Get MessageSet IDs as a Comma-Separated String

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Demonstrates the Chilkat MessageSet.ToCommaSeparatedStr method, which returns the unique identifiers as a comma-separated string in ascending numeric order. It takes no arguments; an empty set returns an empty string. This example inserts a few ids and prints them.

Background: This is the fully expanded, human-readable form — every identifier listed explicitly, such as 1,2,3,5. It is handy for logging or display. When you need the terse form that collapses consecutive runs into ranges (for example 1:3,5), use ToCompactString instead. Like the compact form, the returned string contains only the numeric values and not the HasUids setting.

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//  Demonstrates the MessageSet.ToCommaSeparatedStr method, which returns the unique identifiers
//  as a comma-separated string in ascending numeric order.  It takes no arguments.

Chilkat.MessageSet msgSet = new Chilkat.MessageSet();

//  Build a set by inserting individual identifiers.  The insertion order does not matter;
//  the identifiers are kept in ascending order and duplicates are ignored.
msgSet.InsertId(3);
msgSet.InsertId(1);
msgSet.InsertId(2);
msgSet.InsertId(5);

//  Get the identifiers as a comma-separated string.
string csv = msgSet.ToCommaSeparatedStr();
Debug.WriteLine(csv);
//  Output: 1,2,3,5