The ability to create custom placeholder controls is by far one of the most exciting advancements in MCMS 2002. Previous versions of MCMS shipped with the standard placeholder controls that you saw in Chapter 7 but there was very little that could be done to change the way they behaved.
To recap, the default MCMS placeholder controls provide basic authoring features. To add files, authors use the
SingleImagePlaceholderControl is used for images, and for everything else there is the
HtmlPlaceholderControl, which can also include attachments and images. On the face of it, you may not find any compelling reasons to take the extra time to build custom placeholder ...