Operate on an Array of Selected ListItems
The fast way to get multiple selected items from a ListBox control is to send it a LB_GETSELITEMS window message. Here
The fast way to get multiple selected items from a ListBox control is to send it a LB_GETSELITEMS window message. Here
As the user types into a drop-down combo box, he or she passes keystrokes to the ComboIncrementalSearch routine, which then searches the combo box
To optimize the If construct, separating testing conditions (“And” operator or “Or” operator) in different expressions can improve the performance. For example, don
The VB Integrated Development Environment (IDE) contains many toolbars and menu functions, and the functions you normally use are usually on different toolbars and menus, so most programmers have several
To read a binary value from an input file stream (ifstream) object, use the read() member function. read() takes two parameters: char * and long, which hold the address of
It’s a good idea to parenthesize every macro argument. For example: #define MAX(x,y) (x)>(y)?(x):(y) The parentheses ensure that the macro is evaluated correctly, even if the user passes complex expressions
A polymorphic object has one or more virtual functions. When you serialize such an object to a file so that it can be reconstituted later, the deserialization might rewrite its