C#

public static void* Alloc(int size) // size = 1920000
{
    try
    {
       static int ph = GetProcessHeap(); // class variable

        void* result = HeapAlloc(ph, HEAP_ZERO_MEMORY, size);
        if (result == null)
        {
            throw new OutOfMemoryException();
        }
        return result;
    }
    catch(Exception ex)
    { }

    return null;
}

// Heap API functions
[DllImport("kernel32")]
static extern int GetProcessHeap();

[DllImport("kernel32")]
static extern void* HeapAlloc(int hHeap, int flags, int size);