C / C++ / MFC

Stephen Hewitt wrote:

These API are only meant for debugging purposes and not for memory management in the manner your post alludes to.

"The largest fire starts but with the smallest spark." - David Crow

"Judge not by the eye but by the heart." - Native American Proverb

int *pInt = new int;
delete pInt;
ASSERT( AfxIsValidAddress(pInt, sizeof(int)) );

Stephen Hewitt wrote:

If this practice was safe the ASSERT should fire: it doesn't.

"The largest fire starts but with the smallest spark." - David Crow

"Judge not by the eye but by the heart." - Native American Proverb

DavidCrow wrote:

Actually, it should only fire if the address pointed to by pInt was not contained entirely within the program’s memory space.

int *pInt = new int;
delete pInt;
ASSERT( AfxIsValidAddress(pInt, sizeof(int)) );

hatemtalbi wrote:

does someone know how to check if a pointer is valid (was allocated by the application and can be used without problem) or no?

"The largest fire starts but with the smallest spark." - David Crow

"Judge not by the eye but by the heart." - Native American Proverb

"The largest fire starts but with the smallest spark." - David Crow

"Judge not by the eye but by the heart." - Native American Proverb

honae wrote:

Because i wanna do something with the less requirements.

honae wrote:

Wmi does not work in win 95/98/ME.

honae wrote:

For that is necessary to install the resource.

"The largest fire starts but with the smallest spark." - David Crow

"Judge not by the eye but by the heart." - Native American Proverb

honae wrote:

WMI is not integrated in...ME

honae wrote:

I want that my application makes everything, understands?

"The largest fire starts but with the smallest spark." - David Crow

"Judge not by the eye but by the heart." - Native American Proverb

// The code fragment below shows how to use ON_COMMAND_RANGE macro
// to map a contiguous range of command IDs to a single message 
// handler function (i.e. OnFileMenuItems() is the sample below). In 
// addition, it also shows how to use CheckMenuRadioItem() to check a 
// selected menu item and makes it a radio item.
BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
   // ... 
   ON_COMMAND_RANGE(ID_FILE_MENUITEM1, ID_FILE_MENUITEM3, OnFileMenuItems)
END_MESSAGE_MAP()

void CMainFrame::OnFileMenuItems(UINT nID)
{
   CMenu* mmenu = GetMenu();
   CMenu* submenu = mmenu->GetSubMenu(0);
   submenu->CheckMenuRadioItem(ID_FILE_MENUITEM1, ID_FILE_MENUITEM3, 
      nID, MF_BYCOMMAND);
}