Learn Control Array Bounds
August 1, 1998
You can use a control array’s UBound and LBound properties to determine how many controls are loaded. This code fills a string with the captions in the Label1 control array:
Menu
You can use a control array’s UBound and LBound properties to determine how many controls are loaded. This code fills a string with the captions in the Label1 control array:
Use the Format$ function to produce right- or left-justified text: Format$(123, “@@@@@@”) gives ” 123″Format$(123, “!@@@@@@”) gives “123 “
To close forms uniformly, treat the system menu’s Close command and your File menu’s Exit command in the same manner. In your Exit command, simply unload the form. Let the
Upon initialization, the VB5 IDE presents you with a list of project types, such as Standard EXE or ActiveX EXE. You can also create new project types yourself by creating
Many commercial apps select the contents of the text box automatically whenever it gets focus. You can do the same in your apps with a few VB statements. Invoke the
To put two actions for one onmouseover=” ” event, just separate the two actions with a semicolon just like you would any two JavaScript statements. For example: OnChange=”alert(‘First Action’);alert(‘Second Action’)”
The standard string class has a dual interface: it supports both C-style strings as well as string objects in various operations: const char text[] = “hello world”;string s = text;
In order to overload a function, a different signature should be used for each overloaded version. A function signature consists of the list of types of its arguments as well
All C/C++ compilers define the following macros: __DATE__ //a literal containing the compilation date in the form “Apr 13 1998″__TIME__ //a literal containing the compilation time in the form “10:01:07″__FILE__