System 2.0.0.0 4.0.0.0 System.Collections.ObjectModel.Collection<System.Net.Mail.MailAddress> System.Net.Mail.MailAddress The , , and properties return instances of this class that are used to hold the respective e-mail addresses. For details on the mail address formats supported by the class, see the class. Store e-mail addresses that are associated with an e-mail message. Constructor 2.0.0.0 4.0.0.0 To be added. Initializes an empty instance of the class. Method 2.0.0.0 4.0.0.0 System.Void If multiple e-mail addresses separated with a semicolon character (";") are passed in the parameter. a exception is raised. Add a list of e-mail addresses to the collection. The e-mail addresses to add to the . Multiple e-mail addresses must be separated with a comma character (","). Method 2.0.0.0 4.0.0.0 System.Void To be added. Inserts an e-mail address into the , at the specified location. The location at which to insert the e-mail address that is specified by . The e-mail address to be inserted into the collection. Method 2.0.0.0 4.0.0.0 System.Void To be added. Replaces the element at the specified index. The index of the e-mail address element to be replaced. An e-mail address that will replace the element in the collection. Method 2.0.0.0 4.0.0.0 System.String When this collection contains multiple addresses, they are separated by a comma character (","). Returns a string representation of the e-mail addresses in this object. A containing the e-mail addresses in this collection.