March 5, 1999

Sometimes you want to give your users the chance to confirm that they wish to proceed with the closure of a form. Instead of using a MsgBox function and a

You can easily make your program show descriptive text on a StatusBar control in response to mouse movement. Assign the text to the appropriate panel in the MouseMove events of

You can easily create a calendar grid similar to the one in Outlook to show data. First, start a VB project, then place an MSFlex Grid on the form, with

Subclassing a listbox allows you to monitor horizontal scrolling. To subclass a listbox, you store the original WndProc in the UserData area of the listbox, allowing a single replacement of

When a constructor has to pass arguments to its base class constructor or to an embedded object, you must use a mem-initializer: class base {private: int num1; char * text;public:

Fundamental types have a pseudo destructor. A pseudo destructor is a syntactic construct whose sole purpose is to satisfy the need of generic algorithms and containers. It is a no-op

When an exception is thrown, the exception handling mechanism searches for a matching handler for it. The matching rules for exceptions are more restrictive than the matching rules for function

You can initialize std::string with a pointer to char. However, it does not check the pointer. When the pointer happens to be NULL the results are undefined: #includeusing std::string;const char

Unlike ordinary functions, overloaded operators cannot declare a parameter with a default value (overloaded operator() is the only exception): class Date{ private: int day, month, year; public: Date & operator