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   Private Sub Button_Click_2(sender As Object, e As RoutedEventArgs)
        Dim btn = New Button
        btn.Width = 110
        btn.Height = 50
        btn.Content = "test"
        sender.Parent().Children.Add(btn)

    End Sub

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Imports Windows.UI.Popups

        Dim messageDialog = New MessageDialog("click")
        Await messageDialog.ShowAsync()
 

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  using namespace Windows::UI::Popups;

MessageDialog ^ dialog = ref new MessageDialog("Hello WinRT");
       
   dialog->ShowAsync();  
 

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extern "C" {
void MsgInfo( Platform::String ^ szMsg  )
{
    MessageDialog ^ dialog = ref new MessageDialog( szMsg );
       
    dialog->ShowAsync();  
}
};
 

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std::wstring stows( std::string s )
{
    std::wstring ws;

    ws.assign( s.begin(), s.end() );

    return ws;
}

std::string wstos( std::wstring ws )
{
    std::string s;

    s.assign( ws.begin(), ws.end() );
   
    return s;
}

Platform::String ^ stops( std::string s )
{
    return ref new Platform::String( stows( s ).c_str() );
}

std::string pstos( Platform::String ^ ps )
{
    return wstos( std::wstring( ps->Data() ) );
}

Platform::String ^ atops( const char * text )
{   
    return stops( std::string( text ) );
}

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extern "C" {
void hb_vmInit( BOOL );

std::wstring stows( std::string s )
{
    std::wstring ws;

    ws.assign( s.begin(), s.end() );

    return ws;
}

std::string wstos( std::wstring ws )
{
    std::string s;

    s.assign( ws.begin(), ws.end() );
   
    return s;
}

Platform::String ^ stops( std::string s )
{
    return ref new Platform::String( stows( s ).c_str() );
}

std::string pstos( Platform::String ^ ps )
{
    return wstos( std::wstring( ps->Data() ) );
}

Platform::String ^ atops( const char * text )
{   
    return stops( std::string( text ) );
}

void MsgInfo( char * szMsg  )
{
    MessageDialog ^ dialog = ref new MessageDialog( atops( szMsg ) );
       
    dialog->ShowAsync();  
}

void HB_FUN_MAIN( void );

};

Code: Select all  Expand view

    size_t i;
    char buffer[ 300 ];

    wcstombs_s( &i, buffer, (size_t) 300, std::wstring( this->code->Text->Data() ).data(), (size_t) 300 );
 

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    unsigned long ulLen = platformString->Length() * 2;    
    char * buffer = ( char * ) malloc( uiLen );
    size_t i;

    wcstombs_s( &i, buffer, uiLen, std::wstring( platformString->Data() ).data(), uiLen );
    ... (use the text)
    free( ( void * ) buffer );
 

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Button ^ fivewinrt::BlankPage::AddButton( void )
{
    static Button ^ btn = ref new Button;

    btn->Width = 110;
    btn->Height = 50;
    btn->Content = "Button";

    this->Grid->Children->Append( btn );

    return btn;
}

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void btn_Tapped( Object ^ sender, TappedRoutedEventArgs ^ e )
{
    MsgInfo( "btn Click" );
}

Button ^ fivewinrt::BlankPage::AddButton( void )
{
    static Button ^ btn = ref new Button;

    btn->Width = 110;
    btn->Height = 50;
    btn->Content = "Button";

    this->Grid->Children->Append( btn );

    btn->AddHandler( TappedEvent, ref new TappedEventHandler( btn_Tapped ), false );

    return btn;
}

Antonio Linares wrote:

Code: Select all  Expand view

void btn_Tapped( Object ^ sender, TappedRoutedEventArgs ^ e )

C++/CX (Component Extensions) is a language extension for C++ compilers from Microsoft that enables C++ programmers to write programs for the new Windows Runtime platform, or WinRT. It brings a set of syntax and library abstractions that interface with the COM-based WinRT programming model in a way that is natural to native C++-programmers.

The ref new instead returns a handle, which is a reference to the object rather than the pointer itself. These references are counted so that the object can be automatically deleted when there are no longer any references to it.