
Contents > Developing ColdFusion MX Applications > Reusing Code in ColdFusion Pages > Using CFX tags

Using CFX tags

ColdFusion Extension (CFX) tags are custom tags that you write in Java or C++. Generally, you create a CFX tag to do something that is not possible in CFML. CFX tags also let you use existing Java or C++ code in your ColdFusion application. Unlike CFML custom tags, CFX tags cannot have bodies or ending tags.

CFX tags can return information to the calling page in a page variable or by writing text to the calling page.

CFX tags can do the following:

Have any number of custom attributes.
Create and manipulate ColdFusion queries.
Dynamically generate HTML to be returned to the client.
Set variables within the ColdFusion page from which they are called.
Throw exceptions that result in standard ColdFusion error messages.


Contents > Developing ColdFusion MX Applications > Reusing Code in ColdFusion Pages > Using CFX tags

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