+ ch = file_input.GetC();
+ str.Printf( wxT("First char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = file_input.Peek();
+ str.Printf( wxT("Second char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = file_input.GetC();
+ str.Printf( wxT("Second char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = file_input.Peek();
+ str.Printf( wxT("Third char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = file_input.GetC();
+ str.Printf( wxT("Third char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+
+ textCtrl << _T("\n\n\nTesting wxMemoryInputStream's Peek():\n\n");
+
+ char buf[] = { 0,1,2,3,4,5,6,7,8,9,10 };
+ wxMemoryInputStream input( buf, 10 );
+
+ ch = input.Peek();
+ str.Printf( wxT("First char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = input.GetC();
+ str.Printf( wxT("First char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = input.Peek();
+ str.Printf( wxT("Second char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = input.GetC();
+ str.Printf( wxT("Second char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = input.Peek();
+ str.Printf( wxT("Third char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = input.GetC();
+ str.Printf( wxT("Third char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+}
+
+void MyApp::DoStreamDemo6(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl.WriteText( _T("\nTesting Ungetch():\n\n") );
+
+ char ch = 0;
+ wxString str;
+
+ textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream...\n\n") );
+
+ wxFileOutputStream file_output( wxString(_T("test_wx.dat")) );
+ for (ch = 0; ch < 10; ch++)
+ file_output.Write( &ch, 1 );
+
+ file_output.Sync();
+
+ textCtrl.WriteText( _T("Reading char from wxFileInputStream:\n\n") );
+
+ wxFileInputStream file_input( wxString(_T("test_wx.dat")) );
+
+ ch = file_input.GetC();
+ size_t pos = file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading another char from wxFileInputStream:\n\n") );
+
+ ch = file_input.GetC();
+ pos = file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading yet another char from wxFileInputStream:\n\n") );
+
+ ch = file_input.GetC();
+ pos = file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxFileInputStream...\n\n") );
+
+ file_input.Ungetch( 5 );
+ pos = file_input.TellI();
+ str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading char from wxFileInputStream:\n\n") );
+
+ ch = file_input.GetC();
+ pos = file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading another char from wxFileInputStream:\n\n") );
+
+ ch = file_input.GetC();
+ pos = file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxFileInputStream again...\n\n") );
+
+ file_input.Ungetch( 5 );
+ pos = file_input.TellI();
+ str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Seeking to pos 3 in wxFileInputStream. This invalidates the writeback buffer.\n\n") );
+
+ file_input.SeekI( 3 );
+
+ ch = file_input.GetC();
+ pos = file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+}
+
+void MyApp::DoStreamDemo7(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl.WriteText( _T("\nTesting Ungetch() in buffered input stream:\n\n") );
+
+ char ch = 0;
+ wxString str;
+
+ textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream...\n\n") );
+
+ wxFileOutputStream file_output( wxString(_T("test_wx.dat")) );
+ for (ch = 0; ch < 10; ch++)
+ file_output.Write( &ch, 1 );
+
+ file_output.Sync();
+
+ textCtrl.WriteText( _T("Reading char from wxBufferedInputStream via wxFileInputStream:\n\n") );
+
+ wxFileInputStream file_input( wxString(_T("test_wx.dat")) );
+ wxBufferedInputStream buf_input( file_input );
+
+ ch = buf_input.GetC();
+ size_t pos = buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading another char from wxBufferedInputStream:\n\n") );
+
+ ch = buf_input.GetC();
+ pos = buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading yet another char from wxBufferedInputStream:\n\n") );
+
+ ch = buf_input.GetC();
+ pos = buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxBufferedInputStream...\n\n") );
+
+ buf_input.Ungetch( 5 );
+ pos = buf_input.TellI();
+ str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading char from wxBufferedInputStream:\n\n") );
+
+ ch = buf_input.GetC();
+ pos = buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading another char from wxBufferedInputStream:\n\n") );
+
+ ch = buf_input.GetC();
+ pos = buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxBufferedInputStream again...\n\n") );
+
+ buf_input.Ungetch( 5 );
+ pos = buf_input.TellI();
+ str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Seeking to pos 3 in wxBufferedInputStream. This invalidates the writeback buffer.\n\n") );
+
+ buf_input.SeekI( 3 );
+
+ ch = buf_input.GetC();
+ pos = buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );