PPT Slide

hr = lpDirectPlay1->Receive(lpmsgFrom, lpmsgTo, DPRECEIVE_ALL, pMessage, &msgSize);

if(SUCCEEDED(hr)) //If yes, ...

{

// Update his coordinates

x1 = pMessage->x;

y1 = pMessage->y;

}

//Erase the back buffer to remove 'Hello World!' from previous position

DDBLTFX ddbltfx;

ddbltfx.dwSize = sizeof( ddbltfx );

ddbltfx.dwFillColor = PALETTEINDEX(0);

hr = lpBackBuffer->Blt( NULL,

NULL,

DDBLT_COLORFILL | DDBLT_WAIT,

&ddbltfx);

if(lpBackBuffer->GetDC(&hdc) == DD_OK)

{

GetTextExtentPoint32(hdc, msg, strlen(msg), &size );

//Update my coordinates

if(strcmp(direction,"UP")==0) //If UP arrow was pressed

if(yɬ) y-=ychange;

if(strcmp(direction,"DOWN")==0) //If DOWN arrow was pressed

if((y+size.cy) < window_height) y+=ychange;

if(strcmp(direction,"LEFT")==0) //If LEFT arrow was pressed

if(xɬ) x-=xchange;

if(strcmp(direction,"RIGHT")==0) //If RIGHT arrow was pressed

if((x+size.cx) < window_width) x+=xchange;

with the color specified

in ddbltfx.dwFillColor