates instances of and registers all modules. Called by wxWindows on startup, so there is no
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need for an application to call it.
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