Hello, Check the end of the flex 1.5 release notes:
http://www.macromedia.com/support/documentation/en/flex/1_5/ releasenotes.html You'll see a code example for the callback function set as the sortCompareFunction of a data grid column. In this example the a and b arguments passed to the callback are used sometimes as row objects, and sometimes as string values of the cell in the column being sorted. My experimentation shows that the latter is the case, which is a pain if your sorting algorithm involves multiple columns of the datagrid. An obvious example of where you would want to do this is when someone clicks on a flight price column you might want to order by price and within price by departure time. Can anyone shed any light on this? I can feel an ugly hack coming on. Robin
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