System.Val
From RAD Studio API Documentation
Delphi
procedure Val(S: String; var V; var Code: Integer);
Contents |
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| procedure | public | System.pas | System | System |
Description
Converts a string to a numeric representation.
In Delphi code, Val converts the string value S to its numeric representation, as if it were read from a text file with Read.
S is a string-type expression; it must be a sequence of characters that form a signed real number.
V is an integer-type or real-type variable. If V is an integer-type variable, S must form a whole number.
Code is a variable of type Integer.
If the string is invalid, the index of the offending character is stored in Code; otherwise, Code is set to zero. For a null-terminated string, the error position returned in Code is one larger than the actual zero-based index of the character in error.
See Also