Complete List Of Visual Basic Commands, Wirth А.

Complete List Of Visual Basic Commands, Wirth А.

Фрагмент из книги.
Because the default base is 0, the Option Base statement is never required. If used, the statement must appear in a module before any procedures. Option Base can appear only once in a module and must precede array declarations that include dimensions.
The Option Base statement only affects the lower bound of arrays in the module where the statement is located.




Val function.
Returns the numbers contained in a string as a numeric value of appropriate type.
Syntax
Val(string).

The required string argument is any valid string expression.
The Val function stops reading the string at the first character it can't recognize as part of a number. Symbols
and characters that are often considered parts of numeric values, such as dollar signs and commas, are not
recognized. However, the function recognizes the radix prefixes &O (for octal) and &H (for hexadecimal).
Blanks, tabs, and linefeed characters are stripped from the argument.

Contents.
Strings.
Math.
Logic.
Arrays.
Files/Folders.
Error Handling.
Declarations.
Date/Time.
Miscellaneous.
Values.
Loops and Conditional.



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