+
+ wxBoxSizer *top_sizer = new wxBoxSizer( wxHORIZONTAL );
+ top_sizer->Add( dataview_left, 1, wxGROW );
+ top_sizer->Add(10,10);
+ top_sizer->Add( dataview_right, 1, wxGROW );
+
+ wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
+ button_sizer->Add( 10, 10, 1 );
+ wxFlexGridSizer *left_sizer = new wxFlexGridSizer( 2 );
+ left_sizer->Add( new wxButton( this, ID_APPEND_ROW_LEFT, wxT("Append") ), 0, wxALL, 5 );
+ left_sizer->Add( new wxButton( this, ID_PREPEND_ROW_LEFT, wxT("Prepend") ), 0, wxALL, 5 );
+ left_sizer->Add( new wxButton( this, ID_INSERT_ROW_LEFT, wxT("Insert") ), 0, wxALL, 5 );
+ left_sizer->Add( new wxButton( this, ID_DELETE_ROW_LEFT, wxT("Delete second") ), 0, wxALL, 5 );
+ left_sizer->Add( new wxButton( this, ID_EDIT_ROW_LEFT, wxT("Edit") ), 0, wxALL, 5 );
+ left_sizer->Add( 5,5 );
+ left_sizer->Add( new wxButton( this, ID_SELECT, wxT("Select third") ), 0, wxALL, 5 );
+ left_sizer->Add( new wxButton( this, ID_UNSELECT_ALL, wxT("Unselect all") ), 0, wxALL, 5 );
+ button_sizer->Add( left_sizer );
+ button_sizer->Add( 10, 10, 2 );
+ wxFlexGridSizer *right_sizer = new wxFlexGridSizer( 2 );
+ right_sizer->Add( new wxButton( this, ID_APPEND_ROW_RIGHT, wxT("Append") ), 0, wxALL, 5 );
+ right_sizer->Add( new wxButton( this, ID_PREPEND_ROW_RIGHT, wxT("Prepend") ), 0, wxALL, 5 );
+ right_sizer->Add( new wxButton( this, ID_INSERT_ROW_RIGHT, wxT("Insert") ), 0, wxALL, 5 );
+ right_sizer->Add( new wxButton( this, ID_DELETE_ROW_RIGHT, wxT("Delete second") ), 0, wxALL, 5 );
+ right_sizer->Add( new wxButton( this, ID_EDIT_ROW_RIGHT, wxT("Edit") ), 0, wxALL, 5 );
+ button_sizer->Add( right_sizer );
+ button_sizer->Add( 10, 10, 1 );
+
+ wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
+ main_sizer->Add( top_sizer, 1, wxGROW );
+ main_sizer->Add( button_sizer, 0, wxGROW );