A well-developed user interface will make it clear which components in a dialog are available to receive input from the user. The AWT Component class has a setEnabled method for altering the sensitivity, so when you extend the Component class and provide your own paint method, you should provide two
Question: I am trying to run a DOS program using the folowing syntax: WinExec(‘Command.com /c c: emaddr CN=variable’, wn_shownormal); I can’t manage to get it to work with a variable “variable”; I always get a variable conflict. Answer: You can’t just pass the variable on its own or as its
Question: Is it possible to control the printed page size and layout in DHTML? In other words, can I control how a DHTML page looks when it is printed and control elements such as page breaks and object placement on a printed page? I have an Automated Letter Generation system
Question: I want to split a TXT file into smaller TXT files. The program should split the file every time there are three empty lines. For example: Paragraph1Paragraph2 Paragraph1 and Paragraph 2 would become separate text files. I would be grateful if you could tell me which commands I should
Question: I have a table that contains the values returned from a SQL database. I have created a division within each cell. The ID value for the division is the keyvalue of the recordset. On mouseover, the DIV that I store the name of the current DIV in is a
Question: I’m using Delphi 2.0 Client/Server. The Delphi Object Pascal user’s guide says that the Integer size is 2 bytes (signed 16-bit with Range -32768-32768). But when I do the SizeOf(Integer) in the Delphi Evaluate box, I get the value 4. Is the SizeOf Integer in Delphi 2 or 4
Question: I am working on a project that reads in teletext information from the COM port in 8-bit binary form. Since ASCII does not represent teletext graphical characters, I have written my own font to represent the teletext characters. How can I change the font with which they are displayed
The default constructor, copy constructor, assignment operator, and destructor are special member functions. The implementation implicitly declares these member functions for a class when the program does not explicitly declare them. The default access specifier for these implicitly declared functions is always public.
C++ provides four standard I/O streams that are automatically instantiated before program’s outset. They are defined in the standard header : cin // standard input stream of charcout // standard output stream of char cerr // standard unbuffered output stream for error messagesclog // standard output stream for error messages