(Swift 3,4,5...) Add File Attachments to an Email

Demonstrates how to add one or more file attachments to an email.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    let email = CkoEmail()!

    email.subject = "This is a test"
    email.body = "This is a test"
    email.from = "support@chilkatsoft.com"
    var success: Bool = email.add(to: "Chilkat Admin", emailAddress: "admin@chilkatsoft.com")

    // To add file attachments to an email, call AddFileAttachment
    // once for each file to be attached.  The method returns
    // the content-type of the attachment if successful, otherwise
    // returns cknull
    var contentType: String?

    contentType = email.addFileAttachment("something.pdf")
    if email.lastMethodSuccess != true {
        print("\(email.lastErrorText!)")
        return
    }

    contentType = email.addFileAttachment("something.xml")
    if email.lastMethodSuccess != true {
        print("\(email.lastErrorText!)")
        return
    }

    contentType = email.addFileAttachment("something.zip")
    if email.lastMethodSuccess != true {
        print("\(email.lastErrorText!)")
        return
    }

    success = email.saveEml("email.eml")
    if success == false {
        print("\(email.lastErrorText!)")
        return
    }

    print("Saved EML!")

}