VISUAL BASIC

Detailed explanation-1: -The dialog box (also called dialogue box (non-U.S. English), message box or simply dialog) is a graphical control element in the form of a small window that communicates information to the user and prompts them for a response.

Detailed explanation-2: -The isNaN() function determines whether a value is NaN when converted to a number.

Detailed explanation-3: -An End Case statement is used to terminate a Select Case structure. In a Select Case statement, the keyword Is must be used when testing with relational operators. A Case statement in a Select Case structure can test for a range of values. Each value in a Case statement is separated by a period.

Detailed explanation-4: -You can create your own code snippets but they cannot be added to the library. In adding a code snippet, if you right-click outside the desired location for your code, the shortcut menu might list choices that are customized to that area of code and not include the code snippet for which you were searching.