ToLower(Source: String): String;
Source - source string.
The ToLower method makes all the characters of the specified string lowercase.
Sub Main;
Var
s, s1: String;
Begin
s := "aBcDeF";
s1 := String.ToLower(s);
End Sub Main;
After executing the example the "s1" variable will contain the "s" string, all the characters of which are lowercase: "abcdef".
See also: