Visual FoxPro

Get the Value of the Nth Header Field

Demonstrates the Chilkat Email.GetHeaderFieldValue method, which returns the value of the Nth header field. Indexing begins at 0, and the count comes from NumHeaderFields. This example walks every header field, printing each name together with its value.

Background: GetHeaderFieldValue is the value half of index-based header enumeration — GetHeaderFieldName gives the field name at the same index. Iterating both is the reliable way to dump or inspect a full header block, including any repeated fields, which a name-based lookup would collapse to a single occurrence.

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LOCAL loEmail
LOCAL n
LOCAL i

*  Demonstrates the GetHeaderFieldValue method, which returns the value of the Nth header
*  field.  Indexing begins at 0; the number of header fields is given by NumHeaderFields.

loEmail = CreateObject('Chilkat.Email')
loEmail.Subject = "Enumerate header values"
loEmail.From = "alice@example.com"
loEmail.AddTo("Bob","bob@example.com")

n = loEmail.NumHeaderFields

FOR i = 0 TO n - 1
    ? loEmail.GetHeaderFieldName(i) + " = " + loEmail.GetHeaderFieldValue(i)
NEXT

RELEASE loEmail