コレクション内のアイテム数を戻します。AttachmentField タイプのフィールド数を取得します (なし、また多数)。このプロパティは読み取り専用です。
VBScript
collection.Count
Perl
$collection->Count();
VBScript
set attachFields = entity.AttachmentFields
numFields = attachFields.Count
For x = 0 to numFields - 1
set oneField = attachFields.Item x
' ...
Next
Perl
# Get the list of attachment fields
$attachfields = $entity->GetAttachmentFields()
# Find out how many attachment fields there
# are so the for loop can iterate them
$numfields = $attachfields->Count();
for ($x = 0; $x < $numfields ; $x++)
{
# Get each attachment field
$onefield = $attachfields->Item($x);
# ...do some work with $onefield
}