// get a render display, just a default window of some size
// extended features are available for more precision.
Render render = OpenDisplay(0);
   

RedrawCallback MyDraw = DrawHandler;
MouseCallback MyMouse;

KeyProc MyKey;
CloseCallback MyClose;
   

// called when the surface is initially shown, or when its surface changes.
// otherwise, the image drawn by the application is static, and does
// not get an update event.
SetRedrawHandler( render, MyDraw, 0 );
   
// This will get an event every time a mouse event happens.
// If no Key handler is specified, key strokes will also be mouse events.
SetMouseHandler( render, MyMouse, 0 );
   
// If the window was closed, get an event.
SetCloseHandler( render, MyClose, 0 );
   
// specify a handler to get keyboard events...
SetKeyboardHandler( render, MyKey, 0 );
   

// load an image
Image image = LoadImageFile( "sample.jpg" );
// get the image target of render
Image display = GetDisplayImage( render );
// copy the loaded image to the display image
BlotImage( display, image );
// and update the display
UpdateDisplay( render );

   
void CPROC DrawHandler( PTRSZVAL psvUserData, PRENDERER render )
{
    Image display = GetDisplayImage( render );
    // the display image may change, because of an external resize
   
    // update the image to display as desired...
   
    // when done, the draw handler should call UpdateDisplay or...
    UpdateDisplayPortion( render, 0, 0, 100, 100 );
}

UpdateDisplay( render );

RestoreDisplay( render );