OnBitmapDataPathClosed example for C++ Builder

bool gBtmpClosed; // Global Variable
void __fastcall TForm1::LEADImage1BitmapDataPathClosed ()
{
   gBtmpClosed= false;
   ShowMessage ( "Closed" ) ;
}

void __fastcall TForm1::Button1Click(TObject *Sender)
{
    gBtmpClosed= true;
    LEADImage1->BitmapDataPath = "http://www.leadtools.com/Home2/vertmkts/images/v13web.jpg";
    while ( gBtmpClosed )
      Application->ProcessMessages ( ) ;

    LEADImage1->BitmapDataPath= "http://www.leadtools.com/images/end-user.jpg";
}