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
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 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