C / C++ / MFC

void CMyApp::UpdateEverybody()
{
    POSITION posTemplate;
    POSITION posDocument;
 
    //Look through the list of templates.
    posTemplate = GetFirstDocTemplatePosition();
    while(posTemplate)
    {
        CDocTemplate* pTemplate = GetNextDocTemplate(posTemplate);
        if(pTemplate)
        {
            //Look through the list of docs.
            posDocument = pTemplate->GetFirstDocPosition();
            while(posDocument)
            {
                CDocument *pDoc = theApp.pDefectDocTemplate->GetNextDoc(posDocument);
                if(pDoc)
                    pDoc->UpdateAllViews(NULL);
            }
        }
    }
}

//In your code.
...
    //Update everybody.
    theApp.UpdateEverybody();
...

class CMyApp : public CWinApp
{
    ...
};
 
//Add this.
extern CMyApp theApp;

void CMyApp::SendMessageToEverybody(UINT nMsg, WPARM wParam, LPARM lParam)
{
  //See MSDN for help with SendMessageToDescendants.
  //AfxGetMainWnd()->SendMessageToDescendants(nMsg, wParam, lParam, ...);
}

int* p = (int*)0x0FCC00;
*p = 123456;

double dMyMagicNum = 3.1415926535897932384626433832795;
printf("dMyMagicNum is at 0x%p \n", &dMyMagicNum);

char* buf = new char[sizeof(int) * 300];
int* p = new(buf + 6) int; // To dig some memory from the memory you've already allocated.
printf("Buf: 0x%p, p: 0x%p\n", buf, p);