initial commit
Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>
This commit is contained in:
442
libs/wxWidgets-3.3.1/samples/ipc/client.cpp
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442
libs/wxWidgets-3.3.1/samples/ipc/client.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: client.cpp
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// Purpose: DDE sample: client
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// Author: Julian Smart
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// Modified by: Jurgen Doornik
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// Created: 25/01/99
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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// Settings common to both executables: determines whether
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// we're using TCP/IP or real DDE.
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#include "ipcsetup.h"
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#include "wx/datetime.h"
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#include "client.h"
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#ifndef wxHAS_IMAGES_IN_RESOURCES
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#include "../sample.xpm"
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#endif
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// ----------------------------------------------------------------------------
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// wxWin macros
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// ----------------------------------------------------------------------------
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wxIMPLEMENT_APP(MyApp);
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wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(wxID_EXIT, MyFrame::OnExit)
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EVT_CLOSE( MyFrame::OnClose )
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EVT_BUTTON( ID_START, MyFrame::OnStart )
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EVT_CHOICE( ID_SERVERNAME, MyFrame::OnServername )
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EVT_CHOICE( ID_HOSTNAME, MyFrame::OnHostname )
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EVT_CHOICE( ID_TOPIC, MyFrame::OnTopic )
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EVT_BUTTON( ID_DISCONNECT, MyFrame::OnDisconnect )
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EVT_BUTTON( ID_STARTADVISE, MyFrame::OnStartAdvise )
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EVT_BUTTON( ID_STOPADVISE, MyFrame::OnStopAdvise )
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EVT_BUTTON( ID_POKE, MyFrame::OnPoke )
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EVT_BUTTON( ID_EXECUTE, MyFrame::OnExecute )
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EVT_BUTTON( ID_REQUEST, MyFrame::OnRequest )
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wxEND_EVENT_TABLE()
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// ----------------------------------------------------------------------------
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// globals
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// ----------------------------------------------------------------------------
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// MyApp
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// ----------------------------------------------------------------------------
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// The `main program' equivalent, creating the windows and returning the
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// main frame
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bool MyApp::OnInit()
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{
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if ( !wxApp::OnInit() )
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return false;
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// Create the main frame window
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m_frame = new MyFrame(nullptr, "Client");
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m_frame->Show(true);
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return true;
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}
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int MyApp::OnExit()
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{
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return 0;
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}
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// Define my frame constructor
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MyFrame::MyFrame(wxFrame *frame, const wxString& title)
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: wxFrame(frame, wxID_ANY, title, wxDefaultPosition, wxSize(400, 300))
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{
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// Give it an icon
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SetIcon(wxICON(sample));
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// Make a menubar
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wxMenu *file_menu = new wxMenu;
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file_menu->Append(wxID_EXIT, "&Quit\tCtrl-Q");
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wxMenuBar *menu_bar = new wxMenuBar;
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menu_bar->Append(file_menu, "&File");
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// Associate the menu bar with the frame
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SetMenuBar(menu_bar);
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// set a dialog background
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SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
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// add the controls to the frame
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wxString strs4[] =
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{
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IPC_SERVICE, "..."
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};
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wxString strs5[] =
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{
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IPC_HOST, "..."
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};
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wxString strs6[] =
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{
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IPC_TOPIC, "..."
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};
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wxPanel * const panel = new wxPanel(this);
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wxBoxSizer * const sizerMain = new wxBoxSizer( wxVERTICAL );
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wxGridSizer * const sizerCmds = new wxGridSizer( 4, 0, 0 );
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wxButton * const btnConnect = new wxButton( panel, ID_START, "Connect to server", wxDefaultPosition, wxDefaultSize, 0 );
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sizerCmds->Add( btnConnect, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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wxChoice * const choiceHost = new wxChoice( panel, ID_HOSTNAME, wxDefaultPosition, wxSize(100,-1), 2, strs5, 0 );
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sizerCmds->Add( choiceHost, 0, wxALIGN_CENTER|wxALL, 5 );
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wxChoice * const choiceServer = new wxChoice( panel, ID_SERVERNAME, wxDefaultPosition, wxSize(100,-1), 2, strs4, 0 );
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sizerCmds->Add( choiceServer, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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wxChoice * const choiceTopic = new wxChoice( panel, ID_TOPIC, wxDefaultPosition, wxSize(100,-1), 2, strs6, 0 );
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sizerCmds->Add( choiceTopic, 0, wxALIGN_CENTER|wxALL, 5 );
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wxButton * const btnDisconnect = new wxButton( panel, ID_DISCONNECT, "Disconnect ", wxDefaultPosition, wxDefaultSize, 0 );
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sizerCmds->Add( btnDisconnect, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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wxButton * const btnStartAdvise = new wxButton( panel, ID_STARTADVISE, "StartAdvise", wxDefaultPosition, wxDefaultSize, 0 );
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sizerCmds->Add( btnStartAdvise, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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wxButton * const btnStopAdvise = new wxButton( panel, ID_STOPADVISE, "StopAdvise", wxDefaultPosition, wxDefaultSize, 0 );
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sizerCmds->Add( btnStopAdvise, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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wxButton * const btnExecute = new wxButton( panel, ID_EXECUTE, "Execute", wxDefaultPosition, wxDefaultSize, 0 );
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sizerCmds->Add( btnExecute, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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wxButton * const btnPoke = new wxButton( panel, ID_POKE, "Poke", wxDefaultPosition, wxDefaultSize, 0 );
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sizerCmds->Add( btnPoke, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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wxButton * const btnRequest = new wxButton( panel, ID_REQUEST, "Request", wxDefaultPosition, wxDefaultSize, 0 );
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sizerCmds->Add( btnRequest, 0, wxGROW|wxALIGN_CENTER_VERTICAL|wxALL, 5 );
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sizerCmds->Add( 20, 20, 0, wxALIGN_CENTER|wxALL, 5 );
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sizerMain->Add( sizerCmds, wxSizerFlags().Expand().Border(wxALL) );
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wxStaticBoxSizer * const
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sizerLog = new wxStaticBoxSizer(wxVERTICAL, panel, "Client log");
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wxTextCtrl * const textLog = new wxTextCtrl( sizerLog->GetStaticBox(), wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(500,140), wxTE_MULTILINE );
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sizerLog->Add( textLog, wxSizerFlags(1).Expand().Border(wxALL) );
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sizerMain->Add( sizerLog, wxSizerFlags(1).Expand().Border(wxALL) );
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panel->SetSizer( sizerMain );
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SetClientSize( panel->GetBestSize() );
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// status
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m_client = nullptr;
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GetServername()->SetSelection(0);
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GetHostname()->SetSelection(0);
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GetTopic()->SetSelection(0);
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wxLogTextCtrl *logWindow = new wxLogTextCtrl(textLog);
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delete wxLog::SetActiveTarget(logWindow);
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wxLogMessage("Click on Connect to connect to the server");
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EnableControls();
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}
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void MyFrame::EnableControls()
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{
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GetStart()->Enable(m_client == nullptr);
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GetServername()->Enable(m_client == nullptr);
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GetHostname()->Enable(m_client == nullptr);
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GetTopic()->Enable(m_client == nullptr);
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const bool isConnected = (m_client != nullptr && m_client->IsConnected());
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GetDisconnect()->Enable(m_client != nullptr && isConnected);
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GetStartAdvise()->Enable(m_client != nullptr && isConnected);
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GetStopAdvise()->Enable(m_client != nullptr && isConnected);
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GetExecute()->Enable(m_client != nullptr && isConnected);
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GetPoke()->Enable(m_client != nullptr && isConnected);
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GetRequest()->Enable(m_client != nullptr && isConnected);
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}
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void MyFrame::OnClose(wxCloseEvent& event)
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{
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wxDELETE(m_client);
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event.Skip();
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}
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void MyFrame::OnExit(wxCommandEvent& WXUNUSED(event))
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{
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Close();
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}
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void MyFrame::OnStart(wxCommandEvent& WXUNUSED(event))
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{
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// Connect to the client
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wxString servername = GetServername()->GetStringSelection();
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wxString hostname = GetHostname()->GetStringSelection();
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wxString topic = GetTopic()->GetStringSelection();
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m_client = new MyClient;
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bool retval = m_client->Connect(hostname, servername, topic);
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wxLogMessage("Client host=\"%s\" port=\"%s\" topic=\"%s\" %s",
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hostname, servername, topic,
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retval ? "connected" : "failed to connect");
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if (!retval)
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{
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wxDELETE(m_client);
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}
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EnableControls();
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}
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void MyFrame::OnServername( wxCommandEvent& WXUNUSED(event) )
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{
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if (GetServername()->GetStringSelection() == "...")
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{
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wxString s = wxGetTextFromUser("Specify the name of the server",
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"Server Name", wxEmptyString, this);
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if (!s.IsEmpty() && s != IPC_SERVICE)
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{
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GetServername()->Insert(s, 0);
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GetServername()->SetSelection(0);
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}
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}
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}
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void MyFrame::OnHostname( wxCommandEvent& WXUNUSED(event) )
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{
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if (GetHostname()->GetStringSelection() == "...")
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{
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wxString s = wxGetTextFromUser("Specify the name of the host (ignored under DDE)",
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"Host Name", wxEmptyString, this);
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if (!s.IsEmpty() && s != IPC_HOST)
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{
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GetHostname()->Insert(s, 0);
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GetHostname()->SetSelection(0);
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}
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}
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}
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void MyFrame::OnTopic( wxCommandEvent& WXUNUSED(event) )
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{
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if (GetTopic()->GetStringSelection() == "...")
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{
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wxString s = wxGetTextFromUser("Specify the name of the topic",
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"Topic Name", wxEmptyString, this);
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if (!s.IsEmpty() && s != IPC_TOPIC)
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{
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GetTopic()->Insert(s, 0);
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GetTopic()->SetSelection(0);
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}
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}
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}
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void MyFrame::OnDisconnect(wxCommandEvent& WXUNUSED(event))
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{
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Disconnect();
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}
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void MyFrame::Disconnect()
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{
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wxDELETE(m_client);
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EnableControls();
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}
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void MyFrame::OnStartAdvise(wxCommandEvent& WXUNUSED(event))
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{
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m_client->GetConnection()->StartAdvise("something");
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}
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void MyFrame::OnStopAdvise(wxCommandEvent& WXUNUSED(event))
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{
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m_client->GetConnection()->StopAdvise("something");
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}
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void MyFrame::OnExecute(wxCommandEvent& WXUNUSED(event))
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{
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if (m_client->IsConnected())
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{
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wxString s = "Date";
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m_client->GetConnection()->Execute(s);
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m_client->GetConnection()->Execute((const char *)s.c_str(), s.length() + 1);
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char bytes[3];
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bytes[0] = '1';
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bytes[1] = '2';
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bytes[2] = '3';
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m_client->GetConnection()->Execute(bytes, WXSIZEOF(bytes));
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}
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}
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void MyFrame::OnPoke(wxCommandEvent& WXUNUSED(event))
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{
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if (m_client->IsConnected())
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{
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wxString s = wxDateTime::Now().Format();
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m_client->GetConnection()->Poke("Date", s);
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s = wxDateTime::Now().FormatTime() + " " + wxDateTime::Now().FormatDate();
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m_client->GetConnection()->Poke("Date", (const char *)s.c_str(), s.length() + 1);
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char bytes[3];
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bytes[0] = '1'; bytes[1] = '2'; bytes[2] = '3';
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m_client->GetConnection()->Poke("bytes[3]", bytes, 3, wxIPC_PRIVATE);
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}
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}
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void MyFrame::OnRequest(wxCommandEvent& WXUNUSED(event))
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{
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if (m_client->IsConnected())
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{
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size_t size;
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m_client->GetConnection()->Request("Date");
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m_client->GetConnection()->Request("Date+len", &size);
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m_client->GetConnection()->Request("bytes[3]", &size, wxIPC_PRIVATE);
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}
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}
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// ----------------------------------------------------------------------------
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// MyClient
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// ----------------------------------------------------------------------------
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MyClient::MyClient() : wxClient()
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{
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m_connection = nullptr;
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}
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bool MyClient::Connect(const wxString& sHost, const wxString& sService, const wxString& sTopic)
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{
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// suppress the log messages from MakeConnection()
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wxLogNull nolog;
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m_connection = (MyConnection *)MakeConnection(sHost, sService, sTopic);
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return m_connection != nullptr;
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}
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wxConnectionBase *MyClient::OnMakeConnection()
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{
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return new MyConnection;
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}
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void MyClient::Disconnect()
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{
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if (m_connection)
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{
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m_connection->Disconnect();
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wxDELETE(m_connection);
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wxGetApp().GetFrame()->EnableControls();
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wxLogMessage("Client disconnected from server");
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}
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}
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MyClient::~MyClient()
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{
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Disconnect();
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}
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// ----------------------------------------------------------------------------
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// MyConnection
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// ----------------------------------------------------------------------------
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bool MyConnection::OnAdvise(const wxString& topic, const wxString& item, const void *data,
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size_t size, wxIPCFormat format)
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{
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Log("OnAdvise", topic, item, data, size, format);
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return true;
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}
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bool MyConnection::OnDisconnect()
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{
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wxLogMessage("OnDisconnect()");
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wxGetApp().GetFrame()->Disconnect();
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return true;
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}
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bool MyConnection::DoExecute(const void *data, size_t size, wxIPCFormat format)
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{
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Log("Execute", wxEmptyString, wxEmptyString, data, size, format);
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bool retval = wxConnection::DoExecute(data, size, format);
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if (!retval)
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{
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wxLogMessage("Execute failed!");
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}
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return retval;
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}
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const void *MyConnection::Request(const wxString& item, size_t *size, wxIPCFormat format)
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{
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const void *data = wxConnection::Request(item, size, format);
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Log("Request", wxEmptyString, item, data, size ? *size : wxNO_LEN, format);
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return data;
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}
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bool MyConnection::DoPoke(const wxString& item, const void *data, size_t size, wxIPCFormat format)
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{
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Log("Poke", wxEmptyString, item, data, size, format);
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return wxConnection::DoPoke(item, data, size, format);
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}
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