You could write a function which uses GDI calls to calculate the actual
width of string glyphs based on font name, etc. However, the GDI calls are
usually not 100% accurate.
Another option to consider is to "draw" the legend by using a table report
item, rather using the built-in legend of the chart. Please check this
related newsgroup posting:
http://msdn.microsoft.com/newsgroups/default.aspx?dg=microsoft.public.sqlserver.
reportingsvcs&mid=ef87e605-48af-4c87-ac3f-ad43cd5fb1fc&sloc=en-us
Also check this blog posting which includes a link to a sample report.
http://blogs.msdn.com/bwelcker/archive/2005/05/20/420349.aspx

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Robert M. Bruckner
Microsoft SQL Server Reporting Services
This posting is provided "AS IS" with no warranties, and confers no rights.
> We have very long names for our series that appear in a chart legend so
> they
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> Is this possible to configure so that the metric names will automatically
> wrap over two lines?