TCM_GETITEMCOUNT  4OLGVAQ 

The TCM_GETITEMCOUNT message retrieves the number of tabs in the tab control. You can send this message explicitly or by using the TabCtrl_GetItemCount macro.

TCM_GETITEMCOUNT

wParam = 0;   // not used; must be zero

lParam = 0;   // not used; must be zero

Return Values

Returns the number of items if successful or zero otherwise.

See Also