C / C++ / MFC

int array[5] = {0};

(a) for (i=0; i<5; i++) array[i] = 0;
(b) memset(array, 0, 5*sizeof(int));
(c) ZeroMemory(array, 5*sizeof(int));

(a)int *array;
   array = new int[5];
   ZeroMemory(array, 5*sizeof(int));
(b)int *array;
   array = (int*) calloc(5*sizeof(int));

HDC screenDC, memDC;
char buffer[200];
BITMAP bmInfo;
HBITMAP dcBmp;

screenDC = GetWindowDC(hwnd);
memDC = CreateCompatibleDC(screenDC);
HBITMAP myBmp = CreateCompatibleBitmap(memDC, 100, 100);
SelectObject(memDC, myBmp);

dcBmp = (HBITMAP)GetCurrentObject(memDC, OBJ_BITMAP);
if (dcBmp)
{
    GetObject(dcBmp, sizeof(bmInfo), &bmInfo);
    sprintf(buffer, "Bitmap is: %d x %d pixels.", bmInfo.bmWidth, bmInfo.bmHeight);
    MessageBox(hwnd, buffer, "Title", MB_OK);
}
else
    MessageBox(hwnd, "Error", "Title", MB_ICONEXCLAMATION);

simon alec smith wrote:

Is there a simple statement to hide the mouse pointer?

Mark Salsbery
Microsoft MVP - Visual C++

George_George wrote:

So, I think only one class named Abc exists in final binary after expansion, and it is the same as written Abc:Foo, Goo for the same effect?

Abc < foo >

Abc < goo >

George_George wrote:

is expanded to

template <class T>
class Abc : T
{
public:
  void missed();
};

int main()
{
  Abc<Foo> f;
  Abc<Goo> g;

  f.missed();
  g.missed();
  return 0;
}

?missed@?$Abc@VGoo@@@@QAEXXZ
?missed@?$Abc@VFoo@@@@QAEXXZ

- Foo;
- Goo;
- Abc < Foo >;
- Abc < Goo >;