Constructs a comma-delimited list of values.

function CommaAdd(Const AStr1: String; Const AStr2: String): string;

Inital value in the list. AStr2 - Final value in the list.

CommaAdd is a String function used to construct a comma-delimited list containing the values in AStr1 and AStr2. CommaAdd appends a comma to the value in AStr1 followed by the value in AStr2. If AStr1 contains an empty string (''), the return value for the function contains only the value in AStr2.